Versatile Electric Multi-turn Actuators SA and SAR

Versatile Electric Multi-turn Actuators SA and SAR by AUMA Used for Automation of Gate Valves or Globe Valves for Power plants

Actuators SA and SAR

Actuators of the SA type range for open-close duty and positioning duty are rated for class A and B or types of duty S2 - 15 min. A special version for longer running is available for the S2 - 30 min duty. 

 

The modulating actuators of the SAR range are rated for class C or types of duty S4 - 25 %. Special versions for S4 - 50 % and S5 - 25 % are also available. 

 

Actuators of type range SA/SAR can be combined with various controls from simple OPEN-CLOSE control to the micro-controlled version with logging of operating data or fieldbus interface.

 

Design features SA

 

l Torque range from 10 Nm to 32,000 Nm

l Output speeds from 4 to 180 rpm

l Limit and torque sensing

l Available with 3-ph AC, 1-ph AC and DC motors

l Handwheel for manual operation

Design features SAR

 

l Torque range from 15 Nm to 4,000 Nm

l Modulating torque range from 15 Nm to 1,600 Nm

l Max. number of starts 1,200 c/h

l Output speeds from 4 to 90 rpm

l Limit and torque sensing

l Available with 3-ph AC, 1-ph AC motors

l Handwheel for manual operation

Ambient conditions

l High enclosure protection

l High quality corrosion protection

l Wide ambient temperature ranges

Options

l Intermediate position switches

l Switches in tandem version 

l Remote position transmitter

l Magnetic limit and torque Transmitter

l Mechanical position indicator

l Functional safety: Up to SIL 2 in selected configurations

Interfaces

 

Electrical connection via AUMA plug/socket connector (optionally terminals)

Cable entries in different versions

Output drive types according to ISO and DIN Standards

 

Application field:Energy

Modular design for extreme requirements 

Power plants consisting of systems such as water and steam circuits, flue gas purification, cooling tower, boiler systems, and turbines. The control system regulates the processes within these systems to be visualised within the control room. Electric actuators mounted to valves control water and steam flows within piping systems. 

AUMA actuators offer an interface for all automated valves adapted to the power plant control systems. When used in power plants, AUMA actuators are characterised by their superior tolerance with regard to voltage, vibration, and temperature and can be adapted to any mounting position required.