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Middleeast valve is the top Control Valve Suppliers in UAE. We supply high-quality valves to a wide range of industries in Dubai, Abu Dhabi, Fujairah, and Khor Fakkan. Control valves are essential components in various industrial processes, playing a crucial role in regulating fluid flow, pressure, temperature, and level within a system.
How Control Valves Work?
Control valves modulate the flow of fluids by varying the size of the flow passage in response to signals from a controller. Here is a simplified process of how they work:
· Signal Reception: A control valve receives an input signal (electrical, pneumatic, or hydraulic) from a control system. This signal corresponds to the desired process variable, such as flow rate or pressure.
· Valve Positioning: An actuator, driven by the received signal, adjusts the position of the valve plug, disc, or ball within the valve body. This regulates the flow opening and thus the fluid flow.
· Feedback Mechanism: Many control valves include positioners or feedback systems to ensure accurate valve positioning based on the signal received.
By finely controlling the flow, control valves maintain system parameters within desired limits, ensuring process consistency.
Different Components of Control Valves:
A control valve comprises several key components, each contributing to its overall performance:
1. Valve Body
· The main structure housing the internal components.
· Determines the valve’s pressure rating and flow capacity.
2. Actuator
· Converts the control signal into mechanical motion to adjust the valve's position.
· Types include pneumatic, electric, or hydraulic actuators.
3. Trim
· Internal parts (seat, plug, stem) that directly control fluid flow.
· Precision-engineered to handle specific flow requirements.
4. Positioner
· Ensures the actuator moves the valve to the correct position based on the control signal.
· Enhances accuracy and response time.
5. Bonnet
· Encases the valve stem and provides a sealing mechanism to prevent leakage.
6. Seals and Gaskets
· Prevent fluid leakage between different parts of the valve.
7. Control Signal Interface
· Facilitates the reception and processing of input signals, ensuring seamless communication with the control system.
Control Valve Suppliers in UAE offer precise control over the flow rate of liquids or gases, ensuring optimal performance and efficiency in diverse applications such as oil and gas, chemical processing, power generation, and water treatment.
Control valve types:
lThree way control valve
lCage type control valve
lDouble seat control valve
lO type shutoff control valve
lSingle Seat control valve
lWater Control valve
lGlobe Control valve
lAngle type control valve
Description:
Available Materials: Ductile Iron, Cast iron(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:
lTorque: 3-9 Nm
lOperating Pressure: 8 Bar
lPort Connection: NPT 1/4"
lMounting Base: ISO 5211
lTemperature Range: -20°C to +80°C
Pneumatic Actuator Configuration:
l4-20 mA
lSingle Acting
lDouble Acting
lRotary
lScotch and Yoke
lPressure: Up to 228 bar
Temperature Ranges:
lStandard: -4°F to 200°F (-20°C to 93°C)
lLow: -40°F to 176°F (-40°C to 80°C)
lHigh: 0°F to 300°F (-18°C to 149°C)
Visit us: https://www.middleeastvalve.com/product-category/control-valve/
