180 Degree Heavy Duty Commercial Door Closer D3036 Delayed Action Metal Door

• Meet BS EN1154 standard, life cycles of 500,000 pending
• Dorrenhaus - Focusing on manufacturing door closers
• Smooth running, no oil leakage and abnormal sound

1. Standard Adjustable Back Check Function, Delayed Action Optional

3. Precision Casting Aluminum Closing Housing with Screw Thread Arm

4. The external shape: streamlined design, Elegance and Graceful

5. Non-handed design, universal applications for overhead mounting methods

6. Heavy Duty Commercial Door Closer with Max. 180 Degree Open Angle

7. Hydraulic Structure: Needle Bearing, Rack and Pinion Duple Heat Treatment

8. Refined Fuchs brand lubricating fluid especially for door closer lubrication

9. Double adjustable screws controlling door closing and latching speed

10. Produced according to BS EN1634 standard, up to 2 hours fire rating pending

11. Core Advantage: Heavy Duty Size (3-6) Adjustable, Commercial Grade

12. Larger closer shell with powerful metal spring for stronger closing force

► Long-term cooperative vendors of global famous security trade mark

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

* SOFT, HANDS-FREE CLOSING: let the door finish work, enjoy self-acting closing and

locking, keep quiet and sureness.

* ADJUSTING ACCORDING TO YOUR REQUEST:Let customers go their own pace. which

level should be adapted for closing power: from level 1 to level 6.

* SPRING THRUST, EASY BACK: the commercial-grade arm will not impact opening, while

closing doors slowly enough to allow graceful 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.