Festo DAPS Series, Operating Instructions Manual

Page: 23 / 88

DAPS−...
Festo DAPS−... 0707c English
23
The DAPS semi−rotary drive can be fitted with or without a mounting bridge.
If there are high medium temperatures in the tubing and in the processing valve:
S
Use a mounting bridge and also a heat−insulated coupling extension.
Mechanical installation
S
In order to fit the DAPS semi−rotary drive, set the switching shaft of the proces
sing valve so that the desired working method for opening and closing the
processing valve is implemented.
S
Note that a processing valve with butterfly
valve can only be opened in one direction
and closed in the opposite direction.
Fitting the semi−rotary drive without a mount
ing bridge
1. Place the semi−rotary drive on the switch
ing shaft of the processing valve. Make
sure here that the square of the processing
valve sits in the star−shaped coupling of the
semi−rotary drive without being tilted.
2. Fasten the semi−rotary drive with 4cor
rosion−resistant screws and spring rings
(material: VA) to the connecting flange of
the processing valve.
3. Tighten all the screws in diagonally oppo
site sequence.
Tightening torque:(
è Fig.7).
4. Continud on page 25 with point 6.
DAPS−... F03 F04 F05 F07 F10 F12 F14 F16 F25
Tightening torque [Nm] 2,5 2,5 2,5 4 10 12 12 15 12
Fig.7
Fig.6