What requirements should hoistway safety doors, access doors and access trapdoors meet?
①Do not open into the shaft;
② A lock with a key should be installed, and when the door is opened, wholesale access panels it can be closed and locked without a key; in the case of locking, the door can be opened from the inside of the shaft without a key;
③ These doors should be equipped with electrical safety devices that meet the requirements of the specification, and the elevator can only run when it is in a closed state; (except for the maintenance trap door during the maintenance operation) The height of the shaft safety door shall not be less than 1.8m, and the width shall not be less than 0.35m; The height of the access door shall not be less than 1.4m and the width shall not be less than 0.6m; the height of the access trapdoor shall not be greater than 0.5m and the width shall not be greater than 0.5m.
④ These doors shall be non-porous and shall have the same mechanical strength as landing doors.
The elevator inspection door is used to enter the hoistway for maintenance, and it is enough to open the door in a convenient place; the hoistway safety door is to meet the requirements, that is, the height difference between the two floors does not exceed 11m, which can be used for escape when the elevator stops unexpectedly; The maintenance trap door is generally installed on the upper part of the top floor, which is equivalent to opening a hole in the top floor. The door opens to the sky, and people can climb in. This is also the method when it is inconvenient to install the door. The three types have many similar requirements, such as: do not open into the hoistway; install an open lock, and use a key to close and lock after opening; the elevator can only run if the three doors are closed.
Tags: access panel, Fire Rated Access Doors, wholesale access panels
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