
Assembly and Commissioning
14
12.03|SRU 20 - 60|en
NOTICE
In the variant with locked center position, the following can
cause malfunctions!
• Do not install an exhaust air throttle.
• Observe table
NOTE
The operating pressure of the lock must be between 4 and 6 bar.
1 Air connections "C" and "D" are available for actuating the
2 The lock can be engaged smoothly using a supply air throttle.
1 Connections marked with numbers are provided for feedth-
rough of the media on the pinion and the flange
Use of throttles
Module variant
A
B
C
D
Without center positi-
on
Exhaust air throt-
tle / or no throttle
Exhaust air throt-
tle / or no throttle
-
-
With center position
(M)
Exhaust air throt-
tle / or no throttle
Exhaust air throt-
tle / or no throttle
Supply air
throttle / or
no throttle
Supply air
throttle/ or
no throttle
With locked center
position (VM)(VM)
Exhaust air throt-
tle / or no throttle
Exhaust air throt-
tle / or no throttle
Supply air
throttle / or
no throttle /
or Fast vent
valve
Supply air
throttle / or
no throttle /
or Fast vent
valve
With locked
center position (VM)
and seperate
main piston areas
A1
Exhaust
air
throttle
/ or no
throttle
A2
no
throttle!
B1
Exhaust
air-
throttle
/ or no
throttle
B2
no
throttle!
Supply air
throttle / or
no throttle
Supply air
throttle / or
no throttle
Air connection for
variants with
locked
center position (VM)
Variant with
media feed-through