type ball valve size 20-110 material UPVC CPVC certification ISO14001/ ... -1998; ISO4422.2-1996Certification: ISO9001:2000; ISO14001:2004Advantage: Light weight, High strength, High flow capability, Easyinstallation, Endurable, Economic, Nontoxic, Corrosionresistance, Recyclable, Environment ... in our products, please do not hesitate to contact us. (handle type) pvc ball valve