What is corrosion of butterfly valves?
Corrosion of butterfly valves is usually understood as the damage of the metal material of the valve under the action of chemical or electrochemical environme...
In the 30s, the butterfly valve was invented in United States, introduced to the Japan in the 50s, and was widely used in Japan in the 60s, and it was promoted in China after the 70s. At present, b...
As the holiday season approaches, TWS Valve would like to take this opportunity to extend our warmest wishes to all our customers, partners and employees. Merry Christmas to everyone at TWS Valve! ...
Grinding is a commonly used finishing method for the sealing surface of valves in the manufacturing process. Grinding can make the valve sealing surface obtain high dimensional accuracy, geometric ...
The Chirstmas Day is Approaching~
We TWS Valves International sales department here, Get together and Wish you a Merry Chirstmas and Happy new year!
Thanks for your suppor for this year and we Wi...
Hard sealed butterfly valve:
Butterfly valve hard seal refers to: the two sides of the sealing pair are metal materials or hard other materials. This seal has poor sealing properties, but it has hi...