* Adjustable Closing & Latching Speed
* Adjustable Back Check, Hold Open Function Optional
* Max Opening Angle 180
* Non-handed Installation
* Fixed Spring Force #3 & #4
* BS EN1154 Certification 500,000 Life Cycles
* BS EN1634 Certification 3 Hours Fire Rating
On Oct. 10th, 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 experience in door closer industry.