Fluid Fittings | McMaster-Carr

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System of Measurement

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Material

Compressed Non-Asbestos Synthetic Fiber

Shape

Adjustable-Angle Elbow

Fitting Type

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Gender

For Use With

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Connects To

Length

Pipe Schedule

Maximum Pressure @ Temperature

Pipe Material

Threading

Threaded on Both Ends

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Compliant with Exemptions

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

REACH

Compliant

Not Compliant

DFARS Specialty Metals

Compliant

Exempt

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Export Control Classification Number (ECCN)

Thread Size

Tube Material

Pressure Class

51,879 Products

Fluid Handling

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

13,992 products

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

5,096 products

Hose End Plugs

Insert into the ends of hose to keep out dirt and debris

37 products

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

23,131 products

Manifolds

Distribute air or fluid to multiple places from a single source; also called headers

637 products

Air Chucks

Connect air hose to Schrader valves, which are common on tires and hydraulic systems

6 products

Junction Blocks

Organize and separate multiple lines in a pipe system; air and fluid flow through the threaded holes

88 products

Check Valves

Permit flow in only one direction by closing when flow stops or reverses

744 products

On-Off Valves

Start and stop flow through a line

3,860 products

Flow-Adjustment Valves

Gradually open and close to control the volume of air and liquids through a line

804 products

Orifice Valves

Restrict the flow of liquids and gases to precisely control rate and pressure

989 products

Bore Sealing Plugs

Permanently seal unthreaded holes in pneumatic and hydraulic components

95 products

Drain Valves

Vent air or discharge liquids to remove excess fluid from your system

36 products

Float Valves

Open or close a pipe connection when liquids in a container reach a set level; also known as ballcocks

116 products

Flow-Regulating Valves

Maintain the set flow rate of fluid through your system

50 products

Float Valve Bodies

Pair with floats and rods to create float valves that meet your needs

77 products

Pressure-Relief Valves

Protect equipment by opening at a set pressure and closing when the pressure drops; for repeated use

120 products

Breather Vents

Maintain even pressure and vacuum as temperatures change by allowing airflow in tanks and enclosures

35 products

Lubricating

Grease Fittings

Create an inlet on equipment and machinery for injecting lubricant; also known as Zerk fittings

360 products

Grease Fitting Adapters

Mate grease fittings when the sizes and thread types don't match

41 products

Grease Fitting Manifolds

Lubricate multiple points with the same amount and type of grease using one grease fitting

3 products

Grease Fitting Repair Tools

Remove and repair broken or clogged grease fittings and re-tap threaded holes

2 products

Grease Fitting Installation Tools

Tap to insert grease fittings in unthreaded holes

2 products

Grease Fitting Cleaning Tools

Flush out old grease, dirt, and debris from clogged fittings

2 products

Grease Fitting Junction Blocks

Send different types and amounts of grease from multiple grease fittings to lubricate several points

9 products

Power Transmission

Air Flow Check Valves

Open to allow air flow in one direction and close when flow stops or reverses

21 products

Pulley and Sprocket Bushings

Mount between a rotating shaft and equipment to secure the shaft and reduce vibration

20 products

Hydraulic Check Valves

Open to allow hydraulic fluid flow in one direction and close when flow stops or reverses

78 products

Air Flow Control Valves

Control the speed of air-powered equipment by adjusting the volume of airflow entering or exiting

293 products

Hydraulic Flow-Adjustment Valves

Turn the knob to gradually adjust the flow of hydraulic fluid

2 products

Compressed Air Filter/Regulator/Lubricator Manifolds

Distribute compressed air to multiple locations from a single source

28 products

Fastening and Joining

Brazing Rings

Snap into unthreaded pipe fittings for an extra-strong, leak-resistant connection

5 products

Facility and Grounds Maintenance

Faucet Spout Thread Adapters

Connect the female end of your garden hose to a faucet spout

4 products

Drain Cleanouts

Create an access point to inspect and clean floor drain pipelines

3 products