Before Installation; Preparatory Work - bürkert 2101 Schnellstartanleitung

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.
7.2

Before installation

• Any installation position of the globe valve is possible, pref-
erably with the actuator facing upward.
• Ensure that pipelines are aligned before connecting the valve.
• Note flow direction (see type label).
7.2.1

Preparatory work

→ Clear impurities from pipelines (sealants, metal chips, etc.).
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).
Remove the actuator from the valve body:
→ Clamp valve body into a holding device.
Type 2101
Installation
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.
Other device variants
→ Only uninstall the actuator if required by the customer.
→ For procedure see "Devices with welded connection".
Exhaust port
CFA, CFB
Pilot air port
CFI
Pilot air port
CFA, CFB, CFI
Relief bore
Wrench flat for
open-end wrench
Fig. 3: Installation
English
2
1 Actuator
Nipple
Valve body
11