Fireproof Sliding Arm Door Closer D1004H Self Closing Oil Tight Hold Open Optional

Fireproof Sliding Arm Door Closer D1004H Self Closing Oil Tight Hold Open Optional

Exquisite Workmanship: even running, oil tight, noiseless

D1004H is of latest design closer body in all of door closer with sliding arm, it' is
cost-effective. With automatic hydraulic structure, small and exquisite appearance,
enjoys good sale in Chinese door hardware distributor for years.

Ω Produced as per CE EN1154 standard, tested life cycles 200,000
Ω Fixed Spring Force #4, i.e. closing force #2, for max. door width 850mm
Ω Fireproof hydraulic fluid for smooth operation and constant lubrication

Ω Self Closing Sliding Arm Door Closer Hold Open Unit Optional
Ω Hydraulic Structure: powder bearing, rack and pinion type
Ω Two control valves adjust closing speed and latching speed
Ω Max opening angle 180 degree, overhead mounted
Ω Applicable Temperature: -40 to 45 ℃

► Trusted cooperative partner of global first-rate door control brands


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

* SPRING FORWARD, EASY CLOSING: the aluminum sliding track arm will not impact
opening, at the same time closing door gradually to allow elegant entrance and exit.
* SOFT, NO NEED TO CLOSE BY HAND: the door will close by itself, enjoy self-driven
shutdown and lock, maintain quiet and sureness.

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