18
Installation
CAUTION!
Risk of injury due to heavy device.
During transportation or installation work, a heavy device may
fall down and cause injuries.
▶
Transport, install and remove heavy device with the aid of a
second person only.
▶
Use suitable tools.
8.2
Before installation
•
Any installation position of the globe valve is possible, prefe
-
rably with the actuator facing upward.
•
Ensure that pipelines are aligned before connecting the valve.
•
Note flow direction (see type label).
8.2.1
Preparatory work
→
Clear impurities from pipelines (seal material, metal chips,
etc.).
8.2.2
Removing actuator from the valve body
For devices with welded connection
NOTE!
For valves with a mounted control unit:
When welding the valve body into the pipeline, the control unit
must not be installed.
▶
Uninstall the control unit from the actuator (see chapter on
installation in the operating instructions of the corresponding
control unit).
→
Clamp valve body into a collet.
NOTE!
Damage to the seat seal or seat contour!
▶
When removing the actuator, the valve must be in the open
position.
→
For control function A pressurise the pilot air port 1 with com
-
pressed air (5 bar): Valve opens.
→
Place a suitable open-end wrench on the wrench flat of the
nipple.
→
Unscrew actuator from the valve body.
For other device variants:
→
Only uninstall the actuator if required by the customer.
Type 2101
English