Tieling Water Valve CO.,Ltd Is one of the key enterprises after the former Tieling Valve Works was reformed. It is the largest low pressure big diameter valve, penstock manufacturing base. It has a history of more than 70 years , it is named as advanced new and high-tech enterprise. The main products : butterfly valve, gate valve, check valves, air release valve, rotating strainer,comb type cleaning machine, grating, steel penstock, cool and hot isolating gate, guarding gate, regulating shrinkage hole, inserting gate; the suitable medium: clean water, sewage water, sea water,air, high temperature stove air, gas, steam and different acid and alkali liquid; suitable temperature: -40℃ to 600℃;suitable pressure: 0.01Mpa~2.5Mpa;Nominal diameter:DN50-DN3000, actuating methods: manual, motor,pneumatic,hydraulic, motor& hydraulic. According to the customer's requirements we can design and manufacture the products conforming to GB,JB,ISO,DIN,BS,API,ANSI. The products are widely used in water power plant, thermal power plant, water plant(city water supplying and distributing), sewage treatment plant,gas, airline, metallic, petroleum and chemical, mine, water power.