bar agturn PKT Series, Operating Manual

Page: 27 / 52

PKT-GD/GS-IM-DE-B-EN-09-19 Rev.0
27
Make sure that the optical position indicator
together with a ball valve or flap always cor-
responds to the ball bore/disc.
Make sure that the maximum torques of the
flange pattern used are not exceeded for
the sake of design and operation!
Connecting surfaces must be free from oil
and grease, clean and dry.
1. Place the rotary actuator on the valve
spindle (7). If necessary, install prior re-
quired components such as, for exam-
ple, shaft adapter, reduction, mounting
bridges and/or centering.
2. Slightly grease the connecting bolts.
3. Tighten the connecting screws on the
flange pattern (9) according to
Tab. 5-3.
Fig. 5-2
7
9
View on rotary actuator from bottom =
valve interface
7
Installation of the valve spindle / shaft
adapter
9 Installation of the connecting screws
Observe the following tightening torques
when installing connecting bolts:
Flange
pattern
Screw size Tightening
torque
[Nm]
F03 M5 6
F04 M5 10
F05 M6 10
F07 M8 25
F10 M10 49
F12 M12 85
F14 M16 145
F16 M20 310
F25 M16 145
Tab. 5-3 Tightening torques for connecting
screws of rotary actuator – valve
5.4.1 Installation of the pneumatic
connection
Fig. 5-3
4
2
10
10
Pneumatic connections of the rotary
actuator bar-agturn
2 Pneumatic connection
4 Pneumatic connection
10 Threaded hole M5
Make sure that plugs or end caps are re-
moved at the pneumatic connections 2 and
4, if necessary.