PVC butterfly valves 1,Dia 63-400mm 2,pressure 1.0mpa 3,color: ... :UPVC We are a professional Manufacturer of Irrigation Products, pvc butterfly valves, Thermal insulations, Seals, ELECTRIAL SULATION material, Plastic, Aluminum and Glass ... , prompt delivery and different products. Most of our products, pvc butterfly valves are widely distributed to more than 70 countries &. Areas. DIN ...