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HT-Pneumatic Butterfly Valve
Flanged Butterfly Valve with Pneumatic Actuator
Pneumatic Butterfly Valve Introduction
Pneumatic control valves are all kinds of pneumatic components that control the pressure, flow and flow direction of airflow in pneumatic systems and ensure the normal operation of pneumatic actuators or agencies. It is a type of valve that uses a circular disc or plate, known as the butterfly, to control the flow of fluid through the valve.
Pneumatic Butterfly Valve Principle
The working principle of a pneumatic butterfly valve is relatively simple. The valve consists of a circular disc or plate, known as the butterfly, that rotates around a central axis to control the flow of fluid through the valve. The disc is connected to a valve stem, which is in turn connected to an actuator, typically a pneumatic actuator.
When the actuator receives a signal to open the valve, it applies air pressure to a piston inside the actuator, which in turn moves the valve stem and rotates the disc to an open position. When the actuator receives a signal to close the valve, it releases the air pressure, allowing a spring inside the actuator to move the valve stem and disc back to a closed position.
1. Chemical industry: Pneumatic butterfly valves are used in chemical plants to control the flow of chemicals, including acids, bases, and solvents.
2. Water treatment: Pneumatic butterfly valves are used in water treatment plants to control the flow of water and other fluids, including wastewater, slurry, and chemicals.
3. HVAC systems: Pneumatic butterfly valves are used in heating, ventilation, and air conditioning (HVAC) systems to control the flow of air, water, and other fluids.
4. Food and beverage industry: Pneumatic butterfly valves are used in the food and beverage industry to control the flow of liquids, including juices, milk, and beer.
5. Oil and gas industry: Pneumatic butterfly valves are used in the oil and gas industry to control the flow of oil, gas, and other fluids in pipelines and refineries.
6. Pharmaceutical industry: Pneumatic butterfly valves are used in pharmaceutical plants to control the flow of liquids, including chemicals and solvents.
7. Power generation: Pneumatic butterfly valves are used in power plants to control the flow of steam and other fluids in boilers and turbines.
Pneumatic Butterfly Valve Parameter Table
shell: 1.5 times rated pressure
seat: 1.1 times rated pressure
-10 °C to 80°C (NBR)
-10 °C to 120°C (EPDM)
|water, oil and gas
Other series of valves
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