Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Inline Spring Body Material - Valves PVC Pipe or Tube Size 3/8 in Connection Type Socket/Threaded x Socket/Threaded Cracking Pressure 2.000 to 3.000 psi Mounting Orientation Horizontal Vertical Seal Material EPDM Max Temp - Valves 140 Degrees F Max Steam Pressure - Valves Not Rated Seat Material EPDM Spring Material Stainless Steel Application - Valves General Purpose Length 4 1/8 in Width 1 31/32 in