850mm Heavy Duty Commercial Door Closer

Extra Heavy Duty Commercial Door Closer Speed and Size Adjustment for Metal Door

• Amazon Popular Model, comform to supreme Industry Standard
• BHMA/ANSI A156.4 Grade 1 / UL 10C 3h Fire Rating Certifire
• Skilled Craft: even operation, no abnormal sound, no oil leakage

Heavy Duty Commercial Door Closers D9016, Designed For High Traffic Applications.

Standard with back check and dress cover. Fully controlled for size 1-6. Non-handed

universal application for regular arm, top jamb or parallel mounting. ANSI Grade 1

Certified and ADA Compliant. UL 10C Fire Rated.

Product Details:

· Precised casting iron body with forged steel arm .

· Application for High Traffic doors.

· All weather lubricating oil, Double heat treated steel bearing and pinion.

· Non-sized adjustable 1 through 6 with standard back check.

· Universal application, for standard, top jamb or parallel arm installation.

· Standard non-handed plastic cover, slim cover for optional

· Life cycles of 2 millions, ANSI/BHMA A156.4 Grade 1 Certified.

· UL 10C 3 hours fire rating certification.

· Certified to conform to UBC 7-2 (1997, UL 228)

· Barrier Free Operation to comply with Federal Accessibility Standards (ADA).

► 7 years cooperative supplier of world's well-known door hardware companies

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

------------ 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.