42 Butterfly Valve - China Manufacturers, Factory, Suppliers

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

16 Principles In Valve Pressure Testing

Manufactured valves must undergo various performance tests, the most important of which is pressure testing. Pressure test is to test whether the pressure value that the valve can withstand meets t...
What does the CV value mean? How to select a control valve by Cv value?

In valve engineering, the Cv value (Flow Coefficient) of the control valve refers to the volume flow rate or mass flow rate of the pipe medium through the valve per unit time and under the test con...
What Are The Most Widely Used Areas Of The Valve

Valves in the various industries in a wide range of applications, mainly in the petroleum, petrochemical, chemical, metallurgy, electric power, water conservancy, urban construction, fire, machiner...
Do you understand the six taboos of valve installation?

Valve is the most common equipment in chemical enterprises. It seems easy to install valves, but if not following the relevant technology, it will cause safety accidents. Today I would like to shar...
UL in Valves

I. What is UL certification? Why does the valve need it? UL (Underwriters Laboratories) is a world-renowned independent safety certification organization. In the North American market, UL certifica...
Applicable occasions for butterfly valve

Butterfly valves are suitable for pipelines that transport various corrosive and non-corrosive fluid media in engineering systems such as coal gas, natural gas, liquefied petroleum gas, city gas, h...