SMC Polypropylene Check Valve 3/4 Inch Female Pipe Thread to 3/4 Inch Female Pipe Thread

Item No. P857086
SMC Polypropylene Check Valve 3/4 Inch Female Pipe Thread to 3/4 Inch Female Pipe Thread A thin elastomer disc with a poppet sealing on the seat supports the SMC 685 series Poppet Check Valve. Pressure on the direction of flow moves the seal off the seat at about 1/3 psi before pressure builds up
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Description
SMC Polypropylene Check Valve 3/4 Inch Female Pipe Thread to 3/4 Inch Female Pipe Thread

A thin elastomer disc with a poppet sealing on the seat supports the SMC 685 series Poppet Check Valve. Pressure on the direction of flow moves the seal off the seat at about 1/3 psi before pressure builds up enough to move the poppet away from the seat maximum. Operating pressure of 125 psi covers a wide range of applications for air and fluid.


~The 687 Poppet Check Valve incorporates a thin elastomer disc supported by a poppet that seals on the seat
~Pressure in the flow direction moves the seal off the seat at about 1/3 psi before pressure builds enough to move the poppet away from the seat
~Maximum operating pressure of 125 psi covers a wide range of air and fluid applications
~Compact design with a light cracking pressure, high flow rate, and a positive seal at very low back pressure or slight vacuum
~An embedded O-Ring Poppet is supplied for cracking pressure applications 1/2 psi and higher
~Hastelloy® is a superior chemically resistant spring material

Mfr Catalog No. 687-12F12F-B
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