Views: 128 Author: D&D Hardware Publish Time: 2017-12-20 Origin: D&D Hardware
American National Standard Institute (ANSI) ANSI 156.3
| Item | ANSI 156.3 |
| Cycle-test | Grade 1-500,000 |
| Grade 2-250,000 | |
| Grade 3-100,000 | |
| Fire Test | Pass UL 10 C 3 hours fire test |
| Anti-corrosion | Salt Spray Test 200 hours |

1. SCOPE
1.1 This standard establishes requirements for exit devices and trim, automatic and self-latching flush bolts, removable mullions, coordinators, and carry-open bars. Performance criteria include cycle, operational, strength, material evaluation, and finish tests. Functions and types are described and numbered.
1.2 Tests described in this standard are performed under laboratory conditions. In actual usage, results vary because of installation, maintenance and environmental conditions.
D&D continue to improve the processing techniques and upgrade the processing equipments, So that we can keep on providing higher quality products with more competitive price.
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