BS EN 1154:1997 -The European standard for the performance of controlled door closing devices. Providing details on product types, classification by use, test cycles, test cycles, door mass, corrosion resistance, as well as definations, product performance requirements, test apparatus, test methods and marking of products. BS EN 1154:1997 classifies door closers by using a 6 digit coding system.

It is desirable that doors at final exit in public buildings,places of intertainment, shops etc should be fitted with panic devices operated by a horizontal bar or touch bar. the emphasis for products coverd by this standard on safe exit rather than security.

Are classified under the same classifications as the door hardware in/on which they are integrated. This means that the access control systems supplied by GBM Solutions is classified according to EN1303 – cylinder for locks, DIN EN 18252 – locking cylinder for door locks, DIN EN 1906-door handles and door konbs and DIN EN 179 apply for the equipment that we supply .

BS EN 1906 classifies door furniture by using an 8 digit coding system. A similar classification applies to all building hardware productStandards so that complementary items of hardware can be specified to, for instance, a common level of corrosion resistance, category of use, etc. Each digit refers to a particular feature of the product measured against the standard's performance requirements.

D&D grade 3 level handle are suitable for high frequency of use by public or others with little incentive to exercise care and with a high chance of misuse , e.g.public office doors ,common area doors etc.

D&D CE mark European Mortise Lock Successfully tested for conformity to all the requirements of BS EN 12209, 11 Classification:3X910G3BC20

The D&D pinning Center is staffed by factory trained technicians and is equipped with the latest computerized software and key cutting machinery.

As a professional door closer manufacturer in China, we provide customers various exterior and interior door closer, like concealed door closer, heavy duty door closer, etc. Our door closers are high-quality, durable, anti-rust and textured. The door closers we provide are suitable for wooden door, metal door, fire rated door, double door, single door, steel door of commercial or residential application.

It is desirable that the doors at final exits in public buildings, places of entertainment, shops etc should be fitted with panic devices operated by a horizontal bar or touch bar. The emphasis for products covered by this standard is on safe exit rather than security.

American National Standard Institute (ANSI) ANSI 156.1 This Standard establishes requirements for butts and hinges. Cycle tests, lateral and vertical wear tests, friction tests, strength tests, finish tests, and material and dimensional requirements are included.

Guidelines for frequency of door usage and standard for lock Build type Daily usage Yearly usageStandard for lock High frequency & Heavy weight door Large department store entrance 5,000 1,825,000 ANSI standard Lock Hospital corridor and surgical

American National Standard Institute(ANSI).European(EN).Australian Standard(AS).CNACL China Local Fire Test Beauer Certificate CANCL to be satisfied

D&D Hardware Mortise Locks are meet EN12209,according to DIN 18250, 18251, suitable for commercial, industrial and prestigious residential projects and provide different functions to meet various applications.

In today's international business, more and more customers prefer to do business directly with factories, because factories always give better price and professionalism,So more and more trading companies pretend to be a factory.