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

$21.99
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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

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