Light Duty Door Closer Size 3 , Commercial Grade Door Closer With Regular Arm

• UL 228 standard, 200,000 + factory tested life cycles
• Even operation, no oil leakage and abnormal sound
• Dorrenhaus - 7 years supplier to world's top brands

Ω Commercial grade light / medium duty door closer for wooden door

Ω Hold open arm is for optional, back check is not available

Ω Closing / latching speed adjustable by two single regulating valves

Ω Precised casting aluminum closer shell with screw thread steel arm

Ω No manual closing required, suitable for standard mounting methods

Ω Max opening angle 105º, best setting at 90º - 105º opening angle

Ω Fixed spring force size 3, suitable for max. door width 950mm

Ω Certification of UL 10C, fire rated up to and including 3 hours

► Trusted cooperative supplier of international top door hardware companies

Painting: - Aluminum, Gold, Bronze, Black, White, Brown

* SOFT, NO MANUAL CLOSING REQUIRED: let the door do the work, enjoy automatic

shutdown and lock, maintaining quiet and safety

* CERTIFIABLY TRUSTABLE: accord with the requirements of UL 228 standard, it is basic

standard for Door Closers. This model is actually super passed 200,000+ cycles testing.

* SPRING THRUST, EASY BACK: commercial-level swing arm won’t interfere with opening,

at the same time closing door gradually to allow elegant entrance and exit.

           ------------ 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.