2023-12-12

Overview of valves


Valves are pipeline accessories used to open and close pipelines, control flow, regulate and control the parameters of the transport medium (temperature, pressure and flow). According to its function, it can be divided into shut-off valves, check valves, regulating valves and so on.
Valve is a fluid delivery system in the control components, with a cut-off, regulation, infusion, to prevent backflow, pressure regulation, shunt or overflow pressure relief and other functions. Valves used in fluid control systems, from the simplest shut-off valve to the extremely complex self-control system used in a variety of valves, its varieties and specifications are quite numerous.
Valves can be used to control the flow of various types of fluids such as air, water, steam, corrosive media, slurry, oil, liquid metals and radioactive media. 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, duplex steel valves, plastic valves, non-standard custom valves and so on.