Office Heavy Duty Commercial Door Closer Closing Force Size 1-6 Overall Controlled

Office Heavy Duty Commercial Door Closer Closing Force Size 1-6 Overall Controlled

• Comply with ANSI / BHMA A156.4-2013 Grade 1 requirement
• Life cycles of 2,000,000 plus, Investigated to standard UL 10C
• Designed to be used with swinging fire door rated up to 3 hours

1. Heavy Duty Commercial Door Closer Opening Closing Overall Controlled

2. Suitable for high traffic area, such as a store entrance, office or school

3. Key Features: Amazon Hot-sale Model, Meet Highest Industry Standard

4. Material: precise cast aluminum body with flat steel arm and plastic cover

5. Overall process controlled from the opening force to the latching speed:

6. Adjustable through the closing power range of #1 (2 pounds of force) to #6

(14 pounds of force), lowest opening force of 20N, meet ADA requirement

7. Standard adjustable back-check, delayed-action and hold open optional

8. Structure: rack and pinion type, needle bearing, double heat-treated pinion

9. Mounting: Regular Arm, Top Jamb, Parallel Arm and Guide Rail Arm

10. Durable hydraulic fluid for all weather operation and continuing lubrication.

11. Closing and latching speed adjustable by two separate regulating valves

12. Appearance: American style, slim & round shape, elegance and graceful

► Long-term cooperative vendors of universal first-rate security trade mark

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

* FITS WHERE YOU NEED IT: Surface mounted design and full set of screw, allow you

to install at any high-traffic area, supply full control at the same time.

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

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

* CERTIFIABLY TRUSTABLE: ANSI 156.4 - Grade 1 is the top standard which can be

achieved by Door Closers. This one has actually surpassed a test to 2 million + cycles.

* GENTLE, NO MANUAL CLOSING: the door will closer by itself, enjoy automatic

shutdown and lock, maintaining quiet and safety.

* SKILLED WORKMANSHIP: smooth operation, oil tight, without noise

* SPRING FORWARD, EASY CLOSING: the commercial-grade arm will not impact opening,

and close the door slow enough to allow for elegant entry 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.