Safety Precautions for Single-Acting Pneumatic Actuators

Pressure Management

Never exceed the actuator's maximum rated pressure (typically 8-10 bar)

Install pressure regulators and relief valves to prevent overpressurization

Verify all air supply connections can handle the system's working pressure

Ensure proper mounting to prevent unexpected movement during operation

Use lockout/tagout procedures during maintenance to prevent accidental activation

Install mechanical stops where full stroke movement could cause equipment damage

Exercise extreme caution when disassembling - preloaded springs can release dangerous energy

Always use appropriate tools when working with spring cartridges

Replace fatigued springs immediately to maintain fail-safe functionality

Verify temperature ratings match operating environment requirements

Use appropriate seals for chemical exposure or explosive atmospheres

Protect actuators from excessive moisture that could cause corrosion

Clearly mark the fail-safe position (open/closed) on all control systems

Conduct regular function tests to verify fail-safe operation

Provide proper training for personnel handling actuator maintenance

Follow manufacturer-recommended service intervals

Use only approved replacement parts that meet original specifications

Keep detailed maintenance records for safety audits and troubleshooting

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