Part-turn gearboxes, Part-turn gearboxes with base and lever

GS part-turn gearboxes

AUMA part-turn gearboxes are used for operating part-turn and special valves (damper, flue gas damper, ball valves).

Type of duty: Short-time duty S2 - 15 min (open-close duty) and positioning duty
Intermittent duty S4 - 25 % (modulating duty, bronze only)
Selection of operation modes: - Manual operation directly with the handwheel - Motor operation (electric multi-turn actuator)
Swing angle 0° to 190° or multi-turn

Torque range

250 Nm to 675000 Nm

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Design features

Swing angle up to 190 °
With or without primary reduction gearing
360° worm wheel
End stops with travelling nut principle according to AWWA C504
Valve attachments according to EN ISO 5211
All parts within the power drive hardened by thermal treatment

Service conditions

Wide temperature range
Highest enclosure protection
High quality corrosion protection

Options

Swing angle > 100° or multi-turn version (without end stops)
Worm wheel made of bronze for modulating applications
Clockwise and counterclockwise closing versions
Base and lever, chain drive
Housing made of spheroidal cast iron
Version for applications in drinking water
Nuclear version
Fireproof K-MASS® coating
Extension flange
Im1 to IM3 version according to ISO 12944-2
Housing made of spheroidal cast iron
Functional safety:
Up to SIL 2 possible for selected configurations

Specifications

Key information at a glance

Design features

Service conditions

Approvals

250 Nm – 675000 Nm

Torque range

39:1 – 3328:1

Reduction ratios

IP68

Enclosure protection

Corrosion protection

-60 °C – +120 °C

Ambient temperature

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GS part-turn gearboxes

Specifications

Key information at a glance

Design features

Service conditions

Approvals

GS part-turn gearboxes

Specifications

Key information at a glance

Design features

Service conditions

Approvals

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