Lever Butterfly Valve - Manufacturers, Suppliers, Factory from China

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

Valve selection principles and valve selection steps

1. 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 cont...
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...
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...
Four taboos for valve installation

1. Hydrstatic test at negative temperature during construction in winter. Consequences: because the tube freezes quickly during the hydraulic test, the tube is frozen. Measures: try to carry out hy...