3/8" FNPT x 3/8" FNPT Series 693 Black Polypropylene Check Valve with FKM Seals, 1/3 psi Cracking Pressure & Hastelloy® Spring

3/8" FNPT x 3/8" FNPT Series 693 Black Polypropylene Check Valve with FKM Seals, 1/3 psi Cracking Pressure & Hastelloy® Spring

Item 22642

13.18/Each

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Overview

The 693 Series offers reliable backflow prevention in compact installations using 3/8" NPT connections and a Cv of 4.2. With an FKM seal and a Hastelloy® spring, including a disc poppet, it has a cracking pressure of 1/3 psi. This series suits low-pressure chemical, air, and fluid systems, especially when space is limited.

Polypropylene
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: Disc poppet
Maximum pressure: 125 psi
Maximum temperature: 140°F

Item Information

Item Number: 22642

Catalog Page Number: P-529

Manufacturer: SMC

Manufacturer Part #: 6930790

Country of Origin: USA

Tech Specs

Material: Polypropylene

Seal: FKM

Connection: FNPT x FNPT

Size: 3/8"

Weight: 0.04 lbs

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

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