Size Adjustable Door Closer UL Listed Overhead Mounted For Max 150kg Metal Door

Size Adjustable Door Closer UL Listed Overhead Mounted For 150kg Metal Door

• ANSI 156.4 Grade 1, life cycles of 2 millions plus
• Smooth operation, oil tight, no abnormal sound
• Closing force adjustable from size 1 to 6

Ω Overhead mounted size adjustable door closer for commercial doors
Ω Precise casting aluminum closer body with steel rocking tube arm
Ω Standard ABS plastic cover available, slim cover for optional
Ω Standard back-check adjustable, hold open & delayed action optional
Ω Adjustable closing & latching speed by dual separate screws
Ω Certification with UL 10C listed, fire rating test including 3 hours
Ω Adjustable spring force through size 1 to 6, comply with ADA standard
suitable for metal door weighing 150kg or door width 1500mm

► Long-term cooperative vendors of international well-known door control brands


Closer Finishes - painted: Aluminum, Bronze, White, Black, Brown, Gold

* GENTLE, NO MANUAL CLOSING: the door will close by itself, enjoy automatic closing
and latching, maintaining quiet and security.
* SPRING THRUST, EASY CLOSING: the commercial-grade arm won’t interfere with
opening, and close the door slow enough to allow for elegant entry and exit
* MEET YOUR REQUIREMENTS: surface mounted model and full sets of screw package,
allow you to install at different occasion, and is completely controlled.
* RELIABLE CERTIFICATION: ANSI 156.4 - Grade 1 is the topmost achievable standard
for door closer. This model is actually super passed 2 million+ cycles testing.
* ADJUSTING ACCORDING TO YOUR REQUEST: Let customers go their own pace,
which size should be used for different closing force: from size 1 to size 6.

           ------------ 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.