Steam Check Valves | McMaster-Carr

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174 Products

About Backflow-Prevention Valves

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Check Valves

Threaded Check Valves

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

High-Flow Threaded Check Valves

High-Flow Threaded Check Valves

To achieve the maximum possible flow, internal components are designed to reduce flow resistance.

High-Cycling Threaded Check Valves

High-Cycling Threaded Check Valves

With few moving parts to wear out, these valves withstand frequent opening and closing, pulsating flow, and rapid flow reversal.

Socket-Connect Check Valves

Socket-Connect Check Valves

Weld to unthreaded metal pipe.

Flanged Check Valves

Flanged Check Valves

Bolt to ANSI flanges.

Check Valves with Solder-Connect Fittings

Check Valves with Solder-Connect Fittings

Solder these valves to copper tubing for a permanent, leak-tight connection.

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

The metal body is more durable than plastic.

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.

Vacuum-Breaking Valves

Vacuum-Breaking Valves

Commonly used with irrigation systems and laboratory equipment, these valves have NPT connections.

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)