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Assembly
32
11.00 | SRU-plus 20 - 60 | Assembly and Operating Manual | en | 389443
Designation
Function
Hose-free direct connection
a
Swiveling 0° -90° / 0° - 180°
b
Swiveling 90° - 0° / 180° - 0°
c
Approach center position (M)
Extend locking position (VM)
d
Hose connection
A
Swiveling 0° -90° / 0° - 180°
B
Swiveling 90° - 0° / 180° - 0°
C
Approach center position (M)
Extend locking position (VM)
D
• Only open the air connections required.
• Seal those main air connections that are not needed using the
locking screws from the accessory pack.
• For hose-free direct connections, use the O-rings from the
accessory pack.
• Use throttle valve from the accessory pack for the main air
connections.
• With hose-free direct connections, throttle valves must be fitted
in front of the main air connections.
Pay attention to the following table when using throttle valves.
Variant
Air connection
A
B
C
D
Without center
position
Exhaust
Exhaust
-
-
With center
position (M)
Exhaust
Exhaust
Supply
air
Supply
air
With locked center
position (VM)
Supply air
Supply air
Supply
air
Supply
air
With locked center posi-
tion (VM) and separate
piston chambers
A1
Ex-
haust
A2
Supply
air
B1
Ex-
haust
B2
Supply
air
Supply
air
Supply
air
Variant with center
position (M)
For the pneumatic center position, the air connections
C
and
D
must be actuated together with a branching.
Variant with ocked
cnter position (VM)
If supply air throttle valves are used with the locked center position
on the air connections
C
and
D
, the locking is engaged smoothly. The
operating pressure for the lock must be between 4 and 6 bar.
If exhaust throttle valves are used on the variant with locked
center position, this can cause malfunctions.
Variant with fluid
feed-through
The connections marked with numbers on the pinion and the
flange are provided for feed-through of vacuum, gasses or fluids.