0625502 (Watts) | 3 Inch | Cast Iron Wafer Check ValveThis Cast Iron Wafer Check Valve, Watts 3 Inch Model ICV 125 2 2 T, is Used in Commercial And Industrial HVAC Applications to Prevent Water Hammer And Reverse Fluid Flow in Water Lines. It Features a Cast Iron Body With Aluminum Bronze Disc Plate, Buna N Seat, Ptfe Bearings, Stainless Steel Hinge And Stop Pins, Steel Plug And Eye Bolt, And Stainless Steel Springs. The Maximum Pressure is 200 Psi. Watts 0625502