STEBAdrive

Battery-supported damper operation in the event of a power failure - simply via UPS in the control cabinet!

Damper actuator 24V DC with high availability for flow control, for release of the extinguishing water reserve, for supply release in the network, for actuation of discharge dampers, as well as for safety in case of emergency and malfunction.

Lowest electrical power, highest torque even with battery operation during mains failure. The Scheidegger damper actuator with 24V DC supply convinces with its ideal power transmission.

“1/4 direct rotation” or “crank drive” for butterfly and control dampers

A selection of adapter parts allows the actuator to be mounted on commercially available damper makes – available for all standard sizes from DN50 to DN1000. Two types are offered; the “1/4 direct rotation” actuator for control and butterfly valves ≤DN 300 (or ≤DN 250 for butterfly valves) and the “crank actuator” without rotation limitation, which is available for control and butterfly valves of all nominal sizes.

Interfaces and information

Both actuator types are equipped as standard with discrete signal outputs, for position and status transmission to the control system. On the “1/4 direct rotation” type, the damper position can additionally be read off by means of a position indicator on the housing; furthermore, the damper status is indicated by a light signal.

Redundancy

For operation in the event of a malfunction, the actuator is supplied as standard with a conveniently operated hand crank. On the 1/4 direct turn drive, the hand crank is permanently installed, while a key for manual operation is available for the crank drive in the scope of delivery.

Why use a Swiss product?

Products from our Water Supply Competence Center in Burgdorf have a very high degree of in-house production, are extremely robust, efficient and have been tried and tested since 1970. With our conscientious and high-quality service, we offer operational reliability and spare parts even for damper actuators that left our factory several decades ago. The product has been awarded the Swiss label.

Further information on request.

  • STEBAdrive leaflet

Technical information

Electrical and mechanical performance/characteristics of the damper actuators.

Properties

    • Power supply via switch cabinet UPS possible (note dimensioning)
    • Operation by hand crank in emergency
    • Integrated current monitoring
    • Small design, light construction weight
    • Adapter available for mounting on all commercially available damper brands
    • Attachment to existing dampers available as a service

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References to this product

Questions and answers

In general, yes. However, we recommend using our service offer for this, which results in the following advantages for you: - Exact adjustment of the end positions to increase the longevity of the flap. - Adjustment of the current monitoring so that alarms are generated at the right moment when the flap is heavy and false alarms are prevented. - Quality workmanship by experienced personnel.
Please contact one of our customer advisors - we will be happy to assist you with the design. Basically, the current consumption of the actuator is influenced by the connected damper by the following factors: - Nominal size - Make / mechanics - Water pressure - Medium
There is or was an overload situation. If the flap is blocked, you must clean the flap and remove a jammed object if necessary. If the object has already removed itself, a reset must be carried out. Type 1/4 direct rotation: Push the crank handle in and pull it out again. Crank drive type: Carry out the reset function with the crank handle (see operating instructions)
The colours indicate the following: 1/4 direct drive: Green: Drive is in manual operation mode Red: There is or was a mechanical overload No light: Normal operation Crank drive: Green: Drive is in manual operation mode Red: There is or was a mechanical overload Orange: Reset has been carried out No light: Normal operation
The crank drive is usually attached to a transmission gearbox that already has a position indicator.

Let us advise you.

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