Valve Installation - Emerson Bettis Q series Installation, Operation & Maintenance Manual

October 2017
2�5

Valve Installation

WARNING!
Actuator must be isolated both
pneumatically and electrically before (dis)
assembly. Before mounting or (dis)assembling the
actuator consult the relevant sections of this manual.
Remove handle nut, handle, lock washer, etc. from
valve if required.
1
Fig. 2.5.1
Fig. 2.5.2
CAUTION!
Be sure that the insert is mounted at 90° or 45°.
It is possible to mount the insert turned 22.5°. This
way the valve will not open or close the right way.
90°
ISO 5211
Fig. 2.5.3
11
Installation, Operation and Maintenance Manual
2
Fig. 2.5.4
Fig. 2.5.5
45°
DIN 3337
CAUTION!
- Before mounting the actuator on the valve
be sure that both the actuator and the
valve have the same position.
- When mounting do not hit with hammer
on pinion top.
OK
OK
IMPORTANT!
- When mounting the actuator across the
pipeline, the NAMUR slot at the pinion
top is turned 90° and does not reflect the
position of the valve blade.
- When mounting NAMUR (VDI/VDE3845)
switch boxes or positioners take care that
these devices can be and will be set to
reflect the actual limit positions.
DOC.IOM.BQ.E Rev. 2