NSF/ANSI-Standard Check Valves

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Food Industry Standard

NSF Standard

NSF/ANSI 61

NSF/ANSI 372

System of Measurement

Pipe Size

Body Material

Fitting Connection

For Use With

Sodium Hydroxide (Caustic Soda)

Sodium Hypochlorite (Bleach)

Thread Type

Pipe Schedule

Check Valve Type

Mounting Position

Ball Material

Material

Actuation

Valve Type

Reduced Pressure Zone

Connects To

Shape

Color

Minimum Opening Pressure

Gender

Fitting Type

Tube OD

RoHS

Compliant with Exemptions

REACH

Compliant

Not Compliant

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

Export Control Classification Number (ECCN)

2B999

EAR99

DFARS Specialty Metals

Exempt

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104 Products

Check Valves

Check Valves for Harsh Chemicals

Easy-Install Threaded Check Valves for Harsh Chemicals

Reduce installation time and allow for maintenance without detaching pipe connections

12 products

Threaded Check Valves for Harsh Chemicals

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

6 products

Check Valves for Drinking Water

Threaded Check Valves for Drinking Water

Meet NSF/ANSI 61 requirements for drinking water service

17 products

Socket-Connect Check Valves for Drinking Water

Bond to unthreaded pipe with primer and cement for a permanent, leak-tight connection

18 products

Heavy Duty Threaded Check Valves for Drinking Water

The metal body makes these more durable than plastic valves for drinking water

11 products

Check Valves with Push-to-Connect Fittings for Drinking Water

Insert tubing into the fitting without needing heat, solder, or flux

8 products

Heavy Duty Check Valves with Push-to-Connect Fittings for Drinking Water

The metal body makes them more durable than plastic valves with push-to-connect fittings

5 products

Check Valves with Solder-Socket Fittings for Drinking Water

Solder to copper tubing for a permanent, leak-tight connection

4 products

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Backflow-Prevention Valves

Dual checks stop flow from reversing and contaminating your system

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Vacuum Breakers

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

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