Chain drives for smoke and heat extraction and controlled natural ventilation are known for their use at the main closing edge for bottom-hung, top-hung and side-hung sashes, whether opening inwards or outwards. The opening width is limited by the existing chain length.
With the new bracket set K-K30-ZB, the EA(230)-K-30 chain drive can now also be installed on the secondary closing edge.
With the so-called "drawbridge" application, higher opening angles can be achieved by mounting closer to the hinges. The accessory bracket is attached to the standard drive and ensures that the chain slides out at an angle with a guide roller. This application is only possible for bottom hung sashes.
Function: - Additional bracket for EA-K-30 chain drive for secondary closing edge application
- For EA-K-30/XXXX chain drive
- Adapter bracket for lateral sliding of the chain at the chain outlet
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