Rack & Pinion Actuators

ASR Type: Spring Return or ADA Type: Double Action.
Pinion rack concept
Rotation angle 90º ± 5º(by means of external travel stops)
Torque linear
Rotation angle 90º ± 5º (by means of external stops)
Sliding Bearings with Anti-friction Layer
Work temperature
-30°C to 100°C in Standard Constructions
-15º C to 150º C with FKM sealing rings (Viton)
-40°C to 80°C with silicone sealing rings
-55 ºC to 80 ºC with silicone sealing rings and 316 pinion (extreme low temperature)
Maximum working pressure: 8 bar (116 psig)
Total safety for spring replacement
Assembly of solenoid valves according to NAMUR standard
Device assembly according to NAMUR VDI/VDE 3845 standard
Coupling according to ISO 5211 and DIN 3337 (Octagonal Unit).
Position indicator with possibility to install mechanical position monitoring system or inductive sensors.
Optional:
fast acting actuators
Mechanical stroke limiters set 100%.
Epoxy coated body
Electrolytically nickel-plated body and covers or Nylon Polyamide 11 coating.
Special construction for high temperature services

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Description

COATINGS FOR SPECIAL APPLICATIONS

Actreg pneumatic actuators shall be protected against external corrosion by selecting the appropriate surface treatment.

BIDIRECTIONAL MECHANICAL STOPS

Actreg pneumatic actuators are supplied with bi-directional adjustment stops.
Bidirectional stops allow full adjustment of ± 5º between 85º and 95º. These stops are designed to absorb the actuator's maximum rated torque and impact loads associated with the recommended travel speed.
The adjustment of the rotation limits clockwise (Closing) and counterclockwise (Opening) is carried out by unscrewing the nuts, turning the respective screws to the right and left, in order to reduce or increase the angle.

ACTUATOR TEST

In all actuators manufactured by Actreg S.A. hydrostatic and electronic tests are performed.
The test is performed to check for leakage in both outer chambers, the tension between the chambers and the angle of rotation.
All bodies are marked with the year and month of manufacture, size and serial number.

PINION AND RACK - MODELS