22
Installation
preparatory Work
8.2.5.
Clean pipelines (sealing material, swarf, etc.).
→
Support and align pipelines.
→
devices with welded housing:
Before welding the housing, the actuator and the diaphragm must be removed.
installation
8.3.
If used in an aggressive environment, we recommend conveying all free pneumatic connections into a
neutral atmosphere with the aid of a pneumatic hose.
Warning!
risk of injury from improper installation!
Non-observance of the tightening torque is dangerous as the device may be damaged.
Observe tightening torque during installation (see
•
Table 7: Tightening torques for diaphragms
).
8.3.1.
devices with welded housing
note!
to prevent damage!
Before welding the housing (only device with welded housing), the actuator and the diaphragm must be
removed.
remove actuator and diaphragm from the housing:
procedure for control function a
Pressurize lower control air connection with compressed air (value as indicated on the rating plate) (see
→
Figure 15: Control air connection
).
This is required to detach the diaphragm without damage from the housing.
Loosen fastening screws crosswise and remove actuator together with diaphragm from the housing.
→
Weld housing into the pipeline.
→
procedure for control functions B and i
Loosen fastening screws crosswise and remove actuator together with diaphragm from the housing.
→
Weld housing into the pipeline.
→
Mount actuator and diaphragm on the housing:
After welding in the housing, smooth the housing surface by grinding if required.
→
Carefully clean the housing.
→
english
Type 2030, 2031, 2031 K, 2032,
2033, 2037