Disassembly; Before Starting - Emerson Bettis Q series Installation, Operation & Maintenance Manual

October 2017
9

Disassembly

9�1

Before starting

2
9.1.1
A
9.1.2
9.1.3
21
1
No. 5
2
1
sw = 10mm
Installation, Operation and Maintenance Manual
9.1.1
Caution! Never disassemble a valve that is
under pressure!
Caution! Ball valves and plug valves can
trap pressurized media in the cavity. Isolate
the piping system in which the actuator
valve assembly is mounted and relieve any
pressure on the valve.
9.1.1 / 9.1.2
Prevent damage to the position probe (A) to
guarantee accurate position feedback.
DOC.IOM.BQ.E Rev. 2