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Valves, Actuators and Accessories • Electric Actuators Auma
A Electric Multi-turn Actuators Type SA
DESCRIPTION The Type SA (SA NORM) is the base actuator from which a variety of multi-turn actuators are designed. SA actuators are typically used in the automation of rising stem valves. Due to the modular design principle it can be combined with various controls, from simple open-close control to the explosion proof version or micro controlled version. The controls are connected to the actuator via a simple plug/socket connection.
A
The basic NORM actuator consists of a motor, worming gear, control unit, hand wheel for emergency operation, electrical connection and valve attachment. Torque values can be increase with the addition of gearboxes in order to automate valves of various sizes and pressures within any plant.
Design Features • Torque range from 10 Nm to 32,000 Nm • Output speeds from 4 to 180 rpm • Limit and torque sensing • Available with 3-ph AC, 1-ph AC and DC motors • Hand wheel for manual operation
Ambient Conditions • High enclosure protection • High quality corrosion protection • Wide ambient temperature ranges
Options
• Intermediate position switches • Switches in tandem version • Remote position transmitter • Magnetic limit and torque transmitter • Mechanical position indicator
Interfaces
• Electrical connection via AUMA plug/socket connector (optionally terminals) • Cable entries in different versions • Output drive types according to ISO and DIN standards