1. Type:Foot valve Intake 2. Size:6mm-2000mm 3.Material: cast iron ... ,BS,DIN,NF,JIS,JB,GB TypeProduct6mm-2000mm Foot Valve Intake in Water ProjectValve,Foot valve,Bottom valve,Flush bottom valvesSize6mm-2000mm ... ,2G1StandardAPI,ANSI,BS,DIN,NF,JIS,JB,GBApplicationwater, oil,air ,steam,etc Bottom valve is an energy-saving valve,which is ...