Double Flange Concentric Butterfly valve - Manufacturers, Factory, Suppliers from China

Double Flange Concentric Butterfly valve, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

2018 PCVEXPO Exhibtion in Russia

TWS Valve will attend the 2018 PCVEXPO Exhibtion in Russia The 17th International Exhibition PCVExpo / Pumps, Compressors, Valves, Actuators and Engines. Time: 23 – 25 October 2018 • Mosc...
How to Select Valve Body for Rubber Seated Butterfly Valve

You’ll find the valve body between the pipe flanges as it holds the valve components in place. The valve body material is metal and made from either carbon steel, stainless steel, titanium alloy, n...
Valve castings are prone to produce defects

1. The stomata This is a small cavity formed by the gas that the metal solidification process does not escape inside the metal. Its inner wall is smooth and contains gas, which has a high reflectiv...
Flow rate gauges commonly used for various media

The flow rate and velocity of the valve mainly depend on the diameter of the valve, and are also related to the resistance of the structure of the valve to the medium, and at the same time have a c...
TWS Spring Festival Holiday(February 12 to February 22)

TWS Valve Factory Will Close several days from February 12 to February 22 to celebrate our Spring Festival,We will back then and during the holidays,There maybe some delay for reply your emails,Hop...
Many steps in the assembly process

Many steps in the assembly process Tianjin Tanggu Water-Seal Valve Co., Ltd (TWS Valve Co., Ltd) Tianjin，CHINA 10th，July，2023 First of all, the first step is that the valve shaft should be paire...