Skin the cable and mount the insulating sleeves if
required.
Insulating sleeves
(not incuded)
Solder the cable. Slide the insulating sleeve over the
soldered connections. The polarity of the pilot valve
(solenoid coil) need not be taken into consideration.
Protective
conductor
Position indicator
"valve closed"
Position indicator
"valve open"
Pilot valve
(solenoid coil)
Guide cam
Tighten the strain relief and insert it (it will catch).
Reassemble the connector and tighten the screw fitting
(width across 17 mm).
hold stationary
Plug in the connector and secure it with the union nut.
Operation
The product is ready for operation as soon as it has been
installed.
Compressed
air
Position
indication
open
closed
available
Control
valve
activated
not available
Valve
position
not available
available
activated
deactivated
deactivated
Pressure range:
DN 16+25 ISO-KF: 1×10
-8
mbar … 4 bar (absolute)
DN 40 ISO-KF 1×10
-8
mbar … 2.5 bar (absoute)
Pressure difference Dp in closing direction
Caution
Caution: pressure difference Dp
Closing direction
D
p
bar
p
+
D
p
p
bar
p
VAP025
At Dp >4 bar (DN 16+25 ISO-KF) and Dp >2 bar
(DN 40 ISO-KF) the valve may no longer be tight.
Avoid bigger pressure differences.
Pressure difference Dp in opening direction
Caution
Caution: pressure difference Dp
Opening direction
p
bar
D
p
bar
p
+
D
p
p
VAP025
With Dp >2 bar (DN 16+25 ISO-KF) and
Dp >1.5 bar
(DN 40 ISO-KF) the valve is opened.
Avoid bigger pressure differences.
Opening against a pressure difference Dp
Caution
Caution: pressure difference Dp
Opening
p
D
p
bar
p
+
D
p
p
bar
VAP025
With Dp >4 bar (DN 16+25 ISO-KF) and Dp >2 bar
(DN 40 ISO-KF) the valve cannot open.
Avoid bigger pressure differences.
Deinstallation
Electrical Connection
Skilled personnel
The electrical power must be disconnected by a
skilled electrician.
Caution
The control system must be disconnected from
the power source before any connection to the
product is made or interrupted.
Loosen the connector and unplug it.
Compressed Air Connection
Skilled personnel
The compressed air may only be disconnected
by persons who have suitable technical training
and the necessary experience or who have been
instructed by the end-user of the product.
DANGER
Caution: compressed air
Physical injury can result if a pressurized com-
pressed air line is disconnected.
Before doing any work, turn off the compressed
air supply and relieve the compressed air lines.
Pull out the tube while depressing the thrust ring.
Thrust ring
Vacuum Connection
Skilled personnel
The vacuum connection may only be disassem-
bled by persons who have suitable technical
training and the necessary experience or who
have been instructed by the end-user of the
product.
DANGER
Caution: contaminated parts
Contaminated parts can be detrimental to health.
Before beginning to work, find out whether any
parts are contaminated. Adhere to the relevant
regulations and take the necessary precautions
when handling contaminated parts.
Caution
Caution: vacuum component
Dirt and damages impair the function of the
vacuum component.
When handling vacuum components, take
appropriate measures to ensure cleanliness and
prevent damages.
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