Metal Pipe Fittings | McMaster-Carr

	Pipe Size Pipe Size

1/16
1/8
1/4
3/8
1/2
5/8
3/4
1
1 1/4
1 1/2
2
2 1/2
3
3 1/2
4
5
6
8
10
12

	Thread Type Thread Type

Chicago Fire Department

UN/UNF (SAE Straight)

	Material Material

	Type Type


Connector	Adapter

Pipe	Reducing Adapter

Bushing	Reducer

Plug	Union

Cap	Flange

Outlet	Repair Clamp

Locknut	Stub End

O-Ring	Clamp

Nut	Port

Saddle Tap	Sleeve

Trap	Tube Support

	Shape Shape


Straight	90° Elbow

Tee	Cap/Plug

Cross	45° Elbow

Wye	Manifold

Side-Outlet Elbow	Junction Block

70° Elbow	180° Bend

270° Bend	Crossover

Double 90° Elbow	Hex

Round	Z

	Connection Style Connection Style

	For Use With For Use With

Dichlorotetrafluoroethane

Silicon Tetrafluoride

Tungsten Hexafluoride

	System of Measurement System of Measurement

Inch

Metric

	Length Length

	Gender Gender

Female

Male

	Connection Type Connection Type


Pipe	Hose

Tube

	Threading Threading

Threaded on Both Ends

Fully Threaded

Threaded on One End

Unthreaded

	For Tube OD For Tube OD

	Maximum Pressure Maximum Pressure

	Schedule Schedule


10	40

80	160

XXH

	For Pipe Material For Pipe Material

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

DFARS Specialty Metals
Compliant

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

RoHS Compliant with
Exemptions

	For Pipe Schedule For Pipe Schedule

160

XXH

Any

	Specifications Met Specifications Met

	Finish Finish

Zinc-Phosphate Coated

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	Thread Size Thread Size

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32,607 Products

How to Identify and Measure Fittings

Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.

Low-Pressure Iron and Steel Threaded Pipe Fittings

Use these fittings for low-pressure applications in noncorrosive environments.

Standard-Wall Steel Threaded Pipe Nipples and Pipe

Also known as Schedule 40, this steel pipe is designed for low-pressure applications.

Standard-Wall Steel Pipe Nipples and Pipe
with Right-Hand and Left-Hand Threads

Pipe has clockwise (right-hand) threads on one end and counterclockwise (left-hand) threads on the other end. When you use a wrench to turn, connections on both ends tighten at the same time.

Standard-Wall Steel Threaded
Pipe Nipple and Pipe Assortments

Assortments contain threaded pipe in various lengths.

Low-Pressure Steel Threaded Pipe Flanges

These flanges are for low-pressure applications in noncorrosive environments.

Low-Pressure Iron Threaded Pipe Fittings
with Right-Hand and Left-Hand Threads

The threads on these fittings have clockwise (right-hand) threads on one end and counterclockwise (left-hand) threads on the other end.

FM-Approved Low-Pressure
Cast Iron Threaded Pipe Fittings

FM-Approved Low-Pressure Cast
Iron Threaded Pipe Flanges

Low-Pressure Cast Iron Threaded Pipe Fittings

Low-Pressure Galvanized Iron
and Steel Threaded Pipe Fittings

The galvanized finish on these fittings provides fair corrosion resistance. Fittings are for use in low-pressure applications.

Standard-Wall Galvanized Steel
Threaded Pipe Nipples and Pipe

Made of galvanized steel, this Schedule 40 pipe has fair corrosion resistance and is designed for low-pressure applications.

Standard-Wall Galvanized Steel Threaded
Pipe Nipple and Pipe Assortments

Assortments contain threaded pipe in various lengths.

Standard-Wall Galvanized Steel Pipe Nipples
and Pipe for Joining Dissimilar Metals

A plastic sleeve prevents destructive corrosion when connecting different metals.

Low-Pressure Galvanized Steel
Threaded Pipe Fittings with Sealant

The male threads on these fittings have a sealant applied for extra leak protection.

Low-Pressure Galvanized Steel Threaded Pipe Flanges

The galvanized finish on these Pressure Class 150 flanges provides fair corrosion resistance.

High-Pressure Iron and Steel Threaded Pipe and Pipe Fittings

High-Pressure Iron and Steel Threaded Pipe Fittings

These fittings can stand up to high-pressure applications. Use them in noncorrosive environments.

High-Pressure Steel Threaded SAE Pipe Flanges

Also known as Code 61 SAE hydraulic flanges.

High-Pressure Steel Threaded
SAE Two-Piece Pipe Flanges

Combine an adapter with a two-piece pipe flange (sold separately) to build a customized flange connection for noncorrosive environments.

High-Pressure Steel Threaded Pipe Flanges

Also known as Pressure Class 1500 steel flanges, these have the strength to handle high pressures.

Extra-Thick-Wall Steel Threaded Pipe Nipples and Pipe

Typically used with high-pressure iron and steel threaded pipe fittings. Also known as Schedule 160.

High-Pressure Galvanized Steel Threaded Pipe Fittings

A galvanized finish gives these fittings better corrosion resistance than our plain steel high-pressure fittings. Also known as Pressure Class 3000 fittings.

Extra-Thick-Wall Galvanized Steel
Threaded Pipe Nipples and Pipe

Typically used with high-pressure galvanized iron and steel threaded pipe fittings. Also known as Schedule 160.

Medium-Pressure Iron and Steel Threaded Pipe and Pipe Fittings

Medium-Pressure Iron and Steel Threaded Pipe Fittings

For use in noncorrosive environments, these fittings have better strength than our low-pressure iron and steel pipe fittings.

Thick-Wall Steel Threaded Pipe Nipples and Pipe

Typically used with medium-pressure iron and steel threaded pipe fittings. Also known as Schedule 80.

Medium-Pressure Steel Threaded Pipe Flanges

With better strength than our low-pressure steel flanges, these are for use in medium-pressure applications.

Thick-Wall Galvanized Iron and Steel
Threaded Pipe Nipples and Pipe

Typically used with medium-pressure galvanized iron and steel threaded pipe fittings. Also known as Schedule 80.

Medium-Pressure Galvanized Iron
and Steel Threaded Pipe Fittings

A galvanized finish gives these fittings fair corrosion resistance. They have the strength to handle medium-pressure applications.

Medium-Pressure Galvanized
Steel Threaded Pipe Flanges

Also known as Pressure Class 300 flanges, these medium-pressure flanges have a galvanized finish for fair corrosion resistance.

Medium-Pressure Pipe Fittings
for Joining Dissimilar Metals

Use these unions to connect different metals in a piping or plumbing system. They have a gasket with a plastic sleeve that inhibits destructive corrosion.

Extreme-Pressure Steel Threaded Pipe and Pipe Fittings

Compact Extreme-Pressure
Steel Threaded Pipe Fittings

These fittings are strong enough to handle extreme pressures, yet small enough to fit into cramped spaces.

Compact Precision Extreme-Pressure
Steel Threaded Pipe Fittings

Made to tighter tolerances than other steel pipe fittings, these are also known as instrumentation fittings.

Extreme-Pressure Steel Threaded Pipe Fittings

The strongest steel fittings we offer, these can withstand extreme-pressure applications.

Super-Thick-Wall Steel Threaded Pipe Nipples and Pipe

Typically used with extreme-pressure iron and steel threaded pipe fittings. Also known as Schedule XXH.

Iron and Steel Unthreaded Pipe and Pipe Fittings

Standard-Wall Butt-Weld Steel Unthreaded Pipe Fittings

Butt-weld fittings allow for a smooth, flush connection that provides maximum flow.

Low-Pressure Steel Unthreaded Pipe Flanges

Bolt two flanges of the same size together with a gasket to create an access point in a pipe line.

Standard-Wall Steel Unthreaded Pipe Nipples and Pipe

Typically used with standard-wall and low-pressure iron and steel unthreaded pipe fittings. Also known as Schedule 40.

Low-Pressure Press-Connect
Steel Unthreaded Pipe Fittings

Crimp these fittings onto steel pipe to form a tightly sealed connection that’s faster than threading or welding and doesn’t require heat.

Thick-Wall Butt-Weld Steel Unthreaded Pipe Fittings

Butt-weld fittings allow for a smooth, flush connection that provides maximum flow.

High-Pressure Socket-Connect
Steel Unthreaded Pipe Fittings

Socket-connect fittings are easier to weld than butt-weld fittings because the fitting doesn't need to align perfectly to the pipe. Slide the pipe into the socket and weld.

High-Pressure Steel Unthreaded Pipe Flanges

Forged for extra strength, these heavy duty unthreaded flanges can withstand high-pressure applications.

