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To address the corrosion issues of
stainless - steel pneumatic actuators, the following measures can be taken:
Material selection: Choose stainless -
steel materials with high corrosion resistance, such as 316L stainless steel,
which has better resistance to chloride - ion corrosion. For extremely
corrosive environments, consider using actuators with special coatings or
linings, like those coated with Teflon to provide an additional protective
layer.
Proper installation and operation: Install
the actuator in a dry and well - ventilated location to minimize exposure to
moisture and corrosive gases. Operate within the recommended temperature and
pressure ranges to prevent stress - induced corrosion cracking. Regularly drain
the condensate in the air supply system to avoid water accumulation that can
cause corrosion.
Regular maintenance: Inspect the actuator
regularly for signs of corrosion, such as rust spots or pitting. Clean the
surface regularly to remove dirt, dust, and corrosive substances. Lubricate the
moving parts with anti - corrosive lubricants to protect them from moisture and
oxygen.
Air quality control: Use high - efficiency
air filters to remove impurities, moisture, and oil from the compressed air.
This helps prevent the formation of corrosive electrolytes on the actuator's
surface. Additionally, consider using a desiccant in the air supply system to
further reduce the humidity of the compressed air.
Prompt repair and replacement: If corrosion
is found, take prompt action. Small areas of corrosion can be treated by
polishing and applying anti - corrosion coatings. For severely corroded
components, replace them in a timely manner to avoid further damage to the
actuator.
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