23
Assembly
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)
torque
(nm)
13 / 15
45 ± 3
20
50 ± 3
25
60 ± 3
32
65 ± 3
40
65 ± 3
50
70 ± 3
65
70 ± 3
If the housing is stainless steel, grease the nipple thread
with e.g. Klüber paste UH1 96-402.
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
Type 2000/2002
Summary of Contents for Type 2000
Page 93: ......
