China Valve - Factory, Suppliers, Manufacturers from China

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

Valve selection principles and valve selection steps

Valve selection principle The selected valve should meet the following basic principles. (1) Safety and reliability of petrochemical, power station, metallurgy and other industries require continuo...
What should be do during valve installation - Final

Today we continue to talk about valve installation precautions: Taboo 12 The specifications and models of the installed valve do not meet the design requirements. For example, the nominal pr...
Characteristics and Principle of balance Valves

Balance valve is a special function of the valve, it has a good flow characteristics, valve opening degree indication, opening degree locking device and for flow determination of the pressure measu...
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 ...
TWS valves – the connection between valves and pipes

The connection between the valve and the pipe The way in which the valve is connected to the pipe (1) Flange connection: Flange connection is one of the most common pipe connection methods. Gaskets...
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 ...