Dorrenhaus comprises R&D center, testing laboratory,manufacturing center and sales dept, has over 10 in-service engineers and research specialists. Since it was founded, developing High performance door control products has always been the objective of Dorrenhaus. Dorrenhaus people have continuously tried to improve product quality, introducing oversea high and new technical equipment,giving our company good technical capabilities. Moreover, all of our R&D engineers has more than 20 years experience in door closer industry.
Material | Aluminum cover,Iron body,SS tube |
Push Bar Length | 500mm |
Total Length | 1045mm |
Doogging | Allen Key |
Upper and lower tube length | 900mm |
Striker | Zinc |
UL CODE | SA44924 |
Finish | Silver painted,customer request available |
Lock Point | 2 |
Security Latch | Non |
Door width | 650mm-1070mm in normal,special size for customer request |
Door Height | Standard Max Door Height 2160mm |
Warranty | 3 Years |
Certification | UL305 Certificate |
Do all exit doors need panic hardware?
Keep in mind that when an application requires panic hardware, all of the doors in the means of egress from that room or area will typically require panic hardware, including the exit access, the exit and the exit discharge.
Who invented the panic bar?
Robert Alexander Briggs lived in Sutherland, England and is credited with the invention of the panic bar. By 1892, Briggs was awarded a UK patent for his commercial door improvement. However, he wasn’t the only one thinking about change.