Residential Hydraulic Small Door Closer D904H Noiseless Slide Back Sliding Smooth Operation

Residential Hydraulic Small Door Closer Noiseless Slide Back Sliding Smooth Operation

• Smooth Running, No oil leakage, Noiseless
• Focused on manufacturing door closer only
• Design / producing as per EN 1154 standard

Model D904H is designed and produced for light duty and residential applications,
especially good for family room door, restroom door, and small office door. This
model is designed and manufactured according to CE EN1154 standard.

1. Material: cast aluminum body with anodized aluminum slide back track rail
2. Euro style slide back sliding door closer suitable for small residential doors
3. Automatic closing & latching speed adjustable by two separate regulating valves
4. Residential Hydraulic Door Closer with Sliding Arm Force and Speed Controlled
5. Complete process controlled from the opening power to the last latching speed
6. Fuchs Lubricating oil specially for smooth and constant door closer lubrication
7. Product Mix.: Hydraulic structure, needle bearing, rack and pinion heat treated
8. Core Superiority: Euro Market Favorite Model, meet peak CE standard Grade 1
9. Product Surface: Classic European Style, square body with round cover plate
10. Advanced Technology: smooth operation, lubricating oil tight, noiseless

► Trusted cooperative vendors of international top door hardware companies


Painted - Aluminum, Bronze, White, Gold, Black, Brown

* GENTLE, HANDS-FREE CLOSING: let the door finish work by itself, enjoy self-driven
closing and latching, maintain quiet closing and security.
* EXQUISTIE CRAFTSMANSHIP: smooth operation, no oil leakage, noiseless
* SPRING FORWARD, EASY CLOSING: aluminum guide rail arm will not impact opening,
meanwhile shut doors gradually to allow for graceful entry and exit

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