High-Pressure Steel Unthreaded SAE Pipe Flanges

Also known as Code 61 SAE hydraulic flanges.

Thick-Wall Steel Unthreaded Pipe

Typically used with thick-wall and high-pressure iron and steel unthreaded pipe fittings. Also known as Schedule 80.

Extreme-Pressure Socket-Connect
Steel Unthreaded Pipe Fittings

Also known as Pressure Class 6000 fittings, these heavy duty forged fittings are the strongest steel fittings we offer.

Extra-Thick-Wall Steel Unthreaded Pipe

Typically used with extreme-pressure iron and steel unthreaded pipe fittings. Pipe is also known as Schedule XXH .

Extreme-Pressure Steel Unthreaded Pipe Flanges

For excellent strength in extreme-pressure applications, choose these heavy duty Pressure Class 1500 flanges.

Iron and Steel Clamp-On Pipe and Pipe Fittings

Drain, Waste, and Vent Iron Pipe Fittings

Also known as no-hub pipe fittings and soil pipe fittings, these fittings are for use in gravity-flow applications both above and below ground.

Grooved-End Iron Pipe Fittings

The grooved ends on these iron fittings connect to pipe with a clamp to easily install piping systems.

Standard-Wall Grooved-End
Steel Pipe Nipples and Pipe

This steel pipe has grooved ends that connect to fittings with a clamp (sold separately) for an easy way to install piping systems.

Drain, Waste, and Vent Iron Pipe

Use this pipe in gravity-flow applications both above and below ground.

Iron and Steel Pipe Fittings with Flanged Ends

Bolt the flanged end of these fittings to another same-size flange, pump, or valve with a gasket to create an access point in a pipe line.

Stainless Steel Threaded Pipe and Pipe Fittings

Low-Pressure Stainless Steel Threaded Pipe Fittings

Use these corrosion-resistant fittings in a low-pressure pipe line.

Standard-Wall Stainless Steel
Threaded Pipe Nipples and Pipe

Typically used with low-pressure stainless steel threaded pipe fittings.

Premium Low-Pressure Stainless Steel
Threaded Pipe Fittings with Certification

Unlike other stainless steel fittings, these are made in the U.S.A. for superior quality. As another marker of quality, they come with a certificate with a traceable lot number and test report that guarantees material composition.

Low-Pressure Stainless Steel Threaded Pipe Flanges

Also known as Pressure Class 150 flanges, these corrosion-resistant flanges are designed for low-pressure pipe applications.

Low-Pressure Stainless Steel
Threaded Pipe Fittings with Sealant

The male threads on these fittings have a sealant applied for extra leak protection.

Standard-Wall Stainless Steel Threaded
Pipe Nipples and Pipe with Sealant

Typically used with low-pressure stainless steel threaded pipe fittings.

High-Pressure Stainless Steel Threaded Pipe Fittings

Use these heavy duty, corrosion-resistant fittings in high-pressure flow applications.

Thick-Wall Stainless Steel
Threaded Pipe Nipples and Pipe

Typically used with medium- to high-pressure stainless steel threaded pipe fittings.

High-Pressure Stainless Steel Threaded Pipe Flanges

Also known as ANSI flanges.

High-Pressure Stainless Steel
Threaded SAE Pipe Flanges

Also known as Code 61 SAE hydraulic flanges.

High-Pressure Stainless Steel
Threaded SAE Two-Piece Pipe Flanges

Also known as Code 61 SAE hydraulic flanges, these let you create an access point in a high-pressure hydraulic line.

Precision Extreme-Pressure Stainless
Steel Threaded Pipe Fittings

These fittings are made to tighter tolerances than other stainless steel pipe fittings. They are also known as instrumentation fittings.

Extreme-Pressure Stainless
Steel Threaded Pipe Fittings

Use these fittings in extreme-pressure conditions up to 15,000 psi.

Medium-Pressure Stainless
Steel Threaded Pipe Fittings

Choose these fittings when you want the same high-quality found in our low-pressure pipe fittings, but need more strength to handle higher pressures.

Miniature Medium-Pressure Stainless
Steel Threaded Pipe Fittings

When space is at a premium choose these compact fittings.

Stainless Steel Unthreaded Pipe and Pipe Fittings

Standard-Wall Butt-Weld Stainless
Steel Unthreaded Pipe Fittings

Butt-weld fittings allow for a smooth, flush connection that provides maximum flow.

Standard-Wall Stainless Steel
Unthreaded Pipe Nipples and Pipe

Typically used with standard-wall and low-pressure stainless steel unthreaded pipe fittings.

Low-Pressure Stainless Steel Unthreaded Pipe Flanges

Bolt two same-size flanges together with a gasket to create an access point within a pipe line.

Low-Pressure Socket-Connect Stainless
Steel Unthreaded Pipe Fittings

Socket-connect fittings are easier to weld than butt-weld fittings because the fitting doesn't need to align perfectly to the pipe. Slip the pipe into the socket and weld.

Low-Pressure Press-Connect Stainless
Steel Unthreaded Pipe Fittings

Press these fittings onto stainless steel pipe using a crimping tool for a permanent, leak-tight connection that's faster than threading or welding and doesn't require heat.

Thin-Wall Butt-Weld Stainless
Steel Unthreaded Pipe Fittings

Also known as Schedule 10 fittings, these are thin, lightweight, and corrosion resistant.

Thin-Wall Stainless Steel Unthreaded Pipe

Typically used with thin-wall stainless steel unthreaded pipe fittings.

High-Pressure Socket-Connect
Stainless Steel Unthreaded Pipe Fittings

Socket-connect fittings are easier to weld than butt-weld fittings because the fitting doesn't need to align perfectly to the pipe. Slip the pipe into the socket and weld.

Thick-Wall Stainless Steel Unthreaded Pipe

Typically used with thick-wall and high-pressure stainless steel unthreaded pipe fittings.

Thick-Wall Butt-Weld Stainless
Steel Unthreaded Pipe Fittings

Butt-weld fittings allow for a smooth, flush connection that provides maximum flow.

High-Pressure Stainless Steel
Unthreaded SAE Pipe Flanges

Also known as Code 61 SAE hydraulic flanges.

High-Pressure Stainless Steel Unthreaded Pipe Flanges

Use these heavy duty forged flanges for high-pressure applications.

Extra-Thick-Wall Stainless Steel Unthreaded Pipe

Typically used with extreme-pressure stainless steel unthreaded pipe fittings.

Extreme-Pressure Socket-Connect
Stainless Steel Unthreaded Pipe Fittings

The strongest socket-connect fittings we offer, these heavy duty forged fittings are also known as Pressure Class 6000.

Brass and Bronze Threaded Pipe and Pipe Fittings

High-Pressure Brass Threaded Pipe Fittings

These brass fittings have the strength to handle high-pressure applications.

High-Pressure Brass Threaded Pipe Nipples and Pipe

Typically used with high-pressure brass and bronze threaded pipe fittings.

High-Pressure Brass Threaded
Pipe Fittings with Sealant

Not only do these brass fittings have the strength to handle high-pressure applications, the male threads have a sealant applied for extra protection against leaks.

High-Pressure Brass Threaded
Pipe Nipples and Pipe with Sealant

Typically used with high-pressure brass and bronze threaded pipe fittings.

High-Pressure Brass Threaded
Pipe Fittings for Drinking Water

Use these heavy-duty brass fittings for high-pressure drinking water applications.

High-Pressure Brass Threaded Pipe
Nipples and Pipe for Drinking Water

Typically used with high-pressure brass and bronze threaded pipe fittings.

High-Pressure Plated Brass Threaded Pipe Fittings

The plating on these brass fittings creates a shiny finish and provides extra protection in corrosive environments. Fittings have the strength to handle high-pressure applications.

High-Pressure Plated Brass
Threaded Pipe Nipples and Pipe

Typically used with high-pressure brass and bronze threaded pipe fittings.

Easy-Install High-Pressure Brass Threaded Pipe Fittings

Install and remove these high-pressure brass fittings with a socket wrench or hex key (sold separately).

Miniature High-Pressure Brass Threaded Pipe Fittings

When space in your pipe line is limited, choose these miniature fittings that are one inch or less in length.

Low-Pressure Brass and Bronze Threaded Pipe Fittings

Use these fittings in low-pressure flow applications. They have good corrosion resistance.

Standard-Wall Brass Threaded Pipe Nipples and Pipe

Typically used with low-pressure brass and bronze threaded pipe fittings.

Low-Pressure Brass and
Bronze Threaded Pipe Flanges

Also known as Pressure Class 150 flanges, these brass flanges are designed for low-pressure applications.

Low-Pressure Brass Threaded
Pipe Fittings with Sealant

The male threads on these brass fittings have a sealant applied for extra protection against leaks. Also known as Pressure Class 125 fittings, they are built for use in low-pressure applications.

