The 9th China Environment Expo was held in Guangzhou from September 17 to 19 at Area B of the China Import and Export Fair Complex. As Asia’s flagship exhibition for environmental governance,...
Working Principle of Backflow Preventer
TWS backflow preventer is a mechanical device designed to prevent the reverse flow of contaminated water or other media into a potable water supply system or...
The 14th Shanghai International Pump, Pipe and Valve Exhibition (referred to as: Shanghai International Pump and Valve Exhibition) will be held grandly at the Shanghai National Convention and Exhib...
We’re thrilled to announce that our company will be participating in the 9th China Environmental Expo Guangzhou from September 17th to 19th, 2025! You can find us at the China Import and Expo...
Valve foundation
1. The basic parameters of the valve are: nominal pressure PN and nominal diameter DN
2. Basic function of the valve: cut off the connected medium, adjust the flow rate, and change...
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...