... "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 ... )Each valve have been done pressure test in the factory, so the leakage rate is low.5)Quality: after high temperature, ... , aquaculture, agriculture, irrigation, industrialapplications and so on. blue plastic octagonal ball valve