3/4" FNPT x 3/4" FNPT Series 687 Polypropylene Check Valve with FKM Seals, 1/3 PSI Cracking Pressure & Hastelloy Spring

3/4" FNPT x 3/4" FNPT Series 687 Polypropylene Check Valve with FKM Seals, 1/3 PSI Cracking Pressure & Hastelloy Spring

Item 22657

13.94/Each

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5% off at 12+	13.243/Each
10% off at 24+	12.546/Each
15% off at 72+	11.849/Each

Overview

These 687 series check valves can be used for a wide range of air and fluid applications.

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: 22657

Catalog Page Number: P-467

Manufacturer: SMC

Manufacturer Part #: 6870490

Country of Origin: USA

Tech Specs

Material: Polypropylene

Seal: FKM

Connection: FNPT x FNPT

Size: 3/4"

Weight: 0.11 lbs

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

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