Standard-Wall Brass Threaded
Pipe Nipples and Pipe with Sealant

Typically used with low-pressure brass and bronze threaded pipe fittings.

Miniature Low-Pressure Brass Threaded Pipe Fittings

Less than an inch in length, these miniature fittings work well in low-pressure pipe lines that are tight on space.

Low-Pressure Plated Brass Threaded Pipe Fittings

Used in low-pressure pipe lines, these brass fittings have a plating that makes them shiny and improves corrosion resistance.

Standard-Wall Chrome-Plated Brass
Threaded Pipe Nipples and Pipe

Typically used with low-pressure brass and bronze threaded pipe fittings.

Extreme-Pressure Brass Threaded Pipe Fittings

Extreme pressures are no problem for these heavy-duty brass fittings.

Precision Extreme-Pressure
Brass Threaded Pipe Fittings

Also known as instrumentation fittings, these have the most precise threads and the tightest tolerances of all the brass pipe fittings we offer.

Precision Extreme-Pressure Brass
Threaded Pipe Nipples and Pipe

Typically used with precision extreme-pressure brass and bronze threaded pipe fittings.

Medium-Pressure Plated Brass Threaded Pipe Fittings

Plated with nickel, these brass fittings resist rust better than steel and unfinished brass fittings. Select them when you need more strength in corrosive environments to handle higher pressures than our low-pressure fittings.

Medium-Pressure Brass and
Bronze Threaded Pipe Fittings

Choose these fittings when you need better strength than our low-pressure brass and bronze pipe fittings.

Thick-Wall Brass Threaded Pipe Nipples and Pipe

Typically used with medium-pressure brass and bronze threaded pipe fittings.

Brass and Bronze Unthreaded Pipe and Pipe Fittings

Brass and Bronze Unthreaded Pipe Flanges

Bolt these flanges to another same-size flange with a gasket to create an access point within a pipe line. They are also known as Silbraze flanges.

Bronze Unthreaded Pipe Fittings

Also known as Silbraze fittings.

Standard-Wall Brass Unthreaded Pipe

Typically used with brass and bronze unthreaded pipe fittings.

Aluminum Pipe and Pipe Fittings

Standard-Wall Aluminum
Threaded Pipe Nipples and Pipe

Typically used with low-pressure aluminum threaded pipe fittings.

Low-Pressure Aluminum Threaded Pipe Fittings

In addition to being lightweight, these aluminum fittings offer good corrosion resistance. Use them in low-pressure flow applications.

Low-Pressure Aluminum Threaded Pipe Flanges

Also known as Pressure Class 125 flanges, these are for use in low-pressure applications. Flanges are aluminum, which is lightweight with good corrosion resistance.

Miniature Medium-Pressure
Aluminum Threaded Pipe Fittings

Their small size makes these miniature fittings a good choice for cramped, confined spaces.

Medium-Pressure Aluminum Threaded Pipe Fittings

Designed for medium-pressure applications, these fittings have better strength than our low-pressure aluminum pipe fittings.

High-Pressure Aluminum Threaded Pipe Fittings

Also known as Pressure Class 3000 fittings, these have the highest pressure rating of all the aluminum pipe fittings we offer.

Thick-Wall Aluminum Threaded Pipe Nipples and Pipe

Typically used with high-pressure aluminum threaded pipe fittings.

Aluminum Unthreaded Pipe Flanges

Use these unthreaded flanges in low-pressure applications. Also known as Pressure Class 125 flanges.

Standard-Wall Butt-Weld Aluminum
Unthreaded Pipe Fittings

Also known as Schedule 40 fittings, these have thicker walls than our thin-wall aluminum unthreaded pipe fittings.

Standard-Wall Aluminum
Unthreaded Pipe Nipples and Pipe

Typically used with standard-wall aluminum unthreaded pipe fittings.

Thin-Wall Socket-Connect
Aluminum Unthreaded Pipe Fittings

Socket-connect fittings are easier to weld than butt-weld fittings because the fitting doesn't need to align perfectly to the pipe. Slip the pipe into the socket and weld.

Thin-Wall Butt-Weld Aluminum Unthreaded Pipe Fittings

Butt-weld fittings allow for a smooth, flush connection that provides maximum flow.

Thin-Wall Aluminum Unthreaded Pipe

Typically used with thin-wall aluminum unthreaded pipe fittings.

Thick-Wall Butt-Weld Aluminum
Unthreaded Pipe Fittings

Thick walls give these Schedule 80 fittings excellent strength.

Thick-Wall Aluminum Unthreaded Pipe

Typically used with thick-wall aluminum unthreaded pipe fittings.

Copper-Nickel Pipe and Pipe Fittings

Copper-Nickel Unthreaded Pipe

Also known as Pressure Class 200 pipe.

Copper-Nickel Butt-Weld Pipe Fittings

Also known as Pressure Class 200 fittings.

Copper-Nickel Threaded Pipe Fittings

These fittings have excellent resistance to stress cracking and have better corrosion resistance than most stainless steel alloys.

Standard-Wall Copper-Nickel
Threaded Pipe Nipples and Pipe

Also called close nipples, these Schedule 40 nipples are threaded on both ends to the center.

Titanium Threaded Pipe Fittings

Titanium has similar strength to steel, but is approximately 40% lighter. It has better corrosion resistance than most stainless steel alloys and can handle corrosive substances, such as salt water and acids.

Pipe Repair Clamps

Low-Pressure Pipe Repair Clamps for Air

Also known as patch clamps.

Low-Pressure Pipe Repair Clamps for Water

Low-Pressure Pipe Repair Clamps for Natural Gas

Low-Pressure Pipe Repair Clamps for Steam

Also known as patch clamps.

Low-Pressure Pipe Repair Clamps for Drinking Water

Medium-Pressure Pipe Repair Clamps

Use in medium-pressure applications up to 600 psi.

High-Pressure Pipe Repair Clamps

Use in high-pressure applications up to 1,000 psi.

Manifolds

Right-Angle Flow Rectangular Manifolds

Distribute air or fluid to multiple locations from a single supply source with these manifolds. They are also known as headers.

Dual-Section Right-Angle Flow Rectangular Manifolds

These manifolds have two separate sections inside, so you can run two different substances through them without worrying about them intermixing. Also known as headers.

Cleaned-and-Bagged Right-Angle
Flow Rectangular Manifolds

Designed for ultra-clean environments, these manifolds are cleaned, dried, and vacuum sealed in plastic to prevent dirt and moisture from contaminating the inside. Use them to distribute air or fluid to multiple locations from a single supply source. Also known as headers.

Straight-Flow Rectangular Manifolds

Unlike other manifolds, which have an inlet on either end, these have one inlet on the opposite side from the outlets. This design allows air or fluid to follow a straight path, improving flow through your system. Also known as headers.

Miniature Hex Manifolds

A great solution when space is at a premium, these manifolds are less than an inch in height, yet allow you to supply up to 12 lines from one distribution point.

Low-Profile Hex Manifolds

When you’re short on vertical space, these manifolds are a good fit—they have outlets on the side instead of on top, so they have a lower profile than rectangular manifolds. Use them to distribute air or fluid to five locations from a single supply source.

Color-Coded Irregular Hex Manifolds

Use these manifolds with molding equipment to circulate hot and cold water through your line. They have a red side for hot water and a blue side for cold water.

Low-Profile Square Manifolds

With outlets on the side instead of on top, these manifolds have a lower profile than rectangular manifolds and fit well in cramped spaces. Use them to distribute air or fluid to three locations from a single supply source.

Round Manifolds for Hose Lines

Mount these manifolds on the end of a hose line to distribute air, water, or hydraulic fluid to three locations from a single supply source.

Clamp-On Connectors

Medium-Pressure Clamp-On Connectors

Use in medium-pressure applications up to 230 psi.

Low-Pressure Clamp-On Connectors for Air

These connectors are for use in low-pressure air and vacuum conveying systems, as well as in gravity-flow systems.

Low-Pressure Quick-Lock Clamp-On Connectors for Air

A turn of the T-handle will tighten and loosen these connectors, so you can quickly disassemble and reassemble your lines without tools.

High-Pressure Clamp-On Connectors

Use in high-pressure applications up to 500 psi.

Low-Pressure Clamp-On Connectors for Water

Also known as no-hub couplings, these have a one-piece sleeve with a stop in the center, so you know your pipe is always aligned correctly.

Junction Blocks

Straight-Flow Junction Blocks

Use these junction blocks to organize and separate multiple lines in your system. They have threaded holes that allow air or fluid to flow straight through the block.

Right-Angle Flow Junction Blocks

These junction blocks have threaded holes that allow air or fluid to flow at a 90° angle through the block. Use them to organize and separate multiple lines in your system.

