1/4" FNPT x 1/4" FNPT Series 694 Polypropylene Check Valve with Buna-N Seals, 1/3 PSI Cracking Pressure & 302 SS Spring

Item #: 22638

$7.28/Each

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12-23$6.92Save 5%
24-71$6.55Save 10%
72+$6.19Save 15%

Overview

These 694 series check valves can be used for a wide range of air and fluid applications.

  • Polypropylene
  • Buna-N seals
  • 302 SS 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: 22638
Catalog Page Number: P-447
Manufacturer: SMC
Manufacturer Part #: 6940090
Country of Origin: USA

Tech Specs

Material: Polypropylene
Connection: FNPT x FNPT
Size: 1/4"
Seal: Buna-N
Weight: 0.05 lbs
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

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