Whether rail or swing vents, at Lock you will find a complete range of LZG and UBL rack & pinion gear units for Venlo greenhouses that are perfectly matched to the EWA range of power drives.
These are the advantages of the LZG rack & pinion gear units:
Our speciality involves the ventilation systems on open-roof greenhouses that can be closed within 2 minutes with the TurboLogic system.