1/2" FNPT x 1/2" FNPT Series 685 Polypropylene Check Valve with FKM Seals, 1/3 PSI Cracking Pressure & Hastelloy Spring - Pressure Washing Skids
1/2" FNPT x 1/2" FNPT Series 685 Polypropylene Check Valve with FKM Seals, 1/3 PSI Cracking Pressure & Hastelloy Spring - Pressure Washing Skids

Polypropylene Soft Wash Check Valve with FKM Seals, 1/3 PSI Cracking Pressure & Hastelloy Spring

Regular price $22.00
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1/2" FNPT x 1/2" FNPT Series 685 Polypropylene Check Valve with FKM Seals, 1/3 PSI Cracking Pressure & Hastelloy Spring - Pressure Washing Skids

Polypropylene Soft Wash Check Valve with FKM Seals, 1/3 PSI Cracking Pressure & Hastelloy Spring

Product description
Product description

Soft wash mixer check valve with bleach resistant upgraded springs that work better than stainless springs 

These 685 and 687 Series Polypropylene Check Valves with FKM Seals 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: 1/2" O-Ring poppet, 3/4" Disc Poppet
  • Maximum Pressure: 125 psi
  • Maximum Temperature: 140°F

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