Steel Check Valves | McMaster-Carr

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Body Material

Stainless Steel

Material

Stainless Steel

System of Measurement

Pipe Size

Fitting Connection

Push to Connect

For Use With

Deionized Water

Ethylene Glycol

Thread Type

UN/UNF (SAE Straight)

Minimum Opening Pressure

Gender

Maximum Pressure @ Temperature

25 psi @ 70° F

50 psi @ 70° F

115 psi @ 70° F

125 psi @ 70° F

145 psi @ 70° F

200 psi @ 70° F

220 psi @ 70° F

275 psi @ 70° F

300 psi @ 70° F

400 psi @ 70° F

500 psi @ 70° F

600 psi @ 70° F

720 psi @ 70° F

1,000 psi @ 70° F

1,440 psi @ 70° F

1,500 psi @ 70° F

1,900 psi @ 70° F

2,000 psi @ 70° F

Connects To

Mounting Position

Actuation

Tube OD

Shape

Seal Material

Stainless Steel

Valve Type

Check Valve Type

Spring-Loaded Ball

Spring-Loaded Piston

Piston Material

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

Flow Coefficient (Cv)

Spring Material

302 Stainless Steel

304 Stainless Steel

316 Stainless Steel

Stainless Steel

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

How can we improve?

675 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

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

Power Transmission

Hydraulic Check Valves

Hydraulic Check Valves

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

Air Flow Check Valves

Air Flow Check Valves

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

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