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Butterfly valve pneumatic actuators can
handle high - pressure systems, but several factors need to be considered.
Firstly, the design and construction of the
actuator play a crucial role. High - quality pneumatic actuators are often
built with robust materials and have a solid structure to withstand high
pressures. For example, actuators with thicker - walled cylinders and stronger
seals can better resist the forces exerted by high - pressure fluids.
Secondly, the selection of the appropriate
actuator size and type is important. Larger - sized actuators generally have a
higher torque - output capacity, which is necessary to overcome the increased resistance
of the butterfly valve in high - pressure systems. Additionally, specific types
of pneumatic actuators, such as double - acting actuators, can provide more
reliable operation in high - pressure applications as they can use the air
pressure in both directions to actuate the valve.
However, it's not without limitations. The
maximum pressure that a butterfly valve pneumatic actuator can handle is also
restricted by the capabilities of the associated components, such as the valve
itself, the piping, and the air supply system. If the pressure exceeds the
rated capacity of any of these components, it can lead to leakage, component
failure, or inaccurate valve operation. Regular maintenance and inspection are
essential to ensure the continued reliable operation of the actuator in a high
- pressure environment.
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