Views:0 Author:D&D Hardware Publish Time: 2021-07-29 Origin:D&D Hardware
The device and its accessories must be chosen taking account of the type of user:
• devices placed on the market after 1 July 2013 and intended for use by the general public must be CE Marked to BS EN 1125 – Panic exit devices operated by a horizontal bar, and preferably provided with additional product certification by an approved third party certification body.
• devices placed on the market after 1 July 2013 for use by trained personnel must be CE Marked to BS EN 179 - Emergency exit devices operated by a lever handle or push-pad, and preferably provided with additional product certification by an approved third party certification body.
Approved Document B recommends that panic exit devices be used if the area has more than 60 occupants, irrespective of the nature of the building. If there is any doubt about the conditions relating to building occupancy, it is recommended that devices covered by BS EN 1125 (panic exit devices operated by a horizontal bar) be specified.
Devices for use on pairs of doors should have been specifically tested and approved for that purpose.
Standard projection exit devices should be used where there is restricted width for escape, or where the exit doors cannot open beyond 90°.
Care should be taken that hinges and any seals are correctly fitted so that the escape doors are able to open freely once the exit device is operated.
A regular programme of maintenance must be undertaken to ensure that the correct operational performance is maintained for the life of the building.
No additional security devices should ever be fitted to escape route doors unless specifically included in the Fire Risk Assessment.
The exit device and any accessories should have demonstrated their ability to be suitable for the intended purpose, by inclusion in satisfactory fire tests to BS EN 1634-1 or BS EN 1634-2, on the type of timber or steel door-set and configuration in which it is proposed to be used. This evidence should be provided by an approved third party certification or testing body.
Devices for use on pairs of doors should have been specifically fire tested on an appropriate set of double doors and approved for that purpose.
The exit device should not include any dogging mechanism unless its use is proven by fire test evidence on self-closing unlatched fire doors.
From Code of Practice: Hardware for Fire and Escape Doors.
In the face of the emerging high-rise buildings, the escape device is the main tool for the personnel in the high-rise buildings to escape in case of fire. It can ensure that the escape personnel can quickly leave the fire site and reach the safety place in a short time.
D & D's escape device has passed the test of BS EN 1125. It has security function, anti-theft and anti prying. At the same time, it is specially designed for fire conditions. It is long strip and push rod type, which increases the contact area and unlocking opportunity. Even if you can't see clearly and have no strength, you can unlock and open the door at the same time as long as you use the running force and body weight to push and press any part of your body on the door, Safe and convenient.
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