Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Union Check Valve Body Material - Valves PVC Pipe or Tube Size 2 in Connection Type Compression x Compression Mounting Orientation Horizontal Vertical Seal Material Buna-N Max Temp - Valves 130 Degrees F Min Temp - Valves 75 Degrees F Max Water Pressure - Valves 125 psi Full Flow - Valves Yes Application - Valves Backwater Corrosives Length 9 3/4 in Standards CE CSA NSF UL