Plastic Pipe and Pipe Fittings

Standard-Wall Plastic Pipe Fittings for Water

Connect these fittings to Schedule 40 plastic pipe—they are the industry standard for residential and commercial low-pressure plumbing and water supply applications. They are plastic for good corrosion resistance.

Clamps for Easy-Access UV-Resistant
Polypropylene Pipe Fittings for Chemicals

Use these clamps to connect easy-access UV-resistant polypropylene pipe fittings to pipe. The clamp-together design allows you to access your line for routine maintenance.

Clamps for Easy-Access CPVC
Pipe Fittings for Chemicals

Use these clamps to connect easy-access CPVC pipe fittings and pipe.

Hose Fittings for Air and Water

Metal Barbed Hose Fittings for Air and Water

Metal hose fittings have better durability than plastic barbed hose fittings.

Easy-Fit Barbed Hose Fittings for Air and Water

Low-profile barbs and a longer first barb allow for a smoother, easier installation than other barbed fittings. Slide the barbed end into hose and secure with a clamp.

Metal Push-On Barbed Hose Fittings for Air and Water

Fittings are metal for better durability than plastic barbed hose fittings. They have sharper barbs than standard barbed hose fittings to grip push-on hose without the need for clamps or ferrules. The more you pull on the fittings, the tighter the hose will grip.

Tight-Seal Barbed Hose Fittings for Air and Water

Also known as ball-seat hose nipples, these fittings consist of a barbed shaft with a rounded end that sits inside a female threaded nut. When mated with a male threaded fitting, the rounded end presses tightly against the inside of the male threads for a better seal than a single-piece fitting. Once assembled, insert the barbed end into hose and secure with a clamp or a crimp-on hose ferrule.

Screw-On Hose Fittings for Air and Water

The female connector screws directly onto the hose without the need for a separate adapter. When assembled, the fitting compresses against the hose, forming a strong seal. Also known as reusable fittings, they can be unscrewed from the hose end and used on a new hose.

Threaded Swivel Hose Fittings for Air

Connect these fittings to air tools for pneumatic applications.

Threaded Swivel Hose Fittings for Water

Use these fittings with power washer guns and in other high-pressure water supply applications.

Quick-Disconnect Hose Couplings for Air and Water

Industrial Quick-Disconnect Hose Couplings for Air

The industry standard for quick-disconnect couplings, these are also known as industrial interchange couplings. Compatible with Industrial-shape plugs and sockets.

Industrial Quick-Disconnect Hose
Coupling Size-Identification Kits

Kits contain Industrial quick-disconnect plugs in four coupling sizes so you can determine the size of your couplings without needing to measure.

Ring-Lock Quick-Disconnect Hose Couplings for Air

Compatible with Ring-Lock-shape plugs and sockets.

Schrader Quick-Disconnect Hose Couplings for Air

Compatible with Schrader-shape plugs and sockets.

Tru-Flate Quick-Disconnect Hose Couplings for Air

Also known as automotive couplings. Compatible with Tru-Flate-shape plugs and sockets.

Lincoln Quick-Disconnect Hose Couplings for Air

Compatible with Lincoln-shape plugs and sockets.

Color/Shape-Match Quick-Disconnect
Hose Couplings for Air and Water

Plugs and sockets are color coded by shape so you can't mix hose lines. Only plugs and sockets of the same color will fit together.

Japanese Quick-Disconnect Hose Couplings for Air

Compatible with Japanese-shape plugs and sockets.

ARO Quick-Disconnect Hose Couplings for Air

Compatible with ARO-shape plugs and sockets.

Open-Flow Quick-Disconnect
Hose Couplings for Air and Water

Couplings allow for maximum flow because there's no shut-off valve in the plug or the socket. Compatible with Open-Flow-shape plugs and sockets.

Universal Quick-Disconnect Hose Sockets for Air

Sockets accommodate five common plug shapes: Industrial, ARO, Lincoln, Tru-Flate, and European.

Compact Quick-Disconnect Hose Couplings for Air

A slim body allows these couplings to fit into tight spaces. Compatible with Compact-shape plugs and sockets.

European Quick-Disconnect Hose Couplings for Air

With an unobstructed air path, these couplings have better airflow than other coupling shapes of the same size. Compatible with European-shape plugs and sockets.

Cam-and-Groove Hose Couplings for Water

Metal Cam-and-Groove Hose Couplings for Water

Metal cam-and-groove couplings have better durability than plastic cam-and-groove couplings.

Metal Cam-and-Groove Hose
Couplings with Shut-Off Valve for Water

Also known as dry disconnects and double shut-off couplings, these have a shut-off valve in the plug and socket for minimal fluid loss when disconnecting the hose line.

Claw Hose Couplings for Air and Water

Spring-Lock Twist-Claw Hose
Couplings for Air and Water

Couplings have a spring-loaded locking sleeve that automatically locks into place to prevent accidental disconnection. The identical claw-style head connects to another spring-lock twist-claw hose coupling with a quarter twist.

Twist-Claw Hose Couplings for Air and Water

Couplings have an identical claw-style head that connects to another twist-claw hose coupling with a quarter twist.

Large Twist-Claw Hose Couplings for Air and Water

Couplings are only compatible with other large twist-claw hose couplings. Use with tools and equipment up to 1 1/2 pipe size.

Grip-Lock Hose Couplings for Air

These couplings have a lower profile than other claw-style couplings to fit in cramped spaces. They consist of a plug and a socket that connect with a quarter twist. Also known as Bowes couplings.

Extra-Large Twist-Claw Hose
Couplings for Air and Water

Couplings are only compatible with other extra-large twist-claw hose couplings. Use with tools and equipment up to 2 pipe size.

Double Grip-Lock Hose Couplings for Air and Water

Also known as Thor couplings, these have two locking points to give you twice the gripping power of standard grip-lock couplings. They consist of a plug and a socket that connect with a quarter twist.

Fire-Fighting Hose Fittings

Rocker-Lug Fire Hydrant Caps and Plugs

Thread these caps and plugs onto fire hydrants and washdown equipment to close off the line. They have rocker lugs for easy gripping.

Pin-Lug Fire Hydrant Caps

These caps are the fastest way to close off or access your water line. They have a bracket that snaps into any type of 2 1/2 size female fire hose threads. Tap on one of the pin lugs to remove quickly in an emergency.

Rocker-Lug Fire-Fighting Hose Fittings

The rocker lugs on these fittings allow for easy gripping, so you can quickly connect to fire hydrants and washdown equipment.

Pin-Lug Fire-Fighting Hose Fittings

The pin lugs on these fittings allow for easy gripping, so you can quickly connect to fire hydrants and washdown equipment.

Fire-Fighting Hose Fittings

Connect these fittings to fire hydrants and washdown equipment.

Hydraulic Hose Fittings

Snap-Tite H-Shape Quick-Disconnect
Hose Couplings for Hydraulic Fluid

Use these couplings at pressures up to 6,500 psi. They consist of a plug and socket that connect and disconnect quickly. Use them if you need frequent access to a line. They are compatible with Snap-Tite H-Shape plugs and sockets.

International Standard ISO B Quick-Disconnect
Hose Couplings for Hydraulic Fluid

Use these couplings at pressures up to 5,000 psi. They consist of a plug and socket that connect and disconnect quickly. Use them if you need frequent access to a line. They are compatible with International Standard ISO B-shape plugs and sockets.

International Standard ISO A Quick-Disconnect
Hose Couplings for Hydraulic Fluid

High-Pressure Minimal-Spill Quick-Disconnect
Hose Couplings for Hydraulic Fluid

Use these couplings at pressures up to 10,000 psi. Also known as flush-face couplings, the plugs and sockets have a flat face, which allows them to mate close together, reducing fluid loss when connecting and disconnecting the line. They are compatible with High-Pressure Minimal-Spill-shape plugs and sockets.

High-Pressure Thread-Lock Quick-Disconnect
Hose Couplings for Hydraulic Fluid

Use these couplings at pressures up to 10,000 psi. The plug and socket thread together to form a stronger connection than other quick-disconnect couplings. They are compatible with High-Pressure Thread-Lock-shape plugs and sockets.

International Standard ISO Minimal-Spill
Quick-Disconnect Hose Couplings for Hydraulic Fluid

Use these couplings at pressures up to 7,200 psi. Also known as flush-face couplings, the plugs and sockets have a flat face, which allows them to mate close together, reducing fluid loss when connecting and disconnecting the line. They are compatible with International Standard ISO Minimal-Spill-shape plugs and sockets.

Pioneer Quick-Disconnect Hose
Couplings for Hydraulic Fluid

Use these couplings at pressures up to 3,000 psi. They consist of a plug and socket that connect and disconnect quickly. Use them if you need frequent access to a line. They are compatible with Pioneer-shape plugs and sockets.

