Adjusting Size American Door Closer , Heavy Duty Regular Arm Door Closer

Adjusting Size American Door Closer , Heavy Duty Regular Arm Door Closer

• Exquisite Craft: smooth running, no oil leakage, noiseless
• ANSI 156.4 Grade 1 certification, 2 millions life cycles
• UL listed and cUL listed for doors without hold open

Dorrenhaus’ most popular medium heavy duty door closer, designed for high
traffic applications. .

• Precised cast aluminum cylinder with screw thread steel swing arm
• Hydraulic structure, Needle bearing, twice heat treated rack and pinion
• Latching & closing speed adjustable by two separate regulating screws
• Designed for ADA compliant, adjusting closing force size 1 to 6
• Applicable door width: 85cm - 150cm, door weight: 25 - 150kg
• Commercial usage for parallel arm, top jamb and regular arm mounted
• Non-sized, delayed action and accessibility options
• Meet UL 10C standard, investigated up to 3 hours fire resistant
• Long-term cooperative supplier of world's top door hardware brands

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

* MEET YOUR REQUIREMENTS: surface mounted design and full set of screw, allow
you to install this over any high-traffic area, while providing complete control
* ADJUSTING ACCORDING TO YOUR REQUEST: let customer act at their own pace.
You get 6 levels of closing power to suit any level of traffic
* CERTIFIABLY TRUSTABLE: ANSI 156.4 - Grade 1 is the top standard which can be
achieved by door closers. This model is actually super passed 2 million+ cycles testing.
* SPRING FORWARD, EASY CLOSING: commercial-level swing arm won’t interfere with
opening, while closing doors slowly enough to allow graceful entrance and exit
* SOFT, NO NEED TO CLOSE MANUALLY: allow the door do the work, enjoy self-acting
closing and locking, keep quiet and safety.

           ------------ 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.