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SMC 426 Series Check Valves


Design Considerations

  • The 426 Check Valves incorporate a stainless ball that seals on a quad ring.

  • PVC body

  • Viton™, Buna-N or EPDM seals

  • 302 SS spring & 316 SS ball

  • Able to operate in any position

  • Not for vacuum

  • Cracking pressure 1 PSI

  • Maximum pressure: 125 PSI

  • Maximum temperature: 140°F

  • NSF listed


Specifications

Material

Gray PVC (Standard), White PVC;

Black Polypropylene, White Polypropylene;

Black Nylon, White Nylon;

MakroBlend

Black PVDF (Kynar®)

Inlet End

1/8"Barb, 1/4"Barb, 5/16"Barb, 3/8"Barb, 1/2"Barb

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

1/8"Female NPT, 1/4"Female NPT

3/8"BIB (Smooth Barb)

1/4"Push-to-Connect, 5/16"Push-to-Connect, 3/8"Push-to-Connect

1/8"JACO, 1/4"JACO (Not NSF 42 Certified)

Outlet End

1/8"Barb, 1/4"Barb, 5/16"Barb, 3/8"Barb, 1/2"Barb

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

1/8"Female NPT, 1/4"Female NPT

3/8"BIB (Smooth Barb)

1/4"Push-to-Connect, 5/16"Push-to-Connect, 3/8"Push-to-Connect

1/8"JACO, 1/4"JACO (Not NSF 42 Certified)

Seal Option

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

Spring Option:

Cracking Pressure and Material

302 Stainless: 1/3 PSI, 1 PSI (Standard), 1.5 PSI, 3 PSI, 5 PSI, 7 PSI, 10 PSI, 12 PSI or No Spring,

Hastelloy Spring: 1/3 PSI, 1 PSI, 3 PSI, 5 PSI, 12 PSI

Maximum Operating Pressure

125 PSI

Maximum Operating Temperature

140 °F

CONTACT US FOR MORE INFORMATION

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