... 1/2''-4'' 2.material:pvc 3.standard: JIS,DIN, BS,ANSI 4.application:agricultural irrigation etc. "ZOOR" New handle PVC ball valve (plastic ... ball valve, ball valve, PVC valve, check valve, water valve) description:1)Material: Good quality, new material of PVC2)Size: 1/2'',3 ... , aquaculture, agriculture, irrigation, industrialapplications, etc. to the drainage system. 1/2-4 plastic ball valve