180 Degree Adjustable Door Closer Forged Steel Arm American Style

• Forged steel arm and precise cast iron body
• Dorrenhaus: ANSI - UL Listed | Since 2011
• Even operating, oil tight, without noise

Ω ANSI 156.4 standard Grade I, life cycles of 2 millions plus

Ω American style extra heavy duty adjustable closer for commercial doors

Ω Designed to meet ADA requirements, adjustable spring size #1-6

Ω Adjusting closing and latching speed controlled by dual separate valves

Ω Accord with UL 10C standard, up to 3 hours fire rating

Ω With plating plastic cover, while hand-made steel cover is optional

Ω Temperature: - 40 to 45 degree centigrade, suitable for cold district

Ω Max Door Opening Angle: 180 Degree

► Trusted cooperative vendors of global first-rate door hardware brands

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

* SOFT, NO MANUAL CLOSING : let the door close by itself, enjoy self-driven

closing and latching, maintain quiet and security.

* SPRING THRUST, EASY CLOSING: the commercial-grade arm won’t interfere

with opening, meanwhile shut doors gradually to allow for graceful extry and exit

* MEET YOUR REQUIREMENTS: Surface mounted design and full set of screw,

allow you to install this in any high traffic area, and is completely controlled.

* ADJUSTABLE TO YOUR NEEDS: final user will make their decision, Closing

power of 6 levels is available for most door weight or width.

* CERTIFICATION TRUSTABLE: ANSI 156.4 - Grade 1 is the supreme standard

achievable for Door Closers. This model is actually super passed 2 million+ cycles.

           ------------ 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.