Comparison : Item # 1228, 1/2 Inch (in) Pipe Size, 900 Nominal Pressure Class, and 3D Size Angle Pattern Check Valve
Item # 1229, 3/4 Inch (in) Pipe Size, 900 Nominal Pressure Class, and 5E Size Angle Pattern Check Valve
Item # 1230, 1 Inch (in) Pipe Size, 900 Nominal Pressure Class, and 5F Size Angle Pattern Check Valve
Item # 1231, 1 1/4 Inch (in) Pipe Size, 900 Nominal Pressure Class, and 5G Size Angle Pattern Check Valve
Item # 1232, 1 1/2 Inch (in) Pipe Size, 900 Nominal Pressure Class, and 7H Size Angle Pattern Check Valve