type ball valve size 20-110 material UPVC CPVC certification ISO14001/9001 pvc ball valveStyle ball valveMedia: WaterMaterial: UPVC CPVCConnection: Gluing, Solvent Joint ... -1998; ISO4422.2-1996Certification: ISO9001:2000; ISO14001:2004Advantage: Light weight, High strength, High flow capability, Easyinstallation, Endurable, Economic, Nontoxic, Corrosionresistance, Recyclable, Environment ...