McMaster-Carr

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	Pipe Size Pipe Size

1/8

	Thread Type Thread Type

BSPT

NPT

	Type Type	Show

Union

	Type Type	Hide

	Material Material

	For Use With For Use With

	Connection Style Connection Style	Show

	Socket Connect

	Connection Style Connection Style	Hide

Threaded

Socket Connect

Clamp On

	Schedule Schedule


40	80

	For Pipe Material For Pipe Material

	Shape Shape


Straight	270° Bend

	Color Color

	Dark Gray		White
	Black		Light Gray

	For Pipe Schedule For Pipe Schedule


10	40

80	XXH

	Gender Gender

Female

Male

	Socket Connect Type Socket Connect Type


Cement	Weld

Braze	Solder

Press

	Connection Type Connection Type


Pipe	Tube

	Maximum Pressure Maximum Pressure

	O-Ring Material O-Ring Material

Buna-N Rubber

Viton® Fluoroelastomer
Rubber

EPDM Rubber

Fluoroelastomer Rubber

	System of Measurement System of Measurement

Inch

Metric

	Specifications Met Specifications Met

ANSI

ANSI/ASME

ANSI/MSS

ASTM

International Fuel Gas Code

Mil. Spec.

MSS

NSF/ANSI

Uniform Mechanical Code

UPC

	Socket Depth Socket Depth

	Maximum Temperature Maximum Temperature

100° to 249° F

250° to 499° F

500° to 999° F

	Minimum Temperature Minimum Temperature

-49° to 0° F

Greater than 0° F

Not Rated

	Class Class

150

3000

6000

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266 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 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.

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.

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.

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.

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.

Extreme-Pressure Socket-Connect
Steel Unthreaded Pipe Fittings

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

Bronze Unthreaded Pipe Fittings

Also known as Silbraze fittings.

Plastic Pipe and Pipe Fittings

Thick-Wall Plastic
Pipe Fittings for Water

Connect these fittings to thick-wall plastic pipe—they have thicker, stronger walls than standard-wall fittings, so they can handle heavy duty industrial plumbing and water supply applications, such as water processing, waste water treatment, and irrigation. They can withstand pressures up to 900 psi.

Standard-Wall Plastic
Pipe Fittings for Water

Connect these fittings to standard-wall plastic pipe for use in low- to medium-pressure applications up to 750 psi.They are the industry standard for residential and commercial plumbing and water supply applications.

CPVC Pipe Fittings for Hot Water

Connect to CPVC pipe for use in high-temperature plumbing and water supply applications up to 200° F.

Drain, Waste, and Vent ABS
Pipe Fittings for Chemicals

These fittings are an economical option for chemical waste systems. Fittings are ABS plastic, which has excellent strength and impact resistance and good chemical resistance.

Aboveground Standard-Wall
PVC Pipe Fittings for
Drain, Waste, and Vent

These Schedule 40 fittings are the industry standard for gravity-flow drain, waste, and vent (DWV) applications.

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.

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.

Terms and Conditions and Privacy Policy

How to Identify and Measure Fittings

Metal Pipe and Pipe Fittings

Low-Pressure Socket-ConnectStainless Steel Unthreaded Pipe Fittings

Low-Pressure Press-ConnectStainless Steel Unthreaded Pipe Fittings

High-PressureSocket-Connect Stainless Steel Unthreaded Pipe Fittings

Medium-Pressure Pipe Fittingsfor Joining Dissimilar Metals

Low-Pressure Press-ConnectSteel Unthreaded Pipe Fittings

High-Pressure Socket-ConnectSteel Unthreaded Pipe Fittings

Extreme-Pressure Socket-ConnectSteel Unthreaded Pipe Fittings