VariVent® roller ventilation from Lock offers all of these options:
VariVent® roller ventilation guarantees high levels of operational reliability because lightweight aluminium tubes with small diameters and low-speed drive units can be used.
A single drive unit is all that is required for a building length of 100 metres at an opening height of max. five metres.
The extensive range of these tried and tested systems and components will enable you to find the ideal solution for every requirement and set of circumstances.
Combine them to suit your needs: drive unit, gear unit, couplings, cable drums, controllers. This will ensure that you find an efficient solution for this very specific task in your project.
And if you are not entirely certain, we will be pleased to help you. With detailed proposals for solutions backed up by calculations in which we bring all of our experience and expertise to bear.
1. Power drive // EWA
Self-locking worm gear unit, version A60, suitable for external installation.
Manual drive // HWA
Self-locking worm gear unit. Housing made of a special casting, gear unit made of steel. Various versions with sprocket wheel and long crank are possible.
2. Reversing gear unit // KGO
90° reversing gear unit to distribute forces.
3. Cable drum // STR
With mounting console for VariVent® systems, lifting windows etc.
4. Telescopic coupling // GKT
With length adjustment for VariVent® roller systems, all parts non-rusting (i.e. stainless).
5. Roller tube // WRO
Roller tube ø 50 mm with piped groove ø 10 mm.