WWVT200903 (Watts) | 2 1/2 In Globe Pressure Reducing Valve | Class 150 Flanged | Epoxy Coated | Isolation CocksThis 2 1 2 Inch Globe Pattern Class 150 Flanged Epoxy Coated Pressure Reducing Control Valve, Model 115, is Designed to Automatically Reduce a Fluctuating Higher Inlet Pressure to a Constant Lower Downstream Pressure Regardless of Varying Flow Rates. The Quick Closing Action of The Valve Limits Possible Damaging High Inlet Pressure From Passing Through The Valve to Downstream Piping, Isolation Cocks. Watts WWVT200903