Keystone Wafer Butterfly Valve - Manufacturers, Suppliers, Factory from China

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

Features of rubber-seated gate valves

For a long time, the general gate valve used in the market generally has water leakage or rust, the use of European high-tech rubber and valve manufacturing technology to produce the elastic seat s...
How to Install a Butterfly Valves.

Clean the pipeline of all contaminants. Determine the direction of the fluid, torque as flow into the disc may generate higher torque than flow into the shaft side of the disc Position disk in the...
Introduction to the structure length of butterfly valve EN558-1

EN 558-1 is a European standard that specifically specifies the face-to-face (FTF) and center-to-face (CTF) dimensions of metal valves in flanged piping systems, and is mainly applicable to valves ...
TWS Backflow Preventer

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...
TWS at IFAT Munich 2026 – Join us for the global water industry event.

The Munich Environmental Expo (IFAT) was founded in 1966. It is the world’s leading professional environmental protection trade fair. It has obtained UFI international certification and is kn...
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...