|Place of Origin:||Zhejiang, China|
|Brand Name:||Dorrenhaus, DORHAUS|
|Model Number:||D303, D304|
|Minimum Order Quantity:||Negotiate|
|Packaging Details:||1set in 1 paper box, 20sets in carton of 416*270*325mm, 24ctns in 1 wooden pallet size: 110*85cm|
|Delivery Time:||5 weeks|
|Payment Terms:||D/P, L/C, , T/T, Western Union, MoneyGram|
|Supply Ability:||20,000sets per month|
|Key Words:||Residential Interior Door Closer||Door Width:||950mm, 1100mm|
|Function Optional:||Hold-open||Quality Assurance:||2 Years|
|Applicable Temp.:||-40℃ To 45 ℃||Spring Force:||#3, #4|
|Opening Angle:||105º, 150º For Hold Open||Door Weight:||40-85kg|
internal door closer,
external door closer
Aluminum Door Closer D300 Auto Closing for Residential Interior Door
Hold Open or Hold Open Arm
Hold Open is the ability of the door closer to hold the door in theopen position. Most over head door closers achieve this function viaa special type arm (Hold Open Arm).
Warning Note: Hold open function are not allow to install for firedoors and smoke doors.
To slows the door in the opening swing to help keep it from hitting anadjacent wall ,so that it can't be thrown open violently and damagethe door, the closer, door handle and the walls.
Backcheck resistance should only be felt near the fully open position.
|Door Width||Door Weight||
Market leader model, national standard Grade 2
Smooth operation, oil tight, no abnormal sound
International Certification | Exporting since 2011
Dorrenhaus aluminum door closer model No. D300 is light and strong, basic painting
color of closer is silver, also called aluminum, which will not change for a long time.
Compared with other metal material, cost of aluminum alloy is relative low.
1. Aluminum Door Closer Auto Closing for Residential Interior Door Width 950mm
2. Product appearance: small dimension, soft with its body , temper force with grace
3. Whole process controlled beginning from open power to the final latching speed
5. Accord with regulation of QB/T 2698-2005 national standard, factory tested life
cycles 200,000, obtain certification for China Compulsory Product
6. Material: refined aluminum closer housing with steel rocker arm
7. Fuchs Lubricants especially for high quality door closer constant lubrication.
8. Two valves, one controls auto closing speed, another controls latching speed
9. Structure: rack and pinion type, with economical powder bearing
10. Non handed installation, package for Regular-Arm and Top-Jamb mountings
11. Suitable for low working frequency, for instance: machine room, warehouse etc.
Finishes: Aluminum, Gold, Bronze, Black, White, Brown
* SPRING THRUST, EASY CLOSING: the casting steel rocker arm won’t interfere with
opening, soft close the door slow enough to allow for elegant entry and exit
* GENTLE, HANDS-FREE CLOSING: let the door finish work, enjoy automatic shutdown
and lock, maintaining quiet and safety.