4" Type 57 Butterfly Valve with FKM Seat

Item #: 21312

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These Type 57 Valves have a spherical disc design that offers increased Cv, ultimate sealing and high cycle life.

  • PVC body
  • Polpropylene disc
  • FKM seals
  • 316/403 stainless steel shaft
  • Non-wetted shaft has full engagement over the entire length of the disc
  • Superior corrosion resistance
  • Flange stopper prevents over-compressing liners due to improper installation
  • ISO bolt circle on top flange - no body or stem modifications required for accessories
  • Maximum pressure: 150 psi
  • NSF 61 certified

Item Information

Item Number: 21312
Catalog Page Number: P-460
Manufacturer: Asahi/America®
Manufacturer Part #: 173731040
Country of Origin: USA

Tech Specs

Weight: 5.5 lbs
WARNING: Cancer - www.P65Warnings.ca.gov

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