Ball Check Valves | McMaster-Carr

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Check Valve Type

Ball

Spring-Loaded Ball

System of Measurement

Pipe Size

Body Material

For Use With

Methyl Ethyl Ketone (MEK)

Fitting Connection

Thread Type

UN/UNF (SAE Straight)

UNF

Minimum Opening Pressure

Material

Connects To

Actuation

Gender

Maximum Pressure @ Temperature

Tube ID

Ball Material

Mounting Position

Valve Type

Seal Material

Shape

Fitting Type

Tube OD

RoHS

Compliant with Exemptions

Not Compliant

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

Yes

Export Control Classification Number (ECCN)

REACH

DFARS Specialty Metals

Exempt

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261 Products

Check Valves

Check Valves for Harsh Chemicals

Easy-Install Threaded Check Valves for Harsh Chemicals

Reduce installation time and allow for maintenance without detaching pipe connections

19 products

Threaded Check Valves for Harsh Chemicals

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

10 products

Check Valves with Barbed Fittings for Harsh Chemicals

Barbs grip onto tubing, providing a secure hold

6 products

Flanged Check Valves for Harsh Chemicals

Bolt to ANSI flanges

2 products

Check Valves

Threaded Check Valves

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

18 products

Check Valves with Barbed Fittings

Barbs grip onto tubing, providing a secure hold

47 products

Compact Threaded Check Valves

A shorter end-to-end length than other check valves to fit in tight spaces

18 products

High-Pressure Threaded Check Valves

Rated for up to twice the pressure of standard check valves

12 products

Check Valves with Push-to-Connect Fittings

Insert tubing into the fitting without needing heat, solder, or flux

3 products

Plastic Threaded Check Valves

Plastic provides a lightweight alternative to metal

6 products

Check Valves for Vacuum

Threaded Check Valves for Vacuum

Prevent vacuum loss with these airtight, leakproof valves

5 products

Check Valves for Steam

Withstand the high pressures and temperatures in steam service applications

16 products

Check Valves for Oil and Fuel

High-Performance Threaded Check Valves for Fuel

Withstand pressures up to 1,975 psi and temperatures up to 800° F

6 products

High-Pressure Threaded Check Valves for Oil and Fuel

Rated for at least four times the pressure of standard check valves for oil and fuel

12 products

Plastic Threaded Check Valves for Oil and Fuel

Plastic provides a lightweight alternative to metal

9 products

Socket-Connect Check Valves for Oil and Fuel

Insert unthreaded pipe into the socket ends and weld to create a permanent, leak-tight connection

3 products

Check Valves for Drinking Water

Heavy Duty Check Valves with Push-to-Connect Fittings for Drinking Water

The metal body makes them more durable than plastic valves with push-to-connect fittings

5 products

Check Valves for Refrigerant

Use in refrigeration and air-conditioning systems

4 products

Other Products

Hydraulic Check Valves

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

60 products