When it comes to ensuring smooth and efficient operation of pipelines and systems, check valves play a vital role in preventing backflow and maintaining the desired flow direction. There are many t...
Valves are fundamental control devices widely used in engineering systems to regulate, control, and isolate the flow of fluids (liquids, gases, or steam). Tianjin Water-Seal Valve Co., Ltd. provide...
How check valve works
The check valve is used in the pipeline system, and its main function is to prevent the backflow of the medium, the reverse rotation of the pump and its driving motor, and the...
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, ...
The initial stage of the valve industry (1949-1959)
01Organize to serve the recovery of the national economy
The period from 1949 to 1952 was the period of my country’s national economic reco...
The sealing performance of the valve is one of the main indexes to evaluate the valve quality. The sealing performance of the valve mainly includes two aspects, namely, internal leakage and externa...