1/4" FNPT x 1/4" FNPT Series 694 Polypropylene Check Valve w/ FKM Seals | 1/3 PSI Cracking Pressure & Hastelloy Spring

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Sale price$16.99 Regular price$18.99


Product Description

This 1/4" FNPT x 1/4" FNPT Series 694 Check Valve ensures a reliable seal with FKM seals and a pressure range of 1/3 PSI. The polypropylene body and Hastelloy spring make for a durable and long-lasting solution for 1/4" applications.

These 694 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
  • Check mechanism: Disc poppet
  • Cracking pressure: 1/3 psi
  • Maximum pressure: 125 psi
  • Maximum temperature: 140°F


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