A Before You Start; Orientation (See Fig. A1); Installation, Operation And Maintenance Reference Documents; A3 Operating Medium - Emerson Bettis Q series Installation, Operation & Maintenance Manual

October 2017
A Before you start
• Bettis Q-Series actuators must be isolated both
pneumatically and electrically before (dis)
assembly.
• It is not permitted to connect a pressure vessel
with unreduced media to the Bettis Q-Series
pneumatic actuator.
• Bettis Q-Series actuators must not be connected
to an air supply greater than 8 bar g or 120 psig
• This manual does not provide instructions for
installations in hazardous areas.
• Installation, adjustment, putting into service, use,
assembly, disassembly and maintenance of the
pneumatic actuator must be done by qualified
personnel.
A1 Orientation (see fig. A1)
The Bettis Q-Series actuator is an integrated concept
for the automation of quarter turn valves, dampers
or other quarter turn applications. It can consists of
three basic parts:
1. Pneumatic actuator
2. Pneumatic Module or NAMUR Plate
3. Control Module
Fig A1 Orientation
1
Installation, Operation and Maintenance Manual
A2
Before mounting, installing, commissioning or
(dis)assembling the actuator consult the following
documents:
- All chapters of this manual and
- Installation Guide of the supplied Control Module.
- For installation in hazardous area's:
- For Control Modules with bus communication
(available from www.emerson.com/bettis).
A3
• Air or inert gasses:
• Maximum pressure, 8 bar g / 120 psig
• Dew point 10 K below operating temperature.
• For subzero applications take appropriate
1
3
2
Fig A2
A4
• Assembly or disassembly is only allowed for
Installation, operation and
maintenance reference documents
The applicable section of the Installation Guide, as
shipped with the Control Module.
there may be an additional Reference Manual with
more detailed information.
Operating medium
- Filtered to 50 micron (5 micron for QC54).
- Check the Installation Guide as shipped with the
module for the applicable air quality.
measures.
When needed, use Filter/Regulators with correct filter
specification.
Product integrity
replacing seals and guide bands (soft parts).
DOC.IOM.BQ.E Rev. 2
50µm
(QC54 = 5µm)
OK