compact pvc ball valves UPVC Ball valve,Gate valve Foot valve,Union valve, Check valve,Butterfly valve,Diaphragm valve High Quality compact pvc ball valvesdin pn16 ... Ball valve, Octagonal ball valve,Gate valve,Foot valve,Union valve,Check valve,Butterfly valve,Diaphragm valve--etc.3)They are widely used in irrigation,industrial areas. ... Don't miss us! compact pvc ball valves, ball valve handle lever