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Section 3: Operation and Use
October 2020
Section 3: Operation and Use
3.1
Operation Description
The supply gas pressurizes the pneumatic-cylinder chamber relevant to the operation to
carry out (opening or closing) (see following pages). This pressure starts the linear motion
of the piston and the consequent motion of the valve stem that is coupled.
Figure 7
For local or remote operations, please refer to technical documentation furnished
with actuators.
The power and control systems are supplied on specific customer demand.
NOTICE
For all the relevant information please refer to the specific documentation supplied.
Figure 8
14
Double-Acting function with jackscrew manual override type MHW
(direct action) or MSJ (that it can be engaged/disengaged by hand-lever)
Installation, Operation and Maintenance Manual
VCIOM-15792-EN Rev. 0
Operation and Use
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