... BS, ANSI, DIN, JIS "ZOOR" New handle PVC ball valve (plastic ball valve, ball valve, PVC valve, check valve, water valve) description:Technical characteristics:1)Easy to install, easy to ... small.4)No vibration, and no noise.5)Each valve is pressure tested at the end after the factory, ... aquaculture, agriculture, irrigation, industrialapplications, etc. to the drainage system. compact plastic ball valve