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HT-Hydraulic Butterfly Valve
Industrial Hydraulic Control Valve Water Automatic Motorized Actuator Butterfly Valve
Hydraulic Butterfly Valve Introduction
A hydraulic butterfly valve is a type of valve that uses hydraulic pressure or hydraulic actuation to control the flow of fluid through the valve. The valve typically consists of a hydraulic actuator, a butterfly valve body, and a control system. When the actuator receives a signal, it generates hydraulic pressure to drive the valve body to rotate and open or close the valve. Hydraulic butterfly valves are widely used in industrial applications that require high-pressure and high-temperature fluid control, such as in the oil and gas, chemical, and power generation industries.
Hydraulic Butterfly Valve Principle
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 butterfly disc is connected to a valve stem, which is in turn connected to a hydraulic actuator.
When the actuator receives a signal to open the valve, it applies hydraulic 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 hydraulic pressure, allowing a spring inside the actuator to move the valve stem and disc back to a closed position.
The sealing mechanism of the butterfly valve is typically achieved through the use of a resilient material, such as rubber or PTFE, which is placed around the edge of the disc and pressed against the valve body to create a seal. When the valve is closed, the resilient material is compressed against the valve body, creating a tight seal to prevent fluid from leaking through the valve.
1. Oil and gas industry: Hydraulic butterfly valves are used in the oil and gas industry to control the flow of oil, gas, and other fluids in pipelines, refineries, and other industrial processes.
2. Chemical industry: Hydraulic butterfly valves are used in chemical plants to control the flow of chemicals, including acids, bases, and solvents.
3. Power generation: Hydraulic butterfly valves are used in power plants to control the flow of steam and other fluids in boilers and turbines.
4. Water treatment: Hydraulic butterfly valves are used in water treatment plants to control the flow of water and other fluids, including wastewater, slurry, and chemicals.
5. HVAC systems: Hydraulic butterfly valves are used in heating, ventilation, and air conditioning (HVAC) systems to control the flow of air, water, and other fluids.
6. Food and beverage industry: Hydraulic butterfly valves are used in the food and beverage industry to control the flow of liquids, including juices, milk, and beer.
|Sealing test Pressure
|Strength test Pressure
|Within 60s close 65%-90% (adjustable),90-240s close completely (adjustable)
|Hydraulic system Maximum pressure
|Flow Resistance constant
Other series of valves
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