Welcome to D&D HARDWARE INDUSTRIAL Co., Ltd . 
Pls inquire to sales@danddhardware.com
//:+86 139 2903 7292
Home » Door Solutions » Door Solutions » Fire Rated Door & Hardware » Stairwell Emergency Exit Door » Fire Rated Double Metal Door Solution for Staircase Escape Door-American Configuration

Fire Rated Double Metal Door Solution for Staircase Escape Door-American Configuration

Views: 13     Author: D and D Hardware     Publish Time: 2021-01-25      Origin: D and D Hardware

Staircase Escape Route - Swing Type Double Metal Door without Overlap- Fire Rated – American Standard

Security, safety,function and convenience are the foundation of door hardware that architects, builders, and designers, and end users expect from D and D Hardware.  D and D door hardware is manufactured to meet the needs of commercial building. D and D Hardware can provide complete door hardware solutions for your Double Metal Door.

Staircase Escape Route-Double Metal Door-American Standard-D and D Hardware


Door design considerations mainly as below:

1, Where the building and inner door located

2, Direction of the flow of people in the building

3, Number of people the building expecting

4, It is a fire resistant and heat insulated door


Main concern points for this configuration are:

1, Safety


Door opening & closing description:

Outside lever trim retracts latch bolt. Key outside locks or unlocks lever.

Inside vertical rod exit hardware always free for egress.

Door closer self-closing the door anytime it opens.


This configuration is suitable for below applications:


Government Building


Air-port Building

5-stars Hotel


Elderly House

Shopping Mall



High-end Office Building



Office Building

Exhibition Center

Associated door hardware

01 HANGING - Hinge-DDSS001-ANSI-2

ANSI Door Hinge

D&D 4.5x4.5x3.4-2 ball bearing butt hinge can be in grade 201/304/316 stainless steel material, square corner, template drilled, button tipped five knuckles, UL listed (3 hour fire rated), with UL Mark, ANSI/BHMA A156.1 Grade 2 certified, suitable for use on fire/non-fire rated/ smoke check doors up to 120 kg, with suitable screw pack.

02 OPERATING & SECURING - Lever trim-DDPD018 & DDLC011

Stainless Steel Escutcheon Lever Trim-DDPD018Keyway Rim Cylinder-DDLC011

D&D lever trim, in grade 304 stainless steel/Zinc material, SSS/Silver finish, with key to lock or unlock Cylinder from the outside, conforming to ANSI/BHMA Grade 1 standard, with suitable screw pack.

03 CONTROLING – Door closer-DDDC017

UL Metal Door Closer-DDDC017

D&D adjustable power size 3-4, suitable for max door width from 950mm to 1100mm, suitable for max door weight from 60kg to 80kg, size L248xW44.5xH72mm, in aluminum material silver finish, UL listed (3 hour fire rated), parallel arm, non-hold open function, adjustable closing and latching speed, standard top jamb, push side installation, packed with suitable screw pack.

04 SAFETY – Vertical Rod Exit Device-DDPD004

Push Bar-DDPD004

D&D Vertical Rod Exit Device- half-length pressing touch bar with deadlocking latch bolt, non-handed, inside always free to exit by pressing the bar, suitable for doors width from 650mm to 1000mm, door thickness from 44.5mm to 50mm, standard door height is 2100mm (door higher than standard, please contact D&D), suitable for use of External locking attachment (such as lever trim). UL listed (3 hour fire rated), comply to ANSI/BHMA Grade 1. Suitable for use on fire rated doors.

05 PROTECTING – Dust proof socket-DDDP002

Stainless Steel Dust Proof Strikle-DDDP002

D&D Dust proof socket, in stainless steel 304 material, matt finish, size dia25x39mm, for dia 13mm bolt.

D and D can assist you find the correct Door Hardware Solution according to your building type, use requirements, the location of the door and other factors.

Please advise your requirement so we can send solution for you.

Contact us Now:

Contanct Us

  NO.4 Bidg,Street 33,West Gaoxin Rd,High-tech Zone,Jianghai Dist.Jiangmen City,Guangdong,China
   +86 139 2903 7292
   +86 139 2903 7292
  +86 139 2903 7292


To get international branded quality at factory cost
 Copyright ©2021  D&D HARDWARE INDUSTRIAL Co., Ltd . All Rights Reserved. |Sitemap
We use cookies to enable all functionalities for best performance during your visit and to improve our services by giving us some insight into how the website is being used. Continued use of our website without having changed your browser settings confirms your acceptance of these cookies. For details please see our privacy policy.