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Section 4: Assembly and Disassembly

July 2021

Section 4: Assembly and Disassembly of

In the following two subsections, the procedures for assembly and disassembly of linear

units on valves are explained step by step.

4.1

WARNING

The device may only be mounted and commissioned by qualified personnel!

Qualified personnel within the meaning of this operating manual are persons who are

familiar, with assembly, commissioning and operation of this product, and have the

required appropriate qualifications for this activity.

WARNING

For assembly and disassembly of the linear unit, the pipes where the valve is installed

on must be depressurized. If the actuator is removed from the linear unit, the position

of the valve stem won't be fixed anymore and will be lost due to the linear units non

self-locking property.

WARNING

The linear unit has end stops on both end positions. Do not move against the end stops in

electrical operation. The end limits of the actuator must be set accordingly. Never bring

the valve cone with excessive force in the CLOSED position. This can damage the high

quality sealing edges.

Linear Units on Valves

Installation, Operation and Maintenance Manual

VCIOM-15429-EN Rev. 1

Assembly and Disassembly