Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Inline Swing Body Material - Valves PVC Pipe or Tube Size 3 in Connection Type Compression x Compression Mounting Orientation Horizontal Vertical Seal Material Buna-N Max Temp - Valves 130 Degrees F Max Water Pressure - Valves 125 psi @ 75 Degrees F Max Steam Pressure - Valves Not Rated Seat Material PVC Full Flow - Valves Yes Application - Valves Pumps Length 14 in Width 7 in Overall Height 18 in