Buy Factory best selling Buffer Hydraulic Spring Door Closers Hotel Corridor Door Closers Manufacturer and Factory

Factory best selling Buffer Hydraulic Spring Door Closers Hotel Corridor Door Closers

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This D803 SERIES EN3 Budget Type Door Closers, CE Mark certified, Fixed EN3, Materials of Body are Die-cast Aluminum, with multiple functions, adjustable closing speed, locking speed, Hold Open Optional, can meet the daily requirements In various scenarios of use, the maximum door weight is 65 kg, the Arm Type is Dorma type arm, and it is very durable. The number of cycles can reach more than 500,000 times. We can also provide you with a 5-year warranty service. Various colors are available, Silver, Brown, White,Black, Others upon request.

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We always believe that one’s character decides products’ quality, the details decides products’ high-quality ,together with the REALISTIC,EFFICIENT AND INNOVATIVE crew spirit for Factory best selling Buffer Hydraulic Spring Door Closers Hotel Corridor Door Closers, We welcome an opportunity to do business with you and hope to have pleasure in attaching further details of our products.
We always believe that one’s character decides products’ quality, the details decides products’ high-quality ,together with the REALISTIC,EFFICIENT AND INNOVATIVE crew spirit for China Door Closer and Hotel Corridor Door Closers, With many years good service and development, we’ve a professional international trade sales team. Our products have exported to North America, Europe, Japan, Korea, Australia, New Zealand, Russia and other countries. Looking forward to build up a good and long term cooperation with you in coming future!

Certification	CE Marked
Spring Power	Fixed EN2-EN4
Durability	500,000 cycles above
Function	Adjustable Closing speed Adjustable Latching speed
Installation type	Fig1,Fig66,Fig61
Max. Opening	180 °(Fig1,Fig66,Fig61)
Arm Type	Fixed or Detachable
Mechanism Type	Rack&Pinion
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
Backcheck	NO
Delayed Action	NO
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
Warranty	5 Years
Cross reference	DORMA TS 77

As closers for fire/smoke doors have a critical safety function, application of the CE mark requires independent verification by a notified certification body involving initial type-testing of the product to BS EN 1154 and/or BS EN 1155, inspection of the manufacturer’s factory production control and continuing surveillance and approval of the factory production control system.

Recommended for interior or exterior doors including:
• Offices
• Banks
• Retail Malls
• Hotels
• Health Care
• Clinics

CE marking is a key indicator of compliance with European Union legislation. All products which fall within the scope of the EU’s New Approach Directives and comply with all essential requirements must carry the CE mark.

detail (2)

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

detail (2)

*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.

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We always believe that one’s character decides products’ quality, the details decides products’ high-quality ,together with the REALISTIC,EFFICIENT AND INNOVATIVE crew spirit for Factory best selling Buffer Hydraulic Spring Door Closers Hotel Corridor Door Closers, We welcome an opportunity to do business with you and hope to have pleasure in attaching further details of our products.
Factory best selling China Door Closer and Hotel Corridor Door Closers, With many years good service and development, we’ve a professional international trade sales team. Our products have exported to North America, Europe, Japan, Korea, Australia, New Zealand, Russia and other countries. Looking forward to build up a good and long term cooperation with you in coming future!