Medium Duty Aluminum Door Closer with Hold Open Feature For 25 - 85kg Door

Medium Duty Aluminum Door Closer with Hold Open Feature For 25 - 85kg Door

• Closer body meet EN1154 Euro standard
• Focusing on manufacturing door closers
• Closing size 2-4 adjustable by template

Dorrenhaus Hold Open Arm Door Closer has an adjustable screw cap that allows the
HO arm to lock while they arrive at a preselect position. The arm could be used on
many Dorrenhaus Closers as the Hold Open function is in the arm not in the body.

Ω Medium duty hydraulic aluminum door closer with hold open feature
Ω Precised casting aluminum closer body & forged steel hold open arm
Ω Adjustable Latching & Closing Speed Controlled by Regulating Valves
Ω Adjustable Back Check, DT-03 and DTWB hold open arm optional
Ω Max Opening Angle: 120 degree, usually set angle at 90º to 105º
Ω No need to close manually, designed for all standard installations
Ω Fixed spring power #3, closing force adjustable size 2 - 4 by template
and towards of arm bracket, suitable for max. 25 - 85kg door weight
Ω The closer body was produced according to EN1154 standard

► 7 years cooperative manufacturer of international first-rate door closer companies


Finishes: Painted - Silver, Bronze, White, Gold, Black, Brown

* SPRING FORWARD, EASY CLOSING: 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: the door will closer by itself, enjoy self-acting closing
and locking, keep quiet and sureness
* Exquisite workmanship:smooth running, no oil leakage, noiseless

------------ 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.