Easy Open Concealed Automatic Door Closer Smooth Operation Sliding Rail
Dorrenhaus D20 concealed door closer is mainly manufactured with casting
alluminums, with light weight, strong closer housing and spring, the closing
force of the model is size EN-2, applicable for 20-45kg door weight or max.
door width of 850mm.
1. Hydraulic type, twice high temp. heat treatment needle bearing and pinion
2. Automatic Concealed Closer Whole Process Control Overhead Mounted
3. Structure of product: dual Heat Treatment needle bearing, pinion and rack
4. Core Advantage: Chinese Best-selling type, comply with national standard
5. Application: lower frequency, such as residential restroom or hotel room door
6. Material: aluminum cast closer housing, anodized aluminum sliding rail arm
7. Produced according to UL 228 standard, tested life cycles 150,000 plus,
8. Whole process controlled started from opening force ended at latching speed
9. Durable door closer fluid for more smoother operation and constant lubricating
10. Two speed regulating valves control the closing and Latching speed exactly
Painting - Silver, Bronze, White, Gold, Black, Brown
* SPRING THRUST, EASY CLOSING: commercial-level swing arm will not impact
opening, meanwhile shut doors gradually to allow for graceful extry and exit
* SOFT, NO MANUAL CLOSING : let the door close by itself, enjoy self-driven
shutdown and lock, maintain quiet and sureness.
Get the Best Price for
MOQ： 100 sets
Price： USD19.50- USD21.00 / set