Metal Check Valves | McMaster-Carr

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Body Material

Stainless Steel

Material

System of Measurement

Pipe Size

For Use With

Flammable Vapors

Hydraulic Fluid

Thread Type

UN/UNF (SAE Straight)

Fitting Connection

Push to Connect

Minimum Opening Pressure

Maximum Pressure @ Temperature

115 psi @ 70° F

125 psi @ 70° F

200 psi @ 70° F

275 psi @ 70° F

300 psi @ 70° F

400 psi @ 70° F

500 psi @ 70° F

600 psi @ 70° F

1,000 psi @ 70° F

1,500 psi @ 70° F

1,900 psi @ 70° F

2,000 psi @ 70° F

2,200 psi @ 70° F

2,300 psi @ 70° F

3,000 psi @ 70° F

Connects To

Gender

Seal Material

Stainless Steel

Mounting Position

Piston Material

Stainless Steel

Shape

Valve Type

Reduced Pressure Zone

Actuation

Check Valve Type

Spring-Loaded Ball

Spring-Loaded Piston

Tube OD

End-to-End Length

Spring Material

302 Stainless Steel

304 Stainless Steel

316 Stainless Steel

Stainless Steel

Maximum Temperature

Less than 250° F

250° F to 299° F

300° F to 399° F

400° F to 499° F

500° F or greater

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

RoHS

Compliant with Exemptions

How can we improve?

672 Products

Fluid Handling

Check Valves

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

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

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

Fastening and Joining

Welding Gas Flashback Arresters

Welding Gas Flashback Arresters

Attach to your gas welder to extinguish flames and stop reverse gas flow

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