Gearboxes GS
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
Description
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
- SIL parameters
- All parts within the power drive have been subjected to thermal hardening