Cast Steel Check Valve

Body Material: Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel, etc. Bolted Bonnet or Pressure Seal Bonnet Coating: Standard Paint Coating Design Prohibits Galling or Scoring of Seating Surfaces Large-sizes Are Provided With Lifting Rings for Easy Hoisting One-Piece Disc Construction Designed to Withstand Severe Service Conditions. Size Range: NPS 1-1/2” ~ 36” ; DN40 ~ DN900 Pressure Rating: Class 150 ~ Class 1500 ; PN10 ~ PN160 End Type: RF, FF, RTJ, BW