UL Listed Heavy Duty Hydraulic Door Closer Adjusting Size for 20 to 150kg Door

UL Listed Heavy Duty Hydraulic Door Closer D8016 Adjusting Size

• ANSI A156.4 Grade 1, tested life cycles of 2 millions+
• Most popular model in Amazon.com and USA market
• Even running, no oil leakage, no abnormal sound

Ω Precised cast aluminum body and steel arm, hold open arm optional

Ω Standard with plating plastic cover, slim plastic cover is optional

Ω No need to close manually, suitable for all standard mounting

Ω American style heavy duty hydraulic door closer for commercial doors

Ω Adjusting closing and latching speed controlled by double valves

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

applicable for 20kg to 150kg door, 850mm to 1500mm door width

Ω Standard adjustable backcheck available, delayed action optional

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

► Long-term cooperative supplier of international well-known door closer companies

Painting: Silver, Gold, Bronze, White, Black, Brown

* GENTLE, NO MANUAL CLOSING: the door will closer by itself, enjoy self-driven shutdown

and lock, maintain quiet and sureness.

* SPRING FORWARD, EASY BACK: commercial-level swing arm will not impact 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 over any high-traffic area, while providing complete control

* 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.

* ADJUST ACCORDING TO YOUR REQUEST: let customer act at their own pace. You get 6

levels of closing power to suit any level of traffic

           ------------ 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.