Burkert Type 2000 Manuel D'utilisation page 24

Type 2000/2002
→
Control function A:
Pressurize lower control air connection with compressed air
(5 bar) so that the pendulum disk is lifted off the valve seat and
is not damaged when screwed in.
→
Screw actuator into the valve housing.
tightening torques:
Orifice
(dn)
13 / 15
20
25
32
40
50
65
If the housing is stainless steel, grease the nipple thread
with e.g. Klüber paste UH1 96-402.
Assembly
torque
(nm)
45 ± 3
50 ± 3
60 ± 3
65 ± 3
65 ± 3
70 ± 3
70 ± 3
8.3.3. rotating the drive
The position of the connections can be aligned steplessly by rotating
the drive through 360 °.
note!
damage to the seal on the pendulum disk!
• When turning the actuator, ensure that the valve is in the open
position.
procedure:
→
Clamp the valve housing into a holding device (applies only to
valves not yet installed).
→
For control function A pressurize the lower control air connection
with compressed air (5 bar): Valve opens.
→
Using a suitable open-end wrench, counter the wrench flat on
the pipe.
→
Place a suitable open-end wrench on the hexagon of the actuator
(see Fig. 19:).
Warning!
risk of injury from discharge of medium and pressure!
If the direction of rotation is wrong, the housing interface may
become detached.
• Turn the actuator in the specified sense of direction only
(see Fig. 20:).
english
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