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Check Valve used in Soft Wash proportioners,Check Valve protects the water supply from harmful chemical backflow. Perfect replacement for cracked check valves that may be drawing air into your system. (Proportioner not included)


Soft Wash Proportioner Replacement Check Valve

In Stock
SKU: 22352
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Availability: In stock

1/2″ FNPT x 1/2″ FNPT Series 685 Polypropylene Check Valve with FKM Seals, 1/3 PSI Cracking Pressure & Hastelloy Spring
(Proportioner not included)
These 685 series check valves can be used for a wide range of air and fluid applications.

FKM seals
Hastelloy spring
High flow rate
Seat area open diameter: 0.438″
Positive seal at very low back pressure or slight vacuum
Cracking pressure: 1/3 psi
Check mechanism: Oring poppet
Maximum pressure: 125 psi
Maximum temperature: 140°F
Material: Polypropylene
Seal: FKM
Connection: FNPT x FNPT
Size: 1/2″
Weight: 0.08 lbs

Weight 1 lbs
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