SOMAS MTV - Disassembly of the Pneumatic Actuator

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Original document - Mi-205 EN Edition: 2021-04
5.4 Disassembly of the pneumatic actuator
Note
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Observe also the detailed information in the operating manual of the actuator Mi-503EN.
Warning!
Before assembling or disassembling the pneumatic actuator of a butterfly valve installed in the
pipeline depressurise the relevant valve in the pipeline system, isolate the valve and remove the
medium before working on the valve.
The pressurised medium may lead to injuries to personnel.
Warning!
Before carrying out maintenance or repair work on the valve with actuator as well as installation
and disassembly of the butterfly valve in the pipeline, always disconnect the compressed air
supply to the actuator.
Single action actuators may move to “open” or “closed” position without being connected to the
air system.
1 Puller 3 Screw 5 Bolt
2 Driver 4 Clamping ring bolts 6 Bracket
Fig.5-8 Disassembly of the actuator (schematic diagram)
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