Home Products DPS locking cylinders General Information The DPI system is the result of technical know-how during decades and consequent development. Because of its excellent price/performance relation this system is often used for the protection of private homes and companies. How does it work? DPI is characterised by two independent and crossed profile systems. The control of the access authorisation is achieved through the plug ribs, a side bar and the pin tumblers. Your advantages 3 independent security levels: 1 length profile, 1 side profile and 1 pin system The length profile is specially adapted for the side profile with extra large key cross sections Long lasting differentiation of the profiles through large profile cross sections on the variable profiles High picking protection through minimum 4-fold overlapping of the plug ribs in the picking area Protection against drilling and ANTI-opening system through mushroom pins High wear resistance and long durability through special plug pins and springless operating side bar Technical (key manipulation) and oranisational (security card) key protection Legal key protection through patents: e.g. Euro-Patent-No. 0566.701, Austrian Patent-No. A2217/91* and DEGM G91 15 223.2   [ Back ]