NSF/ANSI-Standard Check Valves | McMaster-Carr

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Food Industry Standard

System of Measurement

Pipe Size

Body Material

Fitting Connection

Push to Connect

For Use With

Deionized Water

Ethylene Glycol

Hydrochloric Acid

Isopropyl Alcohol

Methanol (Methyl Alcohol)

Mineral Spirits

Actuation

Thread Type

Ball Material

Pipe Schedule

Check Valve Type

Spring-Loaded Ball

Spring-Loaded Piston

Valve Type

Reduced Pressure Zone

Mounting Position

Color

Minimum Opening Pressure

Connects To

Gender

Fitting Type

Shape

Tube OD

Material

Stainless Steel

Maximum Pressure @ Temperature

125 psi @ 70° F

145 psi @ 70° F

150 psi @ 70° F

200 psi @ 70° F

175 psi @ 140° F

100 psi @ 150° F

145 psi @ 150° F

400 psi @ 170° F

175 psi @ 180° F

400 psi @ 180° F

250 psi @ 200° F

400 psi @ 350° F

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

How can we improve?

105 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

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