Threaded Hose Fittings for Hydraulic Fluid

Fittings are threaded on both ends so you can connect them directly to a threaded hose or to pumps, cylinders, and other equipment in your hydraulic system. Use in high-pressure applications up to 6,000 psi

Continuous-Swivel Threaded
Hose Fittings for Hydraulic Fluid

Also known as live swivels, these fittings swivel continuously 360° before and after installation. This not only makes installation easier, but also eliminates the twisting and kinking that can cause hose failure. Fittings are threaded on both ends so you can connect them directly to a threaded hose or to pumps, cylinders, and other equipment in your hydraulic system. Use in high-pressure applications up to 5,000 psi.

Screw-On Hose Fittings for Hydraulic Fluid

These two-piece fittings screw directly onto the hose without the need for a separate adapter. When assembled, the fitting compresses against the hose, forming a strong seal. Also known as reusable fittings, they can be unscrewed from the hose end and used on a new hose. Use in high-pressure hydraulic applications up to 5,800 psi.

Push-On Barbed Hose Fittings for Hydraulic Fluid

Fittings have sharp barbs that grip push-on hose with no clamps or ferrules required. The more you pull on the fittings, the tighter the hose will grip. Use in low-pressure hydraulic applications up to 350 psi.

Chemical and Petroleum Hose Fittings

Metal Barbed Hose Fittings
for Chemicals and Petroleum

These metal hose fittings have better durability than plastic barbed hose fittings. They are 316 stainless steel for excellent corrosion and chemical resistance. Slide the barbed end into hose and secure with a clamp.

Easy-Fit Barbed Hose Fittings for Chemicals

Low-profile barbs and a longer first barb allow for a smoother, easier installation than other barbed fittings. Slide the barbed end into hose and secure with a clamp.

Metal Cam-and-Groove Hose
Couplings for Chemicals and Petroleum

Couplings are metal, which has better durability than plastic cam-and-groove hose couplings. They consist of a plug and a socket that connect and disconnect quickly. Use them if you need frequent access to a line. To connect, insert the plug into the socket and push the levers down.

Metal Cam-and-Groove Hose Couplings with
Shut-Off Valve for Chemicals and Petroleum

Couplings are metal, which has better durability than plastic cam-and-groove hose couplings. Also known as dry disconnects and double shut-off couplings, they have a shut-off valve in the plug and the socket for minimal fluid loss when disconnecting your hose line.

International Standard ISO Minimal-Spill
Quick-Disconnect Hose Couplings for Chemicals

To minimize fluid loss when connecting and disconnecting your line, these couplings have flat faces for a close fit and shut-off valves to stop the flow—they meet ISO 16028, which is an international standard for hose couplings.

Compressed Gas Hose Fittings

Threaded Hose Fittings for Compressed Gas

Use these CGA fittings to connect welding hose to pressure regulators and torches.

Threaded Hose-to-Propane-Tank
Adapters for Compressed Gas

These CGA adapters have a male threaded end that connects to a propane tank and a male threaded end that connects to welding hose.

Barbed Hose Fittings for Compressed Gas

Commonly used in low-pressure welding applications, these fittings connect downstream of your pressure regulator. Slide the barbed end into hose and secure with a crimp-on hose ferrule.

Threaded Hose-to-Propane-Torch
Adapters for Compressed Gas

These CGA adapters allow you to connect a hose to a propane torch.

Hose Crimping Tool and Fitting
Sets for Compressed Gas

Sets contain a crimping tool and a variety of CGA fittings, nuts, and ferrules so you can connect pressure regulators, torches, and other components of your welding system.

Nuts for High-Pressure Nipples for Compressed Gas

These nuts attach to high-pressure nipples for compressed gas so you can connect your tank to the inlet of a pressure regulator.

High-Pressure Threaded Fittings for Compressed Gas

Designed to handle high-pressure welding applications, these CGA fittings are commonly used to connect pressure regulators to compressed gas tanks or cylinders.

High-Pressure Nipples for Compressed Gas

Commonly used in high-pressure welding applications, these nipples connect your tank to the inlet of a pressure regulator. One side has a threaded pipe end and the other side has a rounded end that sits inside a threaded nut to make a threaded connection.

Coolant Hose Fittings

Beaded Hose Fittings for Coolant

A single rounded bead grips onto hose just like a barb, but has no sharp edges that could cut or damage soft hose. Slide the beaded end into hose and secure with a clamp. Use in coolant applications up to 300 psi.

Quick-Disconnect Hose Couplings for Coolant

Couplings consist of a plug and a socket that connect and disconnect quickly. Use them if you need frequent access to a line. They are designed for coolant applications up to 200 psi. Also known as coolant-line mold couplings.

Steam Hose Fittings

Quick-Disconnect Hose Couplings for Steam

Couplings consist of a plug and a socket that connect quickly. Use them if you need frequent access to a line. They are designed for low-pressure steam applications up to 300 psi.

Barbed Hose Fittings for Steam

Use these barbed fittings in low-pressure steam applications up to 150 psi. Slide the barbed end into hose and secure with a clamp.

Interlocking Clamps for Hose Fittings for Steam

Use with interlocking-clamp hose fittings to replace a damaged clamp. They consist of two halves held together by nuts and bolts.

Interlocking-Clamp Hose Fittings for Steam

Also known as ground-joint couplings and boss couplings, these fittings are designed for high-pressure steam applications up to 600 psi. Insert the barbed end of the fitting into hose, then position the interlocking clamp over the hose and bolt into place. The clamp firmly grips your hose as it locks into the ring of the barbed end, creating a leak-tight seal.

Garden Hose Fittings

Quick-Disconnect Garden Hose Couplings

Couplings consist of a plug and a socket that connect more quickly than threaded garden hose couplings. To connect, push the plug into the socket. The compact design makes these couplings sleeker and easier to handle than cam-and-groove garden hose couplings.

Metal Garden Hose Fittings

Attach these fittings to garden hose for a variety of water supply applications. They are metal for better durability than plastic garden hose fittings.

Metal Garden Hose Fittings for Drinking Water

Fittings meet NSF/ANSI Standard 61 for drinking water. Attach them to garden hose for a variety of water supply applications. They are metal for better durability than plastic garden hose fittings.

Threaded Garden Hose Couplings

These two-piece couplings thread together to create an access point within a garden hose line. The threaded design allows for a more secure hold at the point of connection than quick-disconnect and cam-and-groove garden hose couplings.

Lubrication Hose Fittings

Use these two-piece fittings in grease and lubrication lines. They screw directly onto hose without the need for a separate adapter. When assembled, the fitting compresses against the hose, forming a strong seal. Also known as reusable fittings, they can be unscrewed from the hose end and used on a new hose.

Natural and LP Gas Hose Fittings

Use these couplings when you need frequent access to a gas line. A complete coupling consists of a plug and a socket that connect and disconnect quickly.

Dust Caps and Plugs for Natural
and LP Gas Hose Fittings

To keep contaminants out of your gas line, add these dust caps and plugs to natural and LP gas couplings when they’re not connected. All work with couplings that are rated ANSI Z21.41/CSA 6.9 for use with gas fuel appliances.

Drinking Water Hose Fittings

Fittings meet NSF/ANSI Standard 61 for drinking (potable) water.

Couplers for High-Pressure Fill Valves

Abrasive-Material Hose Fittings

Use these fittings with sand, steel shot, and other abrasive material. They have a unique claw-style head that connects to other abrasive-material hose fittings with a quarter twist.

Swivels for Hose Nozzles

Threaded Swivels for Hose Nozzles

Connect these swivels to the threaded end of your dispensing hose. They rotate before and after installation as needed to prevent hose from twisting, kinking, and wearing prematurely.

Barbed Swivels for Hose Nozzles

Slide the barbed end of these swivels into your dispensing hose and connect with a clamp. They rotate before and after installation as needed to prevent hose from twisting, kinking, and wearing prematurely.

Tube Fittings for Copper and Brass Tubing

Solder-Connect Fittings for Copper Tubing

Solder these fittings to tubing for a permanent, leak-tight connection. They are also known as sweat fittings.

Cleaned and Bagged Solder-Connect
Fittings for Copper Tubing

When cleanliness is crucial to your application, choose these fittings that are individually cleaned and bagged to prevent contamination.

Yor-Lok Fittings for Copper Tubing

Press-Connect Fittings for Copper Tubing

Crimp these fittings to copper tubing with a crimping tool for a leak-tight connection that doesn’t require heat or soldering. They are comparable to Viega ProPress fittings.

Quick-Assembly Compression
Fittings for Copper Tubing

These fittings include a nut with a built-in sleeve, so there’s no need to remove the nut for assembly.

