The wafer dual plate check valve is also a type of check valve with a rotary actuation, but it is a double disc and closes under the action of a spring. The disc is pushed open by bottom-up fluid, ...
Dual plate check valves and rubber-sealed swing check valves are two important components in the field of fluid control and regulation. These valves play a vital role in preventing fluid back flow ...
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 ...
There are often friends who do not understand the relationship between the specifications of “DN”, “Φ” and “”". Today, I will summarize the relationship between ...
What is “inch”: Inch (“) is a common specification unit for the American system, such as steel pipes, valves, flanges, elbows, pumps, tees, etc., such as the specification is 10...
The difference between domestic valves and imported valves is mainly reflected in the following aspects:
1. Materials and processes:
Imported valves: usually selected raw materials, such as sta...