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Valves, Actuators and Accessories • Electric Actuators
Electric Part-turn Actuators Type SG
DESCRIPTION The Type SG (SG NORM) is the base actuator from which a variety of part-turn actuators are designed. SG actuators are typically used in the automation of quarter turn valves. Due to the modular design principle it can be combined with various controls, from simple open-close control to explosion proof version or micro controlled version. The controls are connected to the actuator via a simple plug/socket connection.
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 100 Nm to 1,200 Nm • Swing angles from 80° to 110° • Operating times for 90 ° from 4 s to 70 s • Limit and torque seating • 3-ph AC, 1-ph AC and DC motors • Hand wheel for manual operation • Mechanical position indicator
Ambient Conditions • High enclosure protection • High quality corrosion protection • Wide ambient temperature ranges
Options
• Deviating swing angle • Intermediate position switches • Switch in tandem version • Remote position transmitter • Magnetic limit and torque transmitter • Mechanical position indicator
Interfaces
• Electrical connection via AUMA plug/ socket connector • Cable glands in different versions • Output drive types according to ISO standard