Overhead Concealed Door Closer Light Duty Auto Sliding Max Door Width 950mm​

Dorrenhaus - 7 years supplier of world's top brand

Dorhaus brand overhead concealed door closer type No. D30, suitable for max.

internal door width 950mm, door weighing 65kg, min. door thickness of 45mm,

If the width of door is less than 950mm, the closer will be applicable for door

weight of max. 80kg.

Ω Light duty overhead concealed door closer with sliding track arm

Ω Hold open unit optional, which can be moved from rail easily

Ω Auto closing and latching speed adjustable

Ω Casting aluminum closer body / anodized aluminum sliding arm

Ω Certification of UL 10C, fire rated up to 3 hours

Ω Certification of UL 228, 200,000 + life cycles

Ω Max opening angle 150º, 120º for rail with hold open unit

Ω Fixed closing force #3, applicable for max door width 950mm

Closer Color - Silver, Bronze, Gold, Brown, Black, White

* SKILLED CRAFT: even operation, oil tight, noiseless

* SPRING THRUST, EASY BACK: the commercial-grade arm will not impact opening,

and close the door slow enough to allow for elegant entry and exit

* GENTLE, NO MANUAL CLOSING required: allow the door do the work, enjoy self-driven

shutdown and lock, maintain quiet and sureness.

-------- Closer Showcase --------

View All Door Closer in Showcase

-------- Our Advantage --------

1. Mainly for North America and EU market since foundation

2. Manufacture door closer only, 1.5-2.0mils pieces per year

3. European and Chinese ISO9001 quality system certification

4. ANSI Grade 1 certification, tested Life cycle of 5 mil. times

5. Long term supplier of global famous door control brands

-------- Closer Packing --------

-------- Company Profile --------

Dorrenhaus was originally founded in 1872, is a high-end Germany gating hardware brand, and formally

founded in China on Oct. 10th, 2011, with registered Capital: RMB 20mils, floor Space: 15000 M2. Most

members of management team have more than 15 years experience in door closer industry.

Dorrenhaus have strong precision manufacturing capacity, now have 6 complete production lines, with

annual output of 1.5-2.0 mils pcs of door closer.

           ------------ Our Advantages ------------

                     1.   Only produce door closer, annual output 1.5-2.0mils pcs.

                     2.   UL & CE certification, max. Life cycle test of 5 mil. Cycles.

                     3.   Pass European & China ISO9001:2015 QMS Certification.

                     4.   Mainly for export market since foundation in October, 2011.

                     5.   Long term cooperative supplier of world’s top security brands.

A High-end Germany Gating Hardware Brand

Originally founded in 1872, Dorrenhaus is a high-end Germany gating hardware brand. At the beginning of 1980's,

Dorrenhaus entered into Chinese market, and supplied numerous households in China with high quality hardware products.

On October 10, 2011, Dorrenhaus's door closer manufacturing base in China - Zhejiang Dorrenhaus Hardware Industry Co.

Ltd was formally founded. All members of management team have more than 15 years of experience in door closer industry.

Marketing Under Dorrenhaus and DORHAUS Brand

In 2017, our new trademark - DORHAUS was registered. We have $3 million registered capital. Our main products include

hydraulic door closers, automatic door closers, concealed door closers, commercial door closers, fire door closers, auto door

closers, sliding door closers, heavy duty door closers, overhead door closers, UL-listed door closers and door closer parts.

We have 205 total number of employees, which includes seven R&D staff and 13 quality control staff in our

15,000-square-meter factory.

Exporting Products Worldwide

Now, we have six complete production lines with annual output of 1.5 to 2.0 million sets. We export our products to more than

20 countries in North America, Europe, Russia, the Middle East and Southeast Asia. We passed the certification for EN ISO

9001:2008 quality management system in 2014, and ISO9001:2015 in 2017 respectively.

Our products passed many international and domestic certification and standard, such as:

American National Standard: ANSI 156.4 Grade 1, life cycle test of 2mil cycles

American UL228 and UL 10C for 3 hours fire testing

European Standard CE: EN1154, life cycle test of 500,000 cycles

European Standard CE: EN1634 fire testing

China National Standard: QB/T 2698-2005 Grade 1, life cycle test of 1 mil. cycles

China Compulsory Product Certification for fire rated door closer

Cooperate with Us Today

For more detailed information regarding our business, contact us today.