2.5 Inch Butterfly Valve Exporter - China Manufacturers, Factory, Suppliers

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

A small guide for daily maintenance of valves

Valves are not only widely used in various industries, but also use different environments, and some valves in harsh working environments are prone to problems. Since valves are important equipment...
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...
Practical knowledge of valves

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...
Butterfly valve installation precautions

1. Clean the sealing surface of the butterfly valve and the dirt in the pipeline. 2. The inner port of the flange on the pipeline must be aligned and press the rubber sealing ring of the butterfly ...
Applications of butterfly valves and gate valves under different working conditions

Gate valves and butterfly valves are used as switches to regulate the flow rate in pipeline use. Of course, there are still methods in the selection process of butterfly valves and gate valves. In ...
Development History of China's Valve Industry (3)

The continuous development of the valve industry (1967-1978) 01 Industry development is affected From 1967 to 1978, due to the great changes in the social environment, the development of the valve ...