Manual Butterfly Valve - China Factory, Suppliers, Manufacturers

Manual Butterfly Valve, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

TWS Valve Wish You A Merry Chirstmas!

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...
History of the Development of China's Valve Industry (2)

The initial stage of the valve industry (1949-1959) 01Organize to serve the recovery of the national economy The period from 1949 to 1952 was the period of my country’s national economic reco...
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...
What are the disadvantages of wafer check valves?

The wafer dual plate check valve is also a type of check valve with a rotary actuation, but it is a double disc and closes under the action of a spring. The disc is pushed open by bottom-up fluid, ...
TWS 2-Day Tour: Industrial Style and Natural Fun

From August 23 to 24, 2025, Tianjin Water-Seal Valve Co., Ltd. successfully held its annual outdoor “Team Building Day.” The event took place at two scenic locations in Jizhou District,...
Introduction of valve sealing materials---TWS Valve

Valve sealing material is an important part of valve sealing. What are the valve sealing materials? We know that valve sealing ring materials are divided into two categories: metal and non-metal. T...