Check Valves for Steam | McMaster-Carr

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System of Measurement

Pipe Size

Body Material

Stainless Steel

Fitting Connection

Push to Connect

Thread Type

Disc Material

316 Stainless Steel

Mounting Position

Seal Material

Stainless Steel

Pressure Class

Gender

Minimum Opening Pressure

Connects To

Maximum Pressure @ Temperature

200 psi @ 70° F

300 psi @ 70° F

400 psi @ 70° F

1,000 psi @ 70° F

200 psi @ 150° F

300 psi @ 150° F

400 psi @ 150° F

600 psi @ 150° F

400 psi @ 350° F

580 psi @ 350° F

Valve Type

Maximum Temperature

250° F to 299° F

300° F to 399° F

400° F to 499° F

500° F or greater

Flow Coefficient (Cv)

Material

Stainless Steel

Check Valve Type

Spring-Loaded Ball

Spring-Loaded Piston

Maximum Steam Pressure @ Temperature

125 psi @ 212° F

150 psi @ 212° F

125 psi @ 350° F

150 psi @ 350° F

125 psi @ 353° F

175 psi @ 353° F

300 psi @ 365° F

150 psi @ 366° F

200 psi @ 388° F

520 psi @ 421° F

300 psi @ 422° F

End-to-End Length

Actuation

RoHS

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

How can we improve?

174 Products

Fluid Handling

Check Valves

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

Vacuum Breakers

Vacuum Breakers

When pressure drops, vents open to prevent suction from drawing liquid back upstream

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