Middleeast Valve is one of the best Control valve supplier in UAE. We supply high-quality valves to a wide range of industries in Dubai, Abu Dhabi, Fujairah, and Khor Fakkan. It is a mechanical device used to regulate the flow of fluid (liquids or gases) through a pipe or duct by adjusting the size of the flow passage.
A control valve operates based on the principle of changing the flow area through which the fluid passes, thus altering the flow rate. The valve consists of several components:
1)Actuator: The actuator is responsible for moving the valve's internal components to adjust the flow area. There are different types of actuators, such as pneumatic, electric, or hydraulic, which convert the control signal from the process control system into physical movement.
2)Valve Body: The valve body houses the internal components and contains the flow passage. The flow passage can be constricted or expanded using various mechanisms.
3)Valve Trim: The valve trim includes components like the valve plug, seat, and other elements that come into contact with the fluid. The shape and arrangement of the trim components determine the flow area and therefore the flow rate through the valve.
4)Positioner: In some cases, control valves are equipped with positioners. These devices help to precisely position the valve based on the control signal received from the process control system, ensuring accurate control over the fluid flow.
The working process involves the following steps:
1)The process control system measures the relevant process variable, such as pressure, temperature, or flow rate.
2)The control system compares the measured value to the desired setpoint and calculates the required adjustment.
3)The control system sends a control signal to the valve actuator.
4)The actuator responds to the control signal by moving the valve's internal components. This adjusts the flow area, which in turn changes the flow rate of the fluid.
5)As the flow rate changes, the process variable also changes.
6)The control system continuously monitors the process variable and adjusts the valve position as needed to maintain the desired setpoint.
Middleeast Valve is a reputed Control valve supplier in UAE and are used to manage the flow of fluids in response to signals from process control systems, which measure the relevant variables and send commands to the valve to adjust its position accordingly.
Description:
Available Materials: Ductile Iron Control Valve, Cast iron Control Valve(WCB, WCC, WC6) LCC, LCB, Stainless Steel (SS316, SS304), Super Duplex (F51, F53, F55)
Class: 150 to 2500
Nominal Pressure: PN10 to PN450
Medium: Air, Water, Chemical, Steam, Oil
Operations: Electric actuated and Pneumatic actuated
Size: 1/2”- 24”
Ends: Flanged, butt weld, socket weld, threaded
Electric actuator details:
1)Torque – 3 – 9 nm
2)Operating pressure- 8 Bar
3)Port Connection-NPT1.4”
4)Mounting Base-ISO5211
5)Temperature--20°C - +80°C
Configuration of a Pneumatic Actuator:
1)4-20 amp
2)Pneumatic single acting actuators
3)Pneumatic double acting actuators
4)Pneumatic rotary actuators
5)Pneumatic Scotch and Yoke actuators
6)Pressure: 228 bar
Temperature:
1)Standard -4°F to 200°F (-20°C to 93°C)
2)Low -40°F to 176°F (-40°C to 80°C)
3)High 0°F to 300°F (-18°C to 149°C)
Control valve types:
1)Threeway control valve
2)Cage type control valve
3)Double seat control valve
4)O type shutoff control valve
5)Single Seat control valve
6)Water Control valve
7)Globe Control valve
8)Angle type control valve
Control valve industries:
1)Oil and Gas Industry
2)Pipeline Industry
3)Marine Industry
4)Power Industry
5)Nuclear Industry
6)Mining Industry
7)Chemical Industry
8)Petrochemical Industry
9)Steam ServicesIndustry
Visit us: https://www.middleeastvalve.com/product-category/control-valve/
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