Door weight 90-120kg Aluminum Alloy hydraulic door closer

  Door weight 90-120kg  Aluminum Alloy Door Closers,   Material：aluminum Installation hole Size：230x19mm Function:Two values speed, Hold open optional QC:Each item will be checked before shipment Quality:Guaranteed, QC full inspection     Most shipping weights are approximate and unverified. If you need accurate weight information to determine shipping costs and must know the shipping cost to complete your order, please contact customer service for relevant information before submitting your order. Product images shown are actual photos or approximate representations. Colors may vary depending on your computer's graphics card and monitor color settings.   Do you know how to install a Door Control?   According to different usages and requirements,for each type of EC Hardware Door Accessories ,users can choose standard installation ,vertical installation of the door frame ,parallel installation ,slide rail installation and other different installation methods,in parallel installati…