

Contacts
Sinisa Jambrek
Tel +385 (0)1 / 6531 485
Email: s.jambrek@apis-centar.com
Darko Hranj
Tel +385 (0)1 / 6531 485
Email: d.hranj@apis-centar.com
For documentation, send email to auma@apis-centar.com
Worm gearboxes GS 50.3 - GS 630.3 and GS 315 - GS 500
AUMA worm gearboxes are used for the operation of part-turn valves (e.g. butterfly valves, ball valves).
Design features:
Ambient conditions:
Options:
- Type of duty:
Short-time duty S2 - 15 min (Open-close duty)
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)
- Gearbox is prepared for mounting an actuator flange
- Clockwise rotation at the input shaft results in clockwise rotation at the output drive
Design features:
- Torques up to 675,000 Nm
- Reduction ratios from 39:1 to 3328:1
- Swing angles up to 100°
- Adjustable end stops (option)
- Output drive according to ISO standard
Ambient conditions:
- High enclosure protection
- High quality corrosion protection
- Wide ambient temperature range
Options:
- Swing angle > 100 ° or multi-turn (without end stops)
- Worm wheel made of bronze for modulating applications
- Clockwise rotation at the input shaft results in counterclockwise rotation at the output drive
