Brass Check Valves | McMaster-Carr

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Body Material

Material

System of Measurement

Pipe Size

For Use With

Hydraulic Fluid

Thread Type

Fitting Connection

Push to Connect

Gender

Minimum Opening Pressure

Connects To

Piston Material

Stainless Steel

Shape

Maximum Pressure @ Temperature

115 psi @ 70° F

125 psi @ 70° F

200 psi @ 70° F

300 psi @ 70° F

400 psi @ 70° F

500 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

150 psi @ 140° F

400 psi @ 170° F

Mounting Position

Tube OD

Seal Material

Stainless Steel

End-to-End Length

Valve Type

Actuation

Maximum Temperature

Less than 250° F

250° F to 299° F

300° F to 399° F

400° F to 499° F

Check Valve Type

Spring-Loaded Ball

Spring-Loaded Piston

Flow Coefficient (Cv)

Export Control Classification Number (ECCN)

REACH

DFARS Specialty Metals

RoHS

Compliant with Exemptions

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227 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

Power Transmission

Air Flow Check Valves

Air Flow Check Valves

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

Hydraulic Check Valves

Hydraulic Check Valves

Open to allow hydraulic fluid 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.)