Item - Check Valves Check Valve, Flow Design Single, Mechanism and Body Design Inline Swing, Body Material - Valves PVC, Pipe or Tube Size 1 1/2 in, Connection Type Solvent Weld x Solvent Weld, Mounting Orientation Horizontal, Vertical, Seal Material Rubber, Max. Temp. - Valves 130 Degrees F, Max. Water Pressure - Valves 50 psi @ 130 Degrees F, Max. Steam Pressure - Valves Not Rated, Seat Material PVC, Spring Material Stainless Steel, Full Flow - Valves Yes, Application - Valves Pumps WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Diisononyl phthalate (DINP)