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SMC 406 Series Poppet Check Valves


Design Considerations

  • The 406 Check Valves incorporate a plastic poppet with an embedded o-ring that sealson the seat

  • Designed for Cracking Pressure down to 0.1 psi

  • Polypropylene, Nylon, PVDF (Kynar®) are available for chemical resistance applications

  • Standard colors are Natural (Translucent/White) for the Inlet End, Black for the Outlet End

  • Alternate Colors are available on volume quote basis

  • Hastelloy® is a superior chemically resistant spring material


Specifications

Material

White Polypropylene/Black Polypropylene

Natural Nylon/Black Nylon

Black PVDF (Kynar®)

Inlet End

1/8"Barb, 3/16"Barb, 1/4"Barb, 5/16"Barb, 3/8"Barb

1/8"Male NPT, 1/4"Male NPT

1/4"Push-to-Connect, 3/8"Push-to-Connect

Outlet End

1/8"Barb, 3/16"Barb, 1/4"Barb, 5/16"Barb, 3/8"Barb

1/8"Male NPT, 1/4"Male NPT

1/4"Push-to-Connect, 3/8"Push-to-Connect

Seal Option

Buna-N, Ethylene Propylene, Fluoroelastomer (Viton®)

*** Please ask us about Seal Materials not listed above. ***

Spring Option:

Cracking Pressure and Material

302 Stainless: 0.1 PSI, 0.25 PSI, 0.65 PSI, 1 PSI, 1.5 PSI, 2 PSI,

3 PSI

*** Please ask us about Hastelloy® Spring Material. ***

Cv

0.4 with 1/4"Barb Ends

Maximum Operating Pressure

125 PSI

Maximum Operating Temperature

140 °F

CONTACT US FOR MORE INFORMATION

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