China Drill Rod and Drill Pipe - Manufacturers, Suppliers, Factory from China

China Drill Rod and Drill Pipe, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

TWS Y-Strainer

Do you need reliable and high-quality valves for your water system? Tianjin Tanggu Water Seal Valve Co., Ltd. is a famous valve manufacturer in Tianjin. With our own TWS brand and extensive industr...
What Are The Most Widely Used Areas Of The Valve

Valves in the various industries in a wide range of applications, mainly in the petroleum, petrochemical, chemical, metallurgy, electric power, water conservancy, urban construction, fire, machiner...
Why do gate valves require upper sealing devices?

When the valve is fully open, a sealing device that prevents the medium from leaking to the stuffing box is called the upper sealing device. When the gate valve, globe valve and throttle valve are ...
Selection conditions of electric and pneumatic butterfly valve

The advantages and uses of the electric butterfly valve have： Electric butterfly valve is a very common pipeline flow regulation device, which is widely used and involves many fields, such as the ...
Classification of Rubber sealing Check Valves

Rubber Sealing Check valves can be classified according to their structure and installation method as follows: Swing Check Valve: The disc of a swing check valve is disc-shaped and rotates around t...
Knowledge on Flange Static Balancing Valve

Knowledge on Flange Static Balancing Valve Tianjin Tanggu Water-Seal Valve Co., Ltd Tianjin，CHINA 26th，June，2023 Web:www.water-sealvalve.com To ensure static hydraulic balance across whole water...