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All Categories > Check Valves: Plastic 
 

Check Valves: Plastic
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695 Group Photo

695 SERIES BALL CHECK VALVE

  • The 695 Series Ball Check Valve incorporates a stainless ball that seals on an o-ring seat.
  • The 695 Series Check Valve maximum operating pressure of 125 psi covers a wide range of air and fluid applications.
  • The 695 Check is a compact design with a light cracking pressure and a positive seal at low back pressure....

426 Group Photo

426 SERIES BALL CHECK VALVE

  • Gray PVC with 1 psi stainless spring and ball is the standard configuration.
  • Most PVC wand White Filled Polypropylene configurations are available as NSF Standard 42 Certified. 
  • Nylon, PVDF (Kynar®) and Glass Filled Polypropylene are available for chemical resistance applications.
  • MakroBlend is an NSF Standard 51 Approved Material. ...

426 Group Photo

427 SERIES POPPET CHECK VALVE

  • The 427 Series Check incorporates a plastic poppet that seals on a quad ring.
  • The 427 Check poppet option works best in applications that see consistent working pressure at the high end of the Maximum Operating Pressure range.
  • Nylon, PVDF (Kynar®) and Glass Filled Polypropylene are available for chemical resistance applications.
  • ...

426 Foot Valve

426 SERIES FOOT VALVE

  • The 426 Foot Valve Inlet End is a 3/8” Hose Barb with a 40 Mesh Stainless Suction Strainer screen installed.
  • Gray PVC with 1 psi stainless spring and ball is the standard configuration. 
  • Nylon, PVDF (Kynar®) and Glass Filled Polypropylene are available for chemical resistance applications.
  • MakroBlend is an NSF Standard 51 Approved Material. ...

694 Flow Restrictor Valve

694 SERIES POPPET CHECK VALVE

  • The 694 Series 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.
  • ...

693-Group-Photo

693 SERIES POPPET CHECK VALVE

  • The 693 Series 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.
  • The 693 Series Check Valve maximum operating pressure of 125 psi covers a wide range of air and fluid applications.
  • The 693 ...

685 Group Photo

685 SERIES POPPET CHECK VALVE

  • The 685 Series 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.
  • The 685 Series Check Valve maximum operating pressure of 125 psi covers a wide range of air and fluid applications.
  • The 685 ...

687 Flow Restrictor Valve

687 SERIES POPPET CHECK VALVE

  • The 687 Series 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.
  • The 687 Series Check Valve maximum operating pressure of 125 psi covers a wide range of air and fluid applications.
  • The 687 ...