Principle Backflow Preventer - Factory, Suppliers, Manufacturers from China

Principle Backflow Preventer, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

Sand casting of valves

Sand casting: Sand casting commonly used in the valve industry can also be divided into various types of sand such as wet sand, dry sand, water glass sand and furan resin no-bake sand according to ...
The characteristic of butterfly valves from TWS Valve

Butterfly valves are important components in all walks of life, and Butterfly Valve will surely take the market by storm. Designed for superior performance, this valve combines the latest composite...
The classification and working principle of the butterfly valve

There are many kinds of butterfly valves, and there are many classification methods. 1. Classification by structural form (1) concentric butterfly valve; (2) single-eccentric butterfly valve; (3) d...
Valve as a tool has been born for thousands of years

The valve is a tool used in the transmission and control of gas and liquid with at least a thousand years of history. At present, in the fluid pipeline system, the regulating valve is the control e...