- Valves 250 Degrees F, Max.
Temp. 4" Flanged Ductile Iron Wafer Check Valve Steam Pressure - Valves Not Rated, Seat Material Buna-N, Spring Material 316 Stainless Steel.Item - Check Valves Check Valve, Flow Design Single, Mechanism and Body Design Inline Wafer, Body Material - Valves Ductile Iron, Pipe or Tube Size 4 in, Connection Type Flange x Flange, Cracking Pressure 0.184 psi, Mounting Orientation Horizontal, Vertical, Seal Material Buna-N, Max.