Pneumatic part-turn actuators are also suitable for use as actuators in protective and safety-related systems in accordance with EN 61508.
Our pneumatic part-turn actuators are dual-piston drives based on a rack and pinion design principle. This proven principle of operation guarantees the highest levels of reliability. Available versions include double-acting and single-acting part-turn actuators with integrated (fail-safe) spring return.
Complies with requirements for use in safety- related systems to EN 61508
Designed for use in zone 2 and zone 22
Wide torque range
Solid, corrosion-resistant housing made of aluminum
Operates in any position
The honed surface of the cylinder bore ensures the pneumatically driven part-turn actuators achieve a long service life. Control pressures range between 2.5 bar and 8 bar. That achieves torques ranging from 5 Nm up to 10 000 Nm. The anodized aluminum housing and powder-coated cover ensure excellent corrosion protection, including in outdoor applications. The connections comply with DIN/ISO and Namur requirements. The part- turn actuators are also suitable for deployment in hazardous areas. Exposed to hazards from gases and vapours they are suitable for deployment in Zone 2, and Zone 22 areas when exposed to dust hazards. They are also suitable for use as actuators in protective and safety-related systems in accordance with EN 61508.
Housing made from extruded, anodized aluminium
Cover made of corrosion-resistant, powder coated die-cast aluminium
Protection class IP67 to DIN EN 60529
Steel, hard nickel plated (ENP)
With square socket (position parallel and diagonal) or double square socket to ISO 5211 (adaptation through a wide program me of adapter shafts and sleeves)
Anti-blowout output shaft (complies with tightened US regulations)
Output shaft bearings
Plain bearings made of high-quality plastic
Nominal operating angle: 90°
-40 °C to +80 °C
-15 °C to +150 °C
-55 °C to +80 °C
End position limits
Each end position can be set externally
Wide setting range from +5Åã to -15Åã
Filtered, dry or oiled air
Pressure dew point ≤ -20 °C
Particle size < 30 μm
• 2.5 bar to 8 bar
6 Nm to 10 000 Nm for double-acting actuators
5 Nm to 7 000 Nm for single-acting actuators
AGROMATIC Regelungstechnik GmbH
Stukenbrocker Weg 38
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