... /2"-6"pvc ball valve,BS,ANSI,DIN,JIS standard ball valve, white color plastic ball valves Detailed Product DescriptionPlastic pvc ball ... Socket and Thread End.Widely used for irrigation,construction,water treatment,solar water system ,fountain...etc.1/2''-6''We have nice ... transport.6) Smooth inner wall, reducing pressure loss and increasing flow speed.7) Low noise, reduced by 40% compared to ...