Spring-Loaded Ball Check Valves

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DFARS Specialty Metals

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147 Products

About Backflow-Prevention Valves

Threaded Check Valves

For use with threaded pipe, these valves are available with NPT, NPTF, BSPP, BSPT, and UNI/UNF (JIC) connections.

Plastic Threaded Check Valves

Plastic provides a lightweight alternative to metal.

High-Pressure Threaded Check Valves

Rated for up to twice the pressure of standard check valves, these can withstand pressures up to 3,000 psi.

Check Valves with Barbed Fittings

Barbs grip onto tubing, providing a secure hold.

Check Valves with Push-to-Connect Fittings

Insert tubing into the fitting—no heat, solder, or flux required.

Threaded Check Valves for Harsh Chemicals

These valves open to allow flow in one direction and close when flow stops or reverses.

Check Valves with Barbed
Fittings for Harsh Chemicals

Barbs grip onto tubing, providing a secure hold.

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

The metal body is more durable than plastic.

High-Performance Threaded Check Valves for Fuel

These heavy duty valves can withstand pressures up to 1,975 psi and temperatures up to 800° F.

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, these are often used in hydraulic applications with pressures up to 3,000 psi.

Socket-Connect Check Valves for Oil and Fuel

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

Threaded Check Valves for Vacuum

Valves have NPT connections for use with threaded pipe.

Check Valves for Steam

To withstand high pressures and temperatures in steam service applications, these valves have a 316 stainless steel body, PTFE ball, and PTFE seal.

Check Valves for Refrigerant

These valves are often used in refrigeration and air-conditioning systems.