Nickel-Plated Brass Compression
Fittings for Copper Tubing

With a nickel-plated finish, these compression fittings resist corrosion better than plain brass fittings.

Precision Compression Fittings for Copper Tubing

Also known as instrumentation fittings, these are made to tighter tolerances than standard compression fittings. They are compatible with Parker CPI fittings.

Vibration-Resistant Compression
Fittings for Copper Tubing

The sleeve in these fittings is rubber instead of metal, so it cushions the tubing and absorbs vibration while creating a tight seal.

Compression Fittings for Copper Tubing

Supported 45° Flared Fittings
for Copper and Brass Tubing

The flared end of the fitting nests inside the fitting body, providing extra support to the tubing. Fittings are also known as inverted 45° flared fittings.

45° Flared Fittings for Copper and Brass Tubing

No sleeve is required to assemble these fittings, which makes for a faster, more convenient installation compared to 37° flared fittings. They are also known as refrigeration and SAE fittings.

37° Flared Fittings for Copper Tubing

Also known as JIC (Joint Industrial Council) fittings, these connect to tubing that is flared to 37°. They can handle higher pressures than 45° flared fittings.

Brass Push-to-Connect Fittings for Copper Tubing

Choose these metal fittings when you need better durability than our plastic push-to-connect fittings.

Repair Clamps for Copper Tubing

Repair multiple pinholes, punctures, splits, and full-circle breaks on air and water lines with these clamps. They slide over tubing, so there’s no need to disassemble your system.

Tube Fittings for Stainless Steel Tubing

Cleaned and Bagged Yor-Lok
Fittings for Stainless Steel Tubing

For applications that require an extra level of cleanliness, these fittings are individually bagged to prevent contamination.

Yor-Lok Fittings for Stainless Steel Tubing

Use these fittings at pressures up to 9,700 psi. Also known as instrumentation fittings, they are made to tight tolerances for use in high-precision applications. They are compatible with Swagelok®, Let-Lok, and Parker A-Lok fittings.

Nuts for Yor-Lok Fittings for Stainless Steel Tubing

Front and Back Sleeves for Yor-Lok
Fittings for Stainless Steel Tubing

Extreme-Pressure Yor-Lok
Fittings for Stainless Steel Tubing

These fittings have the highest pressure rating of all the Yor-Lok tube fittings we offer.

Butt-Weld Fittings for Stainless Steel Tubing

Butt-weld fittings allow for a smooth, flush connection that provides maximum flow.

37° Flared Fittings with Thread
Sealant for Stainless Steel Tubing

The male pipe threads on these fittings have a sealant applied for extra protection against leaks.

37° Flared Fittings for Stainless Steel Tubing

Also known as JIC (Joint Industrial Council) fittings, these provide a tight metal-to-metal seal on stainless steel tubing that is flared to 37°.

Cleaned and Bagged 37° Flared
Fittings for Stainless Steel Tubing

Individually bagged to prevent contamination, these fittings are suitable for applications that require a high level of cleanliness.

Precision AN 37° Flared Fittings
for Stainless Steel Tubing

The threads on the tube end of these fittings are Class 3A or 3B and adhere to tighter tolerances than other 37° flared fittings.

Vibration-Resistant Precision AN 37°
Flared Fittings for Stainless Steel Tubing

A PTFE seal on the tube end of these fittings allows for an extra-strong connection in high-vibration applications.

High-Pressure Socket-Connect
Fittings for Stainless Steel Tubing

Use at pressures up to 4,300 psi.

High-Pressure Compression
Fittings for Stainless Steel Tubing

The thick walls of these fittings can withstand more than twice the pressure of standard compression fittings.

High-Polish Gasket Fittings for Stainless Steel Tubing

Fittings are polished to a32 Ra and under finish on the interior.

Extra-High-Polish Metal
Quick-Clamp Sanitary Tube Fittings

Polished to a 20 Ra finish, these fittings have an extra-smooth interior that prevents product buildup and inhibits bacteria growth.

Ultra-High-Vacuum Flanges and
Fittings for Stainless Steel Tubing

Create access points in ultra-high-vacuum lines or chambers by bolting two same-size flanges together with a copper gasket between them. The flanges’ sharp edges dig into the copper gasket and form an extremely tight seal, which means they handle higher vacuum pressures than other high-vacuum fittings with rubber gaskets.

Through-Wall Fittings for High-Vacuum Chambers

Transfer liquids and gasses into high-vacuum chambers with these assembled fittings, also known as feedthroughs.

Ultra-High-Polish Gasket Fittings
for Stainless Steel Tubing

Polished to a 15 Ra and under finish, these fittings have a mirror smooth interior. They are also known as ultra-high-purity fittings.

Quick-Connect High-Vacuum
Fittings for Stainless Steel Tubing

Twist these fittings onto high-vacuum tubing to quickly make sealed, high-vacuum connections without the need for clamping, welding, or tools.

Precision Compression Fittings
for Stainless Steel Tubing

Bolt-Together High-Vacuum
Fittings for Stainless Steel Tubing

For high-vacuum systems with tube sizes too large for quick-clamp (KF) fittings, choose these bolt-together fittings.

Clamps for High-Polish Metal
Quick-Clamp Sanitary Tube Fittings

Connect quick-clamp sanitary tube fittings—also known as aseptic fittings—for a fast and easy way to access your line.

Quick-Clamp High-Vacuum
Fittings for Stainless Steel Tubing

Also known as KF, QF, and NW fittings, these fittings are for high-vacuum applications, such as vacuum coating and heat treating, leak testing, and analyzing gases.

Clamps for Claw-Clamp High-Vacuum
Fittings for Stainless Steel Tubing

Connect claw-clamp high-vacuum fittings for an airtight seal.

Claw-Clamp High-Vacuum
Fittings for Stainless Steel Tubing

An alternative to bolt-together fittings, these handle larger tube OD sizes and have higher vacuum ratings than quick-clamp fittings. Also known as ISO-K high-vacuum fittings, the clamps have claws that grab hold of fittings with flanged ends.

Vibration-Resistant Compression
Fittings for Stainless Steel Tubing

Instead of a metal sleeve (ferrule), these fittings have a rubber sleeve that cushions tubing and absorbs vibration to maintain a tight seal, even when connected to large pumps.

Compression Fittings for Stainless Steel Tubing

A single sleeve (ferrule) bites into tubing as you tighten the nut, creating a strong seal. The nut and sleeve are included.

Rings for Claw-Clamp and Bolt-Together
High-Vacuum Fittings for Stainless Steel Tubing

Create airtight seals in high-vacuum systems by placing these rings between two claw-clamp (ISO-K) or bolt-together (ISO-F) fittings.

O-Ring Face Seal Fittings for Stainless Steel Tubing

The flat face of the fitting connects to a tube adapter so you can slide the tubing and fitting sideways to disconnect in cramped spaces. They are also known zero-clearance fittings.

High-Polish Metal Quick-Clamp Sanitary Tube Fittings

The smooth finish inside these stainless steel quick-clamp fittings makes it easy to remove product residue.

Extra-Support High-Polish Metal
Quick-Clamp Sanitary Tube Fittings

Also known as I-line fittings, these quick-clamp fittings permit easy access to your line.

Tube Fittings for Steel Tubing

Compression Fittings for Steel Tubing

A single sleeve (ferrule) bites into tubing as you tighten the nut, creating a strong seal.

Vibration-Resistant Compression
Fittings for Steel Tubing

High-Pressure Compression Fittings for Steel Tubing

Thicker walls make these fittings—sometimes called flareless or bite fittings—withstand about twice as much pressure as standard compression fittings, so they’re good for hydraulic power applications.

30° Flared Fittings for Steel Tubing

Also known as JIS (Japanese Industrial Standard) fittings.

37° Flared Fittings for Steel Tubing

Also known as JIC (Joint Industrial Council) fittings, these provide a tight metal-to-metal seal on steel tubing that is flared to 37°.

Vacuum Fittings for Steel Tubing

Use these fittings in an air vacuum system to avoid the hassle of brazing and welding. Insert two fittings into a clamp and tighten to form a secure seal in steel tubing.

Yor-Lok Fittings for Steel Tubing

These fittings have two sleeves for extra gripping power. They bite into steel tubing as you tighten the nut to form a strong seal.

O-Ring Face Seal Fittings for Steel Tubing

A tube adapter sits flush against the flat face of the fitting so you can slide the steel tubing and fitting sideways to disconnect in cramped spaces. Also known as zero-clearance fittings.

Tight-Space 37° Flared Fittings for Steel Tubing

The external hex bolt on these fittings allows for easy installation in cramped spaces.

