UL Listed Adjustable Door Closer Parallel Arm Mounted ANSI Grade 1 For High Traffic

UL Listed Adjustable Door Closer Parallel Arm ANSI Grade 1 For High Traffic

• ANSI Grade 1 Certified, life cycles of 2,000,000 plus
• Precise cast iron closer shell with forged steel arm
• Exquisite Craft: even running, oil tight, no noise

* Heavy Duty Commercial Door Closer designed for high traffic areas.

* Closing & latching speed adjustable by two separate adjusting valves

* Size adjustable through 1 to 6 with standard backcheck function.

* Needle bearing and double heat treated steel rack and pinion.

* Non-handed installation, suitable for top jamb, regular arm and parallel arm

* Standard ABS plastic cover, decorative metal cover optional

* UL 10C certification, up to and including 3 hours fire rating

* Certified to conform to UBC 7-2 (1997, UL 228) standard

► Trusted cooperative vendors of international top door closer trade mark

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

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

for Door Closers. In fact the life cycle of this model is much more than 2 millions.

* MEET YOUR REQUIREMENTS: The surface mount design and tri pack options, allows you

to install over different occasion, while providing complete control

* ADJUSTING ACCORDING TO YOUR REQUEST: final user will make their decision, You

get 6 levels of closing force to meet different level of traffic.

* SPRING FORWARD, EASY BACK: the commercial-grade arm won’t interfere with opening,

while closing doors slowly enough to allow graceful entrance and exit

* GENTLE, NO MANUAL CLOSING required: 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.