2 Check Valves | McMaster-Carr

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Pipe Size

Body Material

Stainless Steel

Fitting Connection

For Use With

Flammable Vapors

Chlorinated Water

Deionized Water

Mounting Position

Seal Material

Stainless Steel

Gender

Pipe Schedule

Thread Type

Check Valve Type

Spring-Loaded Ball

Spring-Loaded Piston

Actuation

Pressure Class

Valve Type

Reduced Pressure Zone

Disc Material

316 Stainless Steel

Minimum Opening Pressure

Connects To

End-to-End Length

Shape

Maximum Pressure @ Temperature

25 psi @ 70° F

125 psi @ 70° F

150 psi @ 70° F

200 psi @ 70° F

275 psi @ 70° F

400 psi @ 70° F

600 psi @ 70° F

1,000 psi @ 70° F

1,500 psi @ 70° F

100 psi @ 75° F

720 psi @ 100° F

1,500 psi @ 100° F

1,975 psi @ 100° F

60 psi @ 140° F

175 psi @ 140° F

Maximum Steam Pressure @ Temperature

125 psi @ 350° F

150 psi @ 350° F

125 psi @ 353° F

175 psi @ 353° F

150 psi @ 366° F

200 psi @ 388° F

520 psi @ 421° F

300 psi @ 422° F

Ball Material

304 Stainless Steel

Maximum Temperature

Less than 200° F

200° F to 249° F

250° F to 299° F

300° F to 499° F

500° F or greater

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

RoHS

How can we improve?

59 Products

Fluid Handling

Check Valves

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

Sump Pump Backflow-Prevention Valves

Sump Pump Backflow-Prevention Valves

Block dirty water from returning to your sump pump

Backflow-Prevention Valves

Backflow-Prevention Valves

Dual checks stop flow from reversing and contaminating your system

Vacuum Breakers

Vacuum Breakers

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

Flame Arresters

Flame Arresters

Absorb heat from a fire in your gas pipeline to stop it from traveling back to the gas source

Facility and Grounds Maintenance

Drain Check Valves

Drain Check Valves

Prevent water damage by placing into floor drains to stop sewer back-ups

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