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Escape Course - Swing kind dual steel door without overlap to outside- fire rated-- American criterion

Author: Site Editor     Publish Time: 2023-08-26      Origin: Site


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Door layout considerations mostly as listed below:

1, Where the structure as well as inner door situated
2, Instructions of the circulation of people in the structure
3, Number of individuals the building expecting
4, It is a fire immune and also warm insulated door

Main issue factors for this arrangement are:
1, Security

Door closing & opening up summary:
Outdoors lever trim retracts lock screw. Trick outside locks or unlocks bar.
Inside vertical pole leave hardware constantly totally free for egress.
Door closer self-closing the door anytime it opens up.

This arrangement appropriates for listed below applications:


Super market

Air-port building

5-stars hotel


Elderly house

Shopping mall



High-end office building



Office Building

exhibition center

Government building

Associated door equipment


D&D 4.5x4.5x3.4-2 ball birthing butt joint can be in grade 201/304/316 stainless steel material, square edge, theme drilled, switch tipped 5 knuckles, UL detailed (3 hr fire ranked), with UL Mark, ANSI/BHMA A156.1 Grade 2 certified, suitable for usage on fire/non-fire rated/ smoke check doors as much as 120 kg, with appropriate screw pack.


D&D bar trim, in grade 304 stainless steel/Zinc alloy material, SSS/Silver finish, with key to open or lock Cyndrical tube from the outdoors, satisfying ANSI/BHMA Grade 1 criterion, with ideal screw pack

CONTROLING-- Door closer-DDDC017

D&D flexible power size 3-4, suitable for max door width from 950mm to 1100mm, ideal for max door weight from 60kg to 80kg, dimension L248xW44.5 xH72mm, in light weight aluminum product silver coating, UL noted (3 hour fire ranked), identical arm, non-hold open feature, flexible closing and also latching rate, standard top jamb, push side setup, packed with ideal screw pack.

CONTROLING - Identical arm bracket for door better

Closer rests under the structure stop on press side of the door, as well as the jointed arm lies parallel to the door.

SAFETY – Vertical Rod Exit Device DDPD004

D&D Vertical Pole Departure Tool- half-length pressing touch bar with deadlocking lock screw, non-handed, inside always free to exit by pressing the bar, ideal for doors size from 650mm to 1000mm, door thickness from 44.5 mm to 50mm, conventional door elevation is 2100mm (door higher than standard, please call D&D), ideal for use of Exterior securing attachment (such as lever trim). UL provided (3 hour fire ranked), conform to ANSI/BHMA Quality 1. Suitable for usage on fire ranked doors.

SHIELDING - Dirt evidence outlet DDDP002

D&D Dirt evidence socket, in stainless steel 304 material, matt surface, size dia25x39mm, for dia 13mm screw.


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