Burkert Type 8690 - Manual (Page 18)

18
Installation
7.4 rotating the actuator module
The actuator module (Pneumatic Control Unit and actuator)
can be rotated for straight seat valves and angle seat valves
only.
The position of the connections can be aligned steplessly by rotating the
actuator module (Pneumatic Control Unit and actuator) through 360°.
Process valves Type 2100 and 2100: Only the entire actuator
module can be rotated. The Pneumatic Control Unit cannot
be rotated contrary to the actuator.
The process valve must be in the open position for alignment
of the actuator module.
Danger!
risk of injury from high pressure in the equipment/device.
▶ Before working on equipment or device, switch off the pressure
and deaerate/drain lines.
procedure:
→
Clamp valve body in a holding device (only required if the process
valve has not yet been installed).
→
Control function A: Open process valve.
Actuator
module
Key contour
Hexagon
Nipple
with hexagon without hexagon
Nipple
Fig. 13: Rotating the actuator module
→
Using a suitable open-end wrench, counter the wrench flat on
the pipe.
→
Actuator module without hexagon:
Fit special key
2) exactly in the key contour on the underside of
the actuator.
→
Actuator module with hexagon:
Place suitable open-end wrench on the hexagon of the actuator.
2)
The special key (665702) is available from your Bürkert sales office.
english
Type 8690