Burkert 2031 Manuale di avvio rapido - Pagina 8

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Burkert 2031 Manuale di avvio rapido
devices with Vg/Vs welded body
Before welding the body, the actuator must be removed.
6.2
Installation
WarnIng!
risk of injury from incorrect installation!
Non-observance of the specified tightening torque is hazardous
as the device may be damaged.
▶ Observe tightening torque during installation.
6.2.1
Devices with VG/Vs welded body
Before welding the body, the actuator must be removed.
Remove actuator and diaphragm from the body
procedure for control function a:
→
Apply control air connection with compressed air (5.5 bar).
→
Loosen fastening screws in diagonal pairs and remove actuator
together with diaphragm from the body.
→
Weld body into the pipeline.
procedure for control function B:
→
Loosen fastening screws in diagonal pairs and remove actuator
together with diaphragm from the body.
→
Weld body into the pipeline.
8
english
Type 2031 INOX
Installation
6.2.2
Installation
installation for actuator with control function a:
→
Align diaphragm.
the mark tab of the diaphragm must be vertical to the flow
of direction.
→
Place actuator on the body.
→
Apply control air connection with compressed air (5.5 bar).
→
Lightly tighten fastening screws crosswise until the diaphragm is
situated between the body and actuator.
do not tighten screws yet!
→
Switch diaphragm valve twice.
→
Tighten fastening screws.
Observe tightening torque (2.5 Nm)!
installation for actuator with control function B:
→
Align diaphragm.
the mark tab of the diaphragm must be vertical to the flow
of direction.
→
Place actuator on the body.
→
Lightly tighten fastening screws crosswise until the diaphragm is
situated between the body and actuator.
do not tighten screws yet!
→
Apply control air connection with compressed air (5.5 bar).
→
Switch diaphragm valve twice.
→
Tighten fastening screws.
Observe tightening torque (2.5 Nm)!