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Pneumatic Control Valve

A pneumatic control valve is a type of control valve that is operated using compressed air or gas. It is used to control the flow of fluids, gases or steam in various industrial processes. A pneumatic control valve is a complex system that includes several components or parts that work together to control the flow of fluid or gas in a process. They work by using an actuator that converts the energy from the compressed air or gas into mechanical force that moves the valve stem, which in turn opens or closes the valve. The actuator is connected to the valve body and contains a diaphragm, piston or other mechanism that moves the valve stem. These valves are used in a wide range of industries and applications where precise control of flow rate, pressure, and temperature is required. Overall, these valves are a widely used type of control valve that offer reliable and precise control of process parameters in a variety of industrial applications. The type of pneumatic control valve used will depend on the specific application requirements, such as the flow rate, pressure, temperature, and type of fluid or gas being controlled.

Advantage of pneumatic control valve

  • Pneumatic control valves can respond quickly to changes in the process conditions, allowing for precise control of flow rates and pressure.
  • Pneumatic control valves are highly reliable and can operate in harsh environments, making them suitable for use in industrial applications.
  • Pneumatic control valves are relatively easy to maintain and repair, as the actuators and other components can be easily replaced or serviced.
  • Pneumatic control valves can be used to control a wide range of process parameters, including flow rates, pressure, temperature, and level.


  • Pneumatic control Ball valve
  • Pneumatic control Butterfly valve
  • Pneumatic control Diaphragm valve
  • Pneumatic control Needle valve
  • Pneumatic control Pressure relief valve
  • Pneumatic control Globe valve

Industrial applications and uses

  • Oil and gas industry: Pneumatic control valves are used in various processes such as refining, production, and transportation of oil and gas. They help to control the flow of fluids and gases, and maintain pressure and temperature.
  • Chemical industry: Pneumatic control valves are used in chemical processing to regulate the flow of chemicals, such as acids, alkalis, and solvents. They are also used in mixing and blending processes.
  • Water and wastewater treatment industry: Pneumatic control valves are used in water and wastewater treatment to regulate the flow of water and chemicals, such as chlorine and fluoride, to ensure proper treatment and disinfection.
  • Power generation industry: Pneumatic control valves are used in power plants to control the flow of steam and water, and maintain pressure and temperature in boilers and other equipment.


  • Size- Availability: 120 to 700cm2
  • Travel rate – 7.5 to 30 mm
  • Thrust- 0.72 to 27 kN
  • Options- Handwheel, Travel Stop, Fire Lock
  • Operations-Pneumatic control valve, Electro pneumatic control valve
  • Size – 1/2” to 24”
  • Standards- DIN, API, ASME, JIS, GOST,
  • Class- PN10 to PN450, ANSI 150 To 2500
  • End Connection- Socket weld, butt weld, flanged, threaded
  • Materials- Cast Iron, Cast Steel (WCB, WC6, LCB, WCC, LCC, WC9), Ductile Iron, Stainless Steel (SS304, SS316, CF8, CF8M)