What is a valve

The valve is used to open and close the pipeline, control the flow direction, adjust and control the parameters of the transmission medium (temperature, pressure and flow) pipeline accessories. According to its function, it can be divided into shutoff valve, check valve, regulating valve, etc.

The valve is the control part in the fluid conveying system, which has the functions of cut-off, regulation, diversion, countercurrent prevention, pressure stabilization, diversion or overflow relief, etc. Valves for fluid control systems range from the simplest globe valves to those used in the most complex automation systems.

Valves can be used to control the flow of air, water, steam, corrosive media, mud, oil, liquid metal and radioactive media and other types of fluid. Valves according to the material is also divided into cast iron valves, cast steel valves, stainless steel valves (201, 304, 316, etc.), chromium molybdenum steel valves, chromium molybdenum vanadium steel valves, double-phase steel valves, plastic valves, non-standard custom valves.