Valve (Valve) is the control part of the fluid delivery system, with cut-off, regulation, diversion, prevent counterflow, pressure regulation, shunt or overflow pressure relief functions.
Valves for fluid control systems, from the simplest globe valves to the most complex automatic control systems used in all kinds of valves, its varieties and specifications are quite wide. Valves can be used to control the flow of air, water, steam, all kinds of corrosive media, mud, oil, liquid metal and radioactive media and other types of fluids. Valve according to the material is also divided into cast iron valve, cast steel valve, stainless steel valve (201, 304, 316, etc.), chromium molybdenum steel valve, chromium molybdenum vanadium steel valve, double phase steel valve, plastic valve, non-standard valve, etc.
Definition: A device used to control the direction, pressure and flow of a fluid in a fluid system. Valves are devices that allow the flow or stop of media (liquid, gas, powder) in piping and equipment and can control their flow. Valves can be used to control the flow of air, water, steam, all kinds of corrosive media, mud, oil, liquid metal and radioactive media and other types of fluids.
Valve is the control part of the pipeline fluid delivery system, it is used to change the channel section and medium flow direction, with diversion, cut-off, throttling, check, shunt or overflow pressure relief and other functions. Valves for fluid control, from the simplest globe valve to the most complex automatic control system used in all kinds of valves, its variety and specifications, the nominal diameter of the valve from the smallest instrument valve to the diameter of 10m industrial pipeline valves. Valve can be used to control water, steam, oil, gas, mud, all kinds of corrosive media, liquid metal and radioactive fluid and other types of fluid flow, valve working pressure from 0.0013MPa to 1000MPa ultra-high pressure, working temperature from -269℃ ultra-low temperature to 1430℃ high temperature. Valve control can use a variety of transmission modes, such as manual, electric, hydraulic, pneumatic, turbine, electromagnetic, electromagnetic hydraulic, electro-hydraulic, pneumatic, spur gear, bevel gear drive; In pressure, temperature or other form under the action of sensor signals, action, according to the requirement of the reservation or not depend on the sensor signals for simple open or shut down, rely on the drive or automatic mechanism makes opening and closing valve for lifting, sliding, place or rotary movement, so as to change the size of the port in order to realize the control function.
