Worm gear reducer GS series

right angle> 10 kNmfor valve actuators

AUMA worm gearboxes are used for the operation of part-turn valves and special valves (dampers, flue gas dampers, etc.). Type of duty: Short-time duty S2 - 15 min (Open-close duty) and inching/positioning Intermittent duty S4 - 25 % (Modulating duty only bronze) They can either be operated in: - manual operation directly via handwheel - motor operation (electric multi-turn actuator) Swing angle 0° to 190° or multi-turn without endstop Design features Torque range up to 675,000 Nm Reduction ratios from 39:1 to 3328:1 Swing angles up to 190° With or without primary reduction gearing 360° worm wheel End stops with travelling nut principle in accordance with AWWA C504 Output drive according to ISO standard adjustable end stops All parts within the power drive have been subjected to thermal hardening Ambient conditions Enclosure protection IP68 High quality corrosion protection –60 °C to +120 °C