Tube Fittings for Nickel Alloy Tubing

Acid-Resistant Yor-Lok Fittings for Nickel Alloy Tubing

These Monel fittings have the corrosion resistance to handle hydrofluoric and sulfuric acid. Also known as instrumentation fittings, they include a nut with two sleeves.

Ultra-Corrosion-Resistant Yor-Lok
Fittings for Nickel Alloy Tubing

With the best corrosion resistance of any metal fitting we offer, these Hastelloy fittings will stand up to aggressive chemicals and are resistant to pitting and stress cracking. Also known as instrumentation fittings, they include a nut with two sleeves.

Tube Fittings for Aluminum Tubing

Tight-Space 37° Flared Fittings for Aluminum Tubing

The external hex bolt on these fittings allows for easy installation in cramped spaces. They are also known as banjo-style fittings and JIC (Joint Industrial Council) fittings. They provide a tight seal on tubing that is flared to 37°.

37° Flared Fittings for Aluminum Tubing

Also known as JIC (Joint Industrial Council) fittings, these provide a tight seal on tubing that is flared to 37°.

Quick-Turn Couplings for Plastic and Rubber Tubing—Air and Water

Brass Quick-Turn Tube Couplings for Air

These brass couplings have good corrosion resistance.

Stainless Steel Quick-Turn Tube Couplings for Air

Made of stainless steel, these couplings stand up to wet environments.

Barbed Fittings for Plastic and Rubber Tubing—Air and Water

Brass Low-Pressure Barbed
Tube Fittings for Air and Water

Fittings have good corrosion resistance.

Nickel-Plated Brass Low-Pressure
Barbed Tube Fittings for Air and Water

The nickel plating on these fittings provides better corrosion resistance than unplated brass fittings.

Aluminum Low-Pressure Barbed
Tube Fittings for Air and Water

Aluminum fittings have good corrosion resistance, but are lighter in weight than brass.

Choose-a-Color Aluminum Low-Pressure
Barbed Tube Fittings for Air and Water

Color-code fittings for easy identification. These aluminum fittings have good corrosion resistance, but are lighter in weight than brass.

Brass High-Pressure Barbed
Tube Fittings for Air and Water

Fittings have good corrosion resistance.

Stainless Steel High-Pressure Barbed
Tube Fittings for Air and Water

Made of stainless steel, these fittings have better corrosion resistance than brass fittings.

Screw-On Nut Barbed Tube Fittings for Air

You don't need a clamp to secure these fittings to tubing. They have a nut on the barbed end that tightens to holds the tubing in place.

Push-to-Connect Fittings for Plastic and Rubber Tubing—Air and Water

Universal-Thread Stainless Steel
Push-to-Connect Tube Fittings for Air and Water

Often used in outdoor, damp, and washdown environments, these 316 stainless steel fittings will not corrode from water, salt, or chemicals. The male threaded ends mate with NPT, NPTF, BSPT, BSPP, and other universal threads, so you won’t have to worry about matching exact threads when you’re on the job.

Stainless Steel Push-to-Connect
Tube Fittings for Air and Water

A 316 stainless steel body gives these fittings the best corrosion resistance of all our metal push-to-connect tube fittings.

Brass Push-to-Connect Tube Fittings for Air

Made of brass, these fittings have good corrosion resistance.

Push-to-Connect Tube Fittings with Shut-Off for Air

A built-in shut-off valve stops airflow when the fittings are disconnected from tubing.

Nickel-Plated Brass Push-to-Connect
Tube Fittings for Air

Made of nickel-plated brass, these fittings have better corrosion resistance than unplated brass fittings.

Universal-Thread Nickel-Plated Brass
Push-to-Connect Tube Fittings for Air and Water

Made of nickel-plated brass, these tube fittings resist corrosion better than plain brass fittings. The male threaded ends connect to NPT, NPTF, BSPP, BSPT, and other universal threads, so you don’t have to bother matching exact thread types.

Push-to-Connect Tube Fittings for Air

Weld-Spatter-Resistant Push-to-Connect
Tube Fittings for Air and Water

Designed for use in welding applications, these fittings are flame retardant.

Moisture-Resistant Push-to-Connect
Tube Fittings for Air and Water

These fittings won’t absorb moisture, so they’re good for water and high-humidity air applications.

Low-Temperature/High-Pressure D.O.T.
Push-to-Connect Tube Fittings for Air

Use at pressures up to 250 psi.

Low-Temperature D.O.T.
Push-to-Connect Tube Fittings for Air

Use at pressures up to 150 psi.

Universal-Thread Moisture-Resistant
Push-to-Connect Tube Fittings for Air and Water

The threads on these fittings mate with NPT, NPTF, BSPT, and BSPP threads.

High-Temperature Push-to-Connect
Tube Fittings for Air and Water

Withstanding temperatures up to 300° F, these fittings have the highest temperature rating of all our push-to-connect tube fittings for air and water.

High-Pressure Push-to-Connect
Tube Fittings for Air and Water

An all-metal body and built-in tube support or dual seals allow these fittings to handle the highest pressure ratings of all our push-to-connect tube fittings.

Metal Compression Tube Fittings for Air and Water

O-Rings for Brass Compression
Tube Fittings for Air and Water

Use these O-rings with brass compression tube fittings that have BSPP male threads. They create a seal on the BSPP male threads to guard against leaks.

Nuts for Brass Compression
Tube Fittings for Air and Water

Brass Compression Tube Fittings for Air and Water

A single sleeve (ferrule) compresses the tubing as you tighten the nut on these fittings, creating a strong seal. They are brass for good corrosion resistance.

Tube Supports for Brass Compression
Tube Fittings for Air and Water

Tube supports slip inside tubing to prevent the walls from collapsing.

Sleeves for Brass Compression
Tube Fittings for Air and Water

Use these sleeves with brass compression nuts and fittings to create a seal on plastic and rubber tubing.

D.O.T. Brass Compression Tube Fittings for Air

These compression tube fittings meet Department of Transportation FMVSS 571 safety standards for air brake lines.

Tight-Seal Brass Compression
Tube Fittings for Air and Water

A built-in tube support slips inside the tubing to prevent collapsing and provides a sturdy connection for an extra-tight seal.

Quick-Assembly Brass Compression
Tube Fittings for Air and Water

These fittings include a nut with a built-in sleeve (ferrule), so there’s no need to remove the nut for assembly.

Quick-Disconnect Couplings for Plastic and Rubber Tubing—Air and Water

High-Pressure Quick-Disconnect Tube Couplings for Air

Couplings can handle pressures up to 250

How to Identify and Measure Fittings

Low-Pressure Iron and Steel Threaded Pipe and Pipe Fittings

Low-Pressure Iron and Steel Threaded Pipe Fittings

Standard-Wall Steel Threaded Pipe Nipples and Pipe

Standard-Wall Steel Pipe Nipples and Pipewith Right-Hand and Left-Hand Threads

Standard-Wall Steel ThreadedPipe Nipple and Pipe Assortments

Low-Pressure Steel Threaded Pipe Flanges

Low-Pressure Iron Threaded Pipe Fittingswith Right-Hand and Left-Hand Threads

FM-Approved Low-PressureCast Iron Threaded Pipe Fittings

FM-Approved Low-Pressure CastIron Threaded Pipe Flanges

Low-Pressure Cast Iron Threaded Pipe Fittings

Low-Pressure Galvanized Ironand Steel Threaded Pipe Fittings

Standard-Wall Galvanized SteelThreaded Pipe Nipples and Pipe

Standard-Wall Galvanized Steel ThreadedPipe Nipple and Pipe Assortments

Standard-Wall Galvanized Steel Pipe Nipplesand Pipe for Joining Dissimilar Metals

