Self Closing Heavy Duty Commercial Door Closer Speed Adjustable Weight Limit 150kg

Self Closing Heavy Duty Commercial Door Closer Speed Adjustable Weight 150kg

• CE EN1154 standard, life cycles achieves 500,000
• Adjustable spring power 3-6, max. for 150kg door
• Skilled Craft: even operation, oil tight, no noise

1. Hydraulic structure, needle bearing, rack and pinion dual high heat treatment

2. Back-check adjustable by intensity regulating valve, optional delayed-action

3. Advantages: European Best Sell Heavy Duty type, comply with CE Standard

4. Both latching and sweep speed are controlled by double speed adjust valves

5. Closer appearance: traditional European design, steady and generous

7. Material: aluminum alloy housing, reinforced type adjustable screw thread arm

8. Non handed installation for regular arm, top Jamb and parallel arm

9. For doors subject to high levels of abuse, for commercial applications

10. Overall process controlled, most strongest model under CE standard

11. Heavy Duty Commercial Door Closer Power and Speed Overall Controlled

12. Larger closer body with powerful spring strength for more closing force

► 7 years cooperative manufacturer of world's high-end security brands

Closer Color - Silver, Bronze, Gold, White, Brown, Black

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

and locking, keep quiet and sureness.

* ADJUSTABLE TO YOUR NEEDS: final user will make their decision, which size should be

used for different closing force: from size 3 to size 6.

* SPRING FORWARD, EASY BACK: commercial-level swing 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.