Adjusting Heavy Duty Commercial Door Closer Closing Size 1-6 Width 850 - 1500mm

• Skilled Craft: even running, oil tight, noiseless
• Double Valves Controls Closing and Latching speed
• High heat treating pinion, rack and needle bearing

Dorrenhaus door closer Model D4016T is designed for internal commercial application,

including screws of tri-package for all standard installation, it is a medium-heavy duty

aluminum commercial door closer. Body meet the requirement of ANSI A156.4 Grade 1.

Features adjustable and fixed spring strength, controls how easy to open the door.

1. Closer Appearance: Square and larger body, looks steady and generous

2. Door Closer for Medium-Heavy Duty Commercial Application Completely Controlled

3. Popular model suitable for medium and heavy duty traffic area, such as Office Building

Restroom Door, Store or Bank Entrance, School Corridor or Store Restroom Door etc.

6. Closing force adjustable from the weakest size 1 to strongest size 6, if ADA is

Required, the door closer will be set at size 1, i.e. min. 20N before ex-factory

7. Main Material: aluminum alloy closer shell with steel hold open arm

8. Tri-package is designed for any regular mounting: Top-Jamb, Parallel or Regular-Arm

10. Completely process controlled from setting of opening force to door latching speed

11. Durable Fuchs closer lubricating oil best for any weather running and lubrication .

► Reliable cooperative supplier of world's high-end door closer brands

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

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

locking, keep quiet and sureness.

* 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.

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