Low-Pressure Galvanized SteelThreaded Pipe Fittings with Sealant

Low-Pressure Galvanized Steel Threaded Pipe Flanges

High-Pressure Iron and Steel Threaded Pipe and Pipe Fittings

High-Pressure Iron and Steel Threaded Pipe Fittings

High-Pressure Steel Threaded SAE Pipe Flanges

High-Pressure Steel ThreadedSAE Two-Piece Pipe Flanges

High-Pressure Steel Threaded Pipe Flanges

Extra-Thick-Wall Steel Threaded Pipe Nipples and Pipe

High-Pressure Galvanized Steel Threaded Pipe Fittings

Extra-Thick-Wall Galvanized SteelThreaded Pipe Nipples and Pipe

Medium-Pressure Iron and Steel Threaded Pipe and Pipe Fittings

Medium-Pressure Iron and Steel Threaded Pipe Fittings

Thick-Wall Steel Threaded Pipe Nipples and Pipe

Medium-Pressure Steel Threaded Pipe Flanges

Thick-Wall Galvanized Iron and SteelThreaded Pipe Nipples and Pipe

Medium-Pressure Galvanized Ironand Steel Threaded Pipe Fittings

Medium-Pressure GalvanizedSteel Threaded Pipe Flanges

Medium-Pressure Pipe Fittingsfor Joining Dissimilar Metals

Extreme-Pressure Steel Threaded Pipe and Pipe Fittings

Compact Extreme-PressureSteel Threaded Pipe Fittings

Compact Precision Extreme-PressureSteel Threaded Pipe Fittings

Extreme-Pressure Steel Threaded Pipe Fittings

Super-Thick-Wall Steel Threaded Pipe Nipples and Pipe

Iron and Steel Unthreaded Pipe and Pipe Fittings

Standard-Wall Butt-Weld Steel Unthreaded Pipe Fittings

Low-Pressure Steel Unthreaded Pipe Flanges

Standard-Wall Steel Unthreaded Pipe Nipples and Pipe

Low-Pressure Press-ConnectSteel Unthreaded Pipe Fittings

Thick-Wall Butt-Weld Steel Unthreaded Pipe Fittings

High-Pressure Socket-ConnectSteel Unthreaded Pipe Fittings

High-Pressure Steel Unthreaded Pipe Flanges

High-Pressure Steel Unthreaded SAE Pipe Flanges

Thick-Wall Steel Unthreaded Pipe

Extreme-Pressure Socket-ConnectSteel Unthreaded Pipe Fittings

Extra-Thick-Wall Steel Unthreaded Pipe

Extreme-Pressure Steel Unthreaded Pipe Flanges

Iron and Steel Clamp-On Pipe and Pipe Fittings

Drain, Waste, and Vent Iron Pipe Fittings

Grooved-End Iron Pipe Fittings

Standard-Wall Grooved-EndSteel Pipe Nipples and Pipe

Drain, Waste, and Vent Iron Pipe

Iron and Steel Pipe Fittings with Flanged Ends

Iron and Steel Pipe Fittings with Flanged Ends

Stainless Steel Threaded Pipe and Pipe Fittings

Low-Pressure Stainless Steel Threaded Pipe Fittings

Standard-Wall Stainless SteelThreaded Pipe Nipples and Pipe

Premium Low-Pressure Stainless SteelThreaded Pipe Fittings with Certification

Low-Pressure Stainless Steel Threaded Pipe Flanges

Low-Pressure Stainless SteelThreaded Pipe Fittings with Sealant

Standard-Wall Stainless Steel ThreadedPipe Nipples and Pipe with Sealant

High-Pressure Stainless Steel Threaded Pipe Fittings

Thick-Wall Stainless SteelThreaded Pipe Nipples and Pipe

High-Pressure Stainless Steel Threaded Pipe Flanges

High-Pressure Stainless SteelThreaded SAE Pipe Flanges

High-Pressure Stainless SteelThreaded SAE Two-Piece Pipe Flanges

Precision Extreme-Pressure StainlessSteel Threaded Pipe Fittings

Extreme-Pressure StainlessSteel Threaded Pipe Fittings

Medium-Pressure StainlessSteel Threaded Pipe Fittings

Miniature Medium-Pressure StainlessSteel Threaded Pipe Fittings

Stainless Steel Unthreaded Pipe and Pipe Fittings

Standard-Wall Butt-Weld StainlessSteel Unthreaded Pipe Fittings

Standard-Wall Stainless SteelUnthreaded Pipe Nipples and Pipe

Low-Pressure Stainless Steel Unthreaded Pipe Flanges

Low-Pressure Socket-Connect StainlessSteel Unthreaded Pipe Fittings

Low-Pressure Press-Connect StainlessSteel Unthreaded Pipe Fittings

Standard-Wall Steel Pipe Nipples and Pipe
with Right-Hand and Left-Hand Threads

Standard-Wall Steel Threaded
Pipe Nipple and Pipe Assortments

Low-Pressure Iron Threaded Pipe Fittings
with Right-Hand and Left-Hand Threads

FM-Approved Low-Pressure
Cast Iron Threaded Pipe Fittings

FM-Approved Low-Pressure Cast
Iron Threaded Pipe Flanges

Low-Pressure Galvanized Iron
and Steel Threaded Pipe Fittings

Standard-Wall Galvanized Steel
Threaded Pipe Nipples and Pipe

Standard-Wall Galvanized Steel Threaded
Pipe Nipple and Pipe Assortments

Standard-Wall Galvanized Steel Pipe Nipples
and Pipe for Joining Dissimilar Metals

Low-Pressure Galvanized Steel
Threaded Pipe Fittings with Sealant

High-Pressure Steel Threaded
SAE Two-Piece Pipe Flanges

Extra-Thick-Wall Galvanized Steel
Threaded Pipe Nipples and Pipe

Thick-Wall Galvanized Iron and Steel
Threaded Pipe Nipples and Pipe

Medium-Pressure Galvanized Iron
and Steel Threaded Pipe Fittings

Medium-Pressure Galvanized
Steel Threaded Pipe Flanges

Medium-Pressure Pipe Fittings
for Joining Dissimilar Metals

Compact Extreme-Pressure
Steel Threaded Pipe Fittings

Compact Precision Extreme-Pressure
Steel Threaded Pipe Fittings

Low-Pressure Press-Connect
Steel Unthreaded Pipe Fittings

High-Pressure Socket-Connect
Steel Unthreaded Pipe Fittings

Extreme-Pressure Socket-Connect
Steel Unthreaded Pipe Fittings

Standard-Wall Grooved-End
Steel Pipe Nipples and Pipe

Standard-Wall Stainless Steel
Threaded Pipe Nipples and Pipe

Premium Low-Pressure Stainless Steel
Threaded Pipe Fittings with Certification

Low-Pressure Stainless Steel
Threaded Pipe Fittings with Sealant

Standard-Wall Stainless Steel Threaded
Pipe Nipples and Pipe with Sealant

Thick-Wall Stainless Steel
Threaded Pipe Nipples and Pipe

High-Pressure Stainless Steel
Threaded SAE Pipe Flanges

High-Pressure Stainless Steel
Threaded SAE Two-Piece Pipe Flanges

Precision Extreme-Pressure Stainless
Steel Threaded Pipe Fittings

Extreme-Pressure Stainless
Steel Threaded Pipe Fittings

Medium-Pressure Stainless
Steel Threaded Pipe Fittings

Miniature Medium-Pressure Stainless
Steel Threaded Pipe Fittings

Standard-Wall Butt-Weld Stainless
Steel Unthreaded Pipe Fittings

Standard-Wall Stainless Steel
Unthreaded Pipe Nipples and Pipe

Low-Pressure Socket-Connect Stainless
Steel Unthreaded Pipe Fittings

Low-Pressure Press-Connect Stainless
Steel Unthreaded Pipe Fittings

Thin-Wall Butt-Weld Stainless
Steel Unthreaded Pipe Fittings

High-Pressure Socket-Connect
Stainless Steel Unthreaded Pipe Fittings

Thick-Wall Butt-Weld Stainless
Steel Unthreaded Pipe Fittings

High-Pressure Stainless Steel
Unthreaded SAE Pipe Flanges

Extreme-Pressure Socket-Connect
Stainless Steel Unthreaded Pipe Fittings

High-Pressure Brass Threaded
Pipe Fittings with Sealant

High-Pressure Brass Threaded
Pipe Nipples and Pipe with Sealant

High-Pressure Brass Threaded
Pipe Fittings for Drinking Water

High-Pressure Brass Threaded Pipe
Nipples and Pipe for Drinking Water

High-Pressure Plated Brass
Threaded Pipe Nipples and Pipe

Low-Pressure Brass and
Bronze Threaded Pipe Flanges

Low-Pressure Brass Threaded
Pipe Fittings with Sealant

Standard-Wall Brass Threaded
Pipe Nipples and Pipe with Sealant

Standard-Wall Chrome-Plated Brass
Threaded Pipe Nipples and Pipe

Precision Extreme-Pressure
Brass Threaded Pipe Fittings

Precision Extreme-Pressure Brass
Threaded Pipe Nipples and Pipe

Medium-Pressure Brass and
Bronze Threaded Pipe Fittings

Standard-Wall Aluminum
Threaded Pipe Nipples and Pipe

Miniature Medium-Pressure
Aluminum Threaded Pipe Fittings

Standard-Wall Butt-Weld Aluminum
Unthreaded Pipe Fittings

Standard-Wall Aluminum
Unthreaded Pipe Nipples and Pipe

Thin-Wall Socket-Connect
Aluminum Unthreaded Pipe Fittings

Thick-Wall Butt-Weld Aluminum
Unthreaded Pipe Fittings

Standard-Wall Copper-Nickel
Threaded Pipe Nipples and Pipe