applicable to the door of the outside switch inside the way,hallway

For Commercial and Residential useFireproof application.Can be open regularly up to 953oC.To be applicable to the wooden and steel doors for in and out through the aisle or hallway.Master keys and unified keys are availableChina National Fixed Fire Extinuishing Systems and Fire-Resisting Building Components Test Passed.

CB-S18 Aisle Door Lock