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
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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