|Spring Power||Fixed EN2-EN4|
|Durability||500,000 cycles above|
|Function||Adjustable Closing speed
Adjustable Latching speed
|Max. Opening||180 °(Fig1,Fig66,Fig61)|
|Arm Type||Fixed or Detachable|
|Hand of door||Non handed|
|Materials of Body||Die-cast Aluminum|
|Tested to EN1154||Report NO.WIL433044|
|Tested to EN1634||WF report NO.422554|
|CE Marked||CERTIFIRE Certificate NO.CF5789|
|Power Adjustment Method||By using different templates|
|Fitting Application||Fig1,Fig 66 &Fig61|
|Body Construction||Heat-treated pinion and steel piston|
|Finish||Silver, Brown, White,Black, Others upon request.|
|Cross reference||DORMA TS 77|
Hold Open door closers include a special arm to hold the door in the open position. Note: Hold Open door closers are not allowed on fire-rated doors.
Door Closer and Hold Open Feature For Disability, Elderly, and Children
The automatic door closer is designed to mount at the top of the door or frame. This hydraulic door closer features a heavy duty internal spring which allows the device to automatically close the door each time a person uses the door.
|Model #||Spring power||RecommendedDoor Weight||RecommendedMax.Door Leaf Width (mm )||Notes|
|D502||2#||20-45KGS||850mm||Dorma arm optional|
|D503||3#||40-65KGS||950mm||Dorma arm optional|
|D504||4#||60-85 KGS||1100mm||Dorma arm optional|
*Recommended for, but not limited to interior doors including:
Aftermarket: Office doors, Utility doors, Storage doors
Storefront: Retail/Outlet malls, Convenience stores, Warehouse doors
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.
Dorrenhaus have passed ISO9001 quality management system certification,EN1154 and EN1634 certification, UL certification, Fire prevention certification etc.With our strong technical strengths, Dorrenhaus has developed high-quality and high-performance door closer that have won recognition from users. Its professional and perfect service and sincere cooperation has created more value for customers, and has established a stable and solid marketing network for Dorrenhaus.Currently,Dorrenhaus door closer is already exported to Middle East, North America, Europe, Russia,South-East Asian and 20 other countries and regions.It is widely used in airports, hotels, subways, hospitals, schools and other large public places.