Small storeroom has a single leaf swing type metal door that is fire rated according to European Standard

D and D Hardware is expected to provide architects, builders, designers, and end users with door hardware that is centered around security, safety, function, and convenience. D and D door hardware is specifically designed to cater to the requirements of commercial buildings. D and D Hardware has the ability to offer comprehensive door hardware solutions for Single Metal Doors.

The main considerations for door design are as follows:

 1, The location of the building and inner door

 2, Frequency of door opening and closing

 3, The door is resistant to fire and provides insulation against heat.

The main points of concern for this configuration are:

 1, Able to be easily managed or handled.

 2, Security

Description of the opening and closing of the door:

The latch bolt can be operated either by a key from the outside or by a lever from the inside. The outside lever is always in an inoperative state. When the door is closed, the auxiliary deadlocks latch bolt. The inside lever is always available for immediate exit.

To ensure compliance, it is necessary for fire-rated doors to have a device that closes on its own, whether it's self-closing or automatic-closing.

The door remains closed and latched.

This configuration is appropriate for the applications listed below:

 Door hardware association

 01 HANGING - Hinge - DDSS001-CE

The D&D 2 ball bearing butt hinge can be made of stainless steel materials in grade 201/304/316. It has a square corner, template drilling, and button tipped five knuckles. It conforms to CE standards for a fire rating of 260 minutes and is marked with the CE symbol. It is suitable for use on doors that are fire-rated, non-fire rated, or used for smoke check purposes, weighing up to 120 kg. It also comes with a suitable pack of screws.

02 OPERATING - Lever handle-DDTH001

D&D offers a U shape lever handle, measuring 19 x 140mm in diameter. The handle is made of grade 304/316 stainless steel material, which is resistant to rust. It has a SSS finish and is fixed onto dia53 x 9mm size concealed roses with a SSS finish. The roses also come with a Cylinder escutcheon. The handle complies with EN1906 standard, specifically CLASS 4, and is accompanied by a suitable screw pack.

03 SECURING – Night latch lock -DDML014

The D&D Night latch lock can be operated by a key from outside or by a lever from inside. The lever outside is always not functioning. The latch bolt is locked by the auxiliary deadlocks when the door is closed. Inside lever is always available for immediate exit.

04 SECURING - Lock cylinder-DDLC010

D&D offers a half cylinder with a key-cylinder size of 35/10mm (45mm). This cylinder has 6 pins and is provided with 3 different keys. It comes packed with a fixing screw.

05 PROTECTIONﾠ-ﾠDoor stop-DDDS001

The D&D is a floor-mounted, half-moon type fixture made of SUS304/316 stainless steel. It has a diameter of 44mm and a height of 25mm. The fixture comes with screws for fixing and is finished in SSS. It is packed with a suitable screw pack.

06 CONTROLING - Door closer - DDDC017

The D&D adjustable power size 3-4 is suitable for doors with a maximum width ranging from 950mm to 1100mm, and a maximum weight ranging from 60kg to 80kg. It has dimensions of L248xW44.5xH72mm and is made of aluminum with a silver finish. The product is CE certified and has a parallel arm design with a non-hold open function. It features adjustable closing and latching speed. The installation is done on the push side, with a standard top jamb. The product comes packed with a suitable screw pack.

D&D can help you discover the appropriate Door Hardware Solution based on your building type, usage requirements, door location, and other factors.

Kindly inform us of your requirement so that we can provide a solution for you.

Now, get in touch with us.