CATALOGUE release 8.8

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Products designed for industrial applications.
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Series ST Stopper cylinders MOVEMENT > CATALOGUE > Release 8.8
/2.25.01 1
MOVEMENT
Series ST
Stopper cylinders
Single and double-acting, magnetic, non-rotating
Sizes 20, 32, 40, 50 mm
The Series ST Stopper cylinders are
pneumatic actuators with rod, complying
with UNITOP and ISO 21287 standards,
where rod and bushing have been
specifically enlarged to ensure high
resistance to radial loads and shocks.
These cylinders are available in two
versions, double-acting and single-
acting, and with rear spring. The non-
rotating rod version is also available.
The detection of the piston position is
enabled by means of proximity switches
(Mod. CST or CSH) which are mounted
in slots along three sides of the cylinder
profile. It is possible to cover the slots
with a proper profile (Mod. S-CST-500).
The high resistance to shocks and radial
loads and the easy mounting makes
Series ST particularly suitable for use
in transport/conveyor lines where it is
required to stop the transit of workpieces
and workpiece-holder pallets.
» » In compliance with UNITOP
and ISO 21287 standards
» » Compact design
» » Can be used with
magnetic sensors
» » Reliable and silent
»
» Non-rotating rod version
» » Roller rod version
» » Female threaded rod version
»
» High capacity to absorb
kinetic energy of
workpiece-holder pallets
» » Mechanical end-stroke
shock absorbers
GENERAL DATA
Construction
Cylinder design
Operation
Sizes
Strokes (min - max)
Rod versions
Non-rotating function
profile with self-tapping screws
compact based on UNITOP and ISO 21287 standards
double-acting, single-acting rear spring, double-acting rear spring
20, 32, 40 (Mod. ST32 only), 50 mm
5 ÷ 30 mm (see the table of standard strokes)
without thread, with female thread, non-rotating, non-rotating with feemale thread, non-rotating with roller
with technopolymer anti-friction ring
Fixing and mounting
Type of cushioning
direct with holes on the end-caps, in any position
mechanical end-stroke shock absorbers in rubber
Max frequency
Working temperature
Storage temperature
Working pressure
Max rotation play
Max torque (for non-rotating version)
5 Hz (Ø 20, 32, 40 mm) - 3 Hz (Ø 50 mm)
0°C ÷ 80°C (with dry air -20°C)
-20°C ÷ 100°C
1 ÷ 10 bar (double-acting) - 2 ÷ 10 bar (single-acting)
± 4° (Ø 20, 32 e 40 mm) - ± 3° (Ø 50 mm)
1.5 Nm (Ø 20 mm) - 2.5 Nm (Ø 32 e 40 mm) - 3.5 Nm (Ø 50 mm)
Medium
Lubrication
filtered air in class 7.8.4 according to ISO 8573-1 standard.
Not required. The cylinder is pre-lubricated. If lubricated air is used, it is recommended to use oil ISOVG32.
Once applied the lubrication should never be interrupted.
Use with external sensors slots on the three sides for proximity switches Mod. CST and CSH
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