Zhejiang Dorrenhaus Hardware Industrial Co., Ltd.
Zhejiang Dorrenhaus Hardware Industrial Co., Ltd. Focusing on door closer manufacturing CE and UL listed | Supplier to top brand
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Automatic Fire Door Closer D903 European B2B Platform Most Popular Model
Ω CE marked Euro design automatic fire door closer for residential door
Ω European B2B platform most popular model, Hafele best sell type
Ω Rack and pinion structure, high-heat treated needle bearing and rack
Ω Classic European style, elegance and graceful with streamlined design
Ω Precision casting aluminum closer housing and steel rocker arm,
Ω Adjusting speed back-check available, sliding track arm optional
Ω Door open angle range: 180 degree
Ω Adjustable closing & latching speed, close automatically
Ω Fixed closing force size #3 & #4
Ω Meet BS EN1634 standard, up to 3 hours fire rating
Ω Accord with BS EN1154 standard, life cycles of 500,000 plus
► Long-term cooperative supplier of global famous security brand
Closer Finishes - Aluminum, Brass, Duro, Brown, White, Black
* SPRING FORWARD, EASE BACK: commercial-level swing arm will not impact opening,
meanwhile shut doors gradually to allow for graceful extry and exit
* Gentle, no manual closing: the door will closer by itself,
and lock, maintain quiet and sureness.
* Advanced workmanship:even running, oil tight, no abnormal sound
|
Type No.
| Max. Door Width | Weight Range | Closer Dim. (LxWxH) | Installation Dimension |
|
D903
| 950 mm | 40-65 kgs | 176*50*38 mm | 60*38 mm |
| Opening Angle | Cetifire Standard | Assurance Period | Standard Life Cycles |
Certification
|
|
180º
| EN 1634 | 3year | 500,000 | CE - EN1154 |