Burkert 2101 Manuel D'utilisation page 13

→ Screw actuator into the valve body. Observe tightening torque
(see "Tab. 7: Tightening torques valve body/nipple").
Exhaust port
CFA, CFB
pilot air port
CFI
Pilot air port
CFA, CFB, CFI
Fig. 5: Ports
DN
15
20
25
32
40
50
65
80
100
Tab. 7: Tightening torques valve body/nipple
Type 2101
Installation
2
1
Tightening torque [Nm]
45 ± 3
50 ± 3
60 ± 3
65 ± 3
70 ± 3
100 ± 3
120 ± 5
150 ± 5
7.3.3 Install control unit
For a description see chapter "Installation" in the oper-
ating instructions for the corresponding control unit.
7.3.4 Turning actuator
The position of the ports can be seamlessly aligned by turning
the actuator 360°.
NOTE!
Damage to the seat seal or seat contour!
▶ When turning the actuator, the valve must be in the open
position.
Procedure:
→ Clamp valve body in a holding device (only for valves which
have not yet been installed).
→ For control function A pressurise the pilot air port 1 with com-
pressed air (5 bar): Valve opens.
→ Counter with a suitable open-end wrench on the wrench flat of
the nipple.
→ Actuator with hexagonal contour:
Place a suitable open-end wrench on the hexagon head of the
actuator.
English
13