→
Lubricate the nipple thread before reinstalling the actuator
(e.g. with Klüberpaste UH1 96-402 produced by Klüber).
NOTE!
Damage to the seat seal or the seat contour!
→
Open the valve for control functions A and I: Pressurize the
lower pilot air port with compressed air (5 bar).
→
Observe the tightening torque when screwing the actuator into
the valve body (see table).
Orifice (DN)
Tightening torque ± 3 [Nm]
7.2
Rotating the actuator
The actuator can be rotated infinitely by 360°.
→
Clamp the valve body into a holding fixture (if necessary).
NOTE!
Damage to the seat seal or the seat contour!
→
Open the valve for control functions A and I: Pressurize the
lower pilot air port with compressed air (5 bar).
→
Using a suitable open-end wrench, counter the wrench flat on
the nipple.
→
Place a suitable open-end wrench on the hexagonal bolt of the
actuator.
8
Graphite seal
15
20
25
32-40 50-65
45
50
60
65
english
WARNING!
Risk of injury from discharge of medium and release of pressure!
If the direction of rotation is wrong, the body interface may become
detached.
▶ Turn the actuator in a clockwise direction (as seen from above).
Open-end wrench
for rotating the
actuator
7.3
Connecting the control medium
70
DANGER!
Risk of injury from high pressure in the system!
▶ Turn off the pressure and vent the lines before loosening lines or
valves.
WARNING!
Risk of injury from unsuitable hoses!
▶ Use only hoses which are authorized for the indicated pressure
and temperature range.
▶ Observe the data sheet specifications from the hose
manufacturers.
The actuator can be rotated infinitely by 360°. See section
"7.2 Rotating the actuator".
Type 2000
Assembly
Open-end wrench for
securing the nipple