4 6 BC 71 en
Nominal torque, Nm / lbf ft (at max. supply pressure):
B1C 6 135/100
B1C 9 260/190
B1C 11 480/355
B1C 13 1000/740
B1C 17 1900/1400
B1C 20 2700/2000
B1C 25 5300/3910
B1C 32 11000/8115
B1C 40 22000/16225
B1C 50 43000/31715
B1C 60 62000/45730
B1C 75 48000/35400
B1C 502 100000/73755
B1C 602 122000/89980
B1C 752 113000/83350
NB. The torque changes according to supply pressure.
1.5 Recycling and disposal
Most actuator parts can be recycled if sorted according to
material. Most parts have material marking. A material list is
supplied with the actuator. In addition, separate recycling
and disposal instructions are available from the manufac-
turer. An actuator can also be returned to the manufacturer
for recycling and disposal against a fee.
1.6 Safety precautions
Fig. 3 Output torque as a function of turning angle
0 102030405060708090
β / °
1.5
1.4
1.3
1.2
1.1
M
n
1.0
0.9
M
β
/ M
n
CAUTION:
Don’t exceed the permitted values!
Exceeding the permitted pressure value marked on the
actuator may cause damage and lead to uncontrolled
pressure release in the worst case. Damage to the equip-
ment and personal injury may result.
CAUTION:
Don’t dismantle a pressurized actuator!
Dismantling a pressurized actuator leads to uncontrolled pres-
sure release. Shut off the supply pressure and release pressure
from the cylinder before dismantling the actuator.
Otherwise, personal injury and damage to equipment may
result.
CAUTION:
Beware of the cutting movement of the valve!
Hands, other parts of the body, tools or other objects must
not be pushed into the valve’s flow port while it is open.
Also prevent foreign objects from entering the pipes. The
valves function like a cutter while operating. Shut off and
detach the supply of compressed air to the actuator dur-
ing maintenance.
Otherwise, personal injury or damage to the equipment
may result.
CAUTION:
Don’t use the lever in the torsion arm for manual oper-
ation when the actuator is pressurized!
Shut off the supply pressure and release pressure from the
cylinder before using the hand lever. Note also the
dynamic torque caused by the pipe flow.
Otherwise, personal injury and damage to equipment
may result.
CAUTION:
Don’t leave the lever in the torsion arm after manual
operation!
Leaving the lever in the torsion arm can cause personal
injury or damage to the equipment.
CAUTION:
Take the weight of the actuator or valve combination
into account when handling it!
Do not lift the valve combination from the actuator, posi-
tioner, limit switch or their piping. Lift the actuator as
directed in Section 2, lifting ropes for a valve combination
should be fastened around it. The weights are shown in
Section 9. Dropping may result in personal injury or dam-
age to the equipment.
CAUTION:
Potential electrostatic charging hazard, do not rub surface
with dry cloth.
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