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China Larson Door Closer Supplier – D30 SERIES Light Duty Concealed EN3 Door Closers – Dorrenhaus

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Our focus on should be to consolidate and enhance the quality and repair of present products, in the meantime constantly establish new products to meet unique customers' requires for Door Self Closing Hinges, Sargent Mortise Lock, Offset Door Hinges, Never-ending improvement and striving for 0% deficiency are our two main quality policies. Should you need anything, don't hesitate to contact us.
China Larson Door Closer Supplier – D30 SERIES Light Duty Concealed EN3 Door Closers – Dorrenhaus Detail:

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

Our concealed door closers are available in a variety of models, you can browse our website to find the door closer that suits you best, and we will provide you with the best customer service.

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.

Certification CE Marked
Spring Power FixedEN3
Durability 100,000 cycles above
Function Adjustable Closing speed
Adjustable Latching speed
Installation type Concealedwith sliding trackarm
Type Embedded
Max. Opening 120 °
Pressure relief valve Yes
Mechanism Rack&Pinion
Hand of door Non handed
Materials of Body Die-Cast Aluminum
Materials of guiderailand Main Arm 6061, Steel
Materials of Spring 60Si2Mn
Backcheck NO
Hold open Yes
Delayed Action NO
Bearing Full complement bearings for long durability
Application Suitable for interior wood, glass door and frames
Finish Silver, Brown, White,Black, Others upon request.
Warranty 5 Years
Door width 45mm wooden door minimum40mm sash door minimum
Body thickness Slim 32mm

DETAIL (1)
DETAIL (2)

Recommended Recommended Max.
Model # Spring power Door Weight Door Leaf Width (mm ) Notes
D30 3# 40-65 KGS 950 mm Slide track arm

*Note:Open the door to the desired angle,and then tighten the set screws in the slider combination.If the HO function is not needed,loosen the fixing screws.

DETAIL (3)


Product detail pictures:

China Larson Door Closer Supplier –  D30 SERIES Light Duty Concealed EN3 Door Closers – Dorrenhaus detail pictures

China Larson Door Closer Supplier –  D30 SERIES Light Duty Concealed EN3 Door Closers – Dorrenhaus detail pictures

China Larson Door Closer Supplier –  D30 SERIES Light Duty Concealed EN3 Door Closers – Dorrenhaus detail pictures

China Larson Door Closer Supplier –  D30 SERIES Light Duty Concealed EN3 Door Closers – Dorrenhaus detail pictures

China Larson Door Closer Supplier –  D30 SERIES Light Duty Concealed EN3 Door Closers – Dorrenhaus detail pictures


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Our company has been focusing on brand strategy. Customers' satisfaction is our best advertising. We also supply OEM service for China Larson Door Closer Supplier – D30 SERIES Light Duty Concealed EN3 Door Closers – Dorrenhaus , The product will supply to all over the world, such as: Cyprus, Slovenia, Italy, We've got constantly insisted on the evolution of solutions, spent good funds and human resource in technological upgrading, and facilitate production improvement, meeting the wants of prospects from all countries and regions.
  • With a positive attitude of "regard the market, regard the custom, regard the science", the company works actively to do research and development. Hope we have a future business relationships and achieving mutual success.
    5 Stars By Arabela from Paris - 2018.11.28 16:25
    With a positive attitude of "regard the market, regard the custom, regard the science", the company works actively to do research and development. Hope we have a future business relationships and achieving mutual success.
    5 Stars By Mike from Costa rica - 2017.11.12 12:31
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