1/4 Check Valves | McMaster-Carr

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Pipe Size

Body Material

Stainless Steel

Thread Type

For Use With

Deionized Water

Ethylene Glycol

Fitting Connection

Push to Connect

Minimum Opening Pressure

Maximum Pressure @ Temperature

125 psi @ 70° F

150 psi @ 70° F

200 psi @ 70° F

220 psi @ 70° F

300 psi @ 70° F

400 psi @ 70° F

500 psi @ 70° F

1,000 psi @ 70° F

2,000 psi @ 70° F

3,000 psi @ 70° F

125 psi @ 150° F

200 psi @ 150° F

300 psi @ 150° F

400 psi @ 150° F

600 psi @ 150° F

Gender

Connects To

Piston Material

316 Stainless Steel

Fluoroelastomer

Shape

Actuation

Seal Material

304 Stainless Steel

Check Valve Type

Spring-Loaded Ball

Spring-Loaded Piston

Spring Material

Stainless Steel

Tube OD

Valve Type

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

Mounting Position

End-to-End Length

Tube ID

Fitting Type

Export Control Classification Number (ECCN)

DFARS Specialty Metals

REACH

RoHS

Compliant with Exemptions

How can we improve?

126 Products

Fluid Handling

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

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

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

Power Transmission

Hydraulic Check Valves

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

Fastening and Joining

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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.)