Burkert Type 2101 - Manual (Page 12)

12
Installation
Type 2101
dn tightening torque [nm]
15 45 ± 3
20 50 ± 3
25 60 ± 3
32
65 ± 3
40
50
70 ± 3
65 100 ±3
80 120 ± 5
100 150 ± 5
Tab. 4: Tightening torque valve body / nipple
7.3.3. rotating the actuator
The position of the connections can be aligned steplessly by rotating
the actuator through 360°.
note!
damage to the seat seal or the seat contour.
• When rotating the actuator, ensure that the valve is in open
position.
procedure:
→
Clamp the valve body in a holding device
(applies only to valves which have not yet been installed).
→
Control function A pressurize the pilot air port 1 with com-
pressed air (5 bar): valve opens.
→
Counter on the flats of the nipple with a suitable open-end
wrench.
→
Place suitable open-end wrench on the hexagon of the actuator.
Warning!
risk of injury from discharge of medium and pressure.
If the direction of rotation is wrong, the body interface may become
detached.
• Rotate the actuator module in the specified direction only.
→
Actuator with hexagon:
Rotate counter-clockwise (as seen from below) to bring the
actuator module into the required position.
Open-end wrench
Fig. 5: Rotating with open-end wrench
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