Pneumatic butterfly valve plays an important role in our life, is to use the circular butterfly plate rotating with the valve stem to do the opening and closing, in order to realize the pneumatic v...
You’ll find the valve body between the pipe flanges as it holds the valve components in place. The valve body material is metal and made from either carbon steel, stainless steel, titanium alloy, n...
1. Clarify the purpose of the valve in the equipment or device
Determine the working conditions of the valve: the nature of the applicable medium, the working pressure, the working temperature and ...
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...
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...
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 ...