|Place of Origin:||Zhejiang, China|
|Brand Name:||Dorrenhaus, DORHAUS|
|Certification:||UL 228, CCC Certified|
|Minimum Order Quantity:||Negotiate|
|Packaging Details:||1 piece in 1 paper box, 10pcs in carton of 548*345*185mm, 30ctns in 1 wooden pallet size: 115*106cm|
|Delivery Time:||5 weeks|
|Payment Terms:||D/P, L/C, , T/T, Western Union, MoneyGram|
|Supply Ability:||10,000pieces / month|
|Main Keyword:||Automatic Fire Door Closer||Max. Open Angle:||115 Degree|
|Max. Door Weight:||65kg||Closing Force:||#3|
|Working Temp.:||-40℃ To 45℃||Width Range:||950mm|
|Functions Alternate:||Back Check||Assurance Period:||3 Years|
american door closer,
fire safety door closers
Medium Duty Auto Door Closer Surface Mounted No Oil Leakage CCC Certified
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
D703 is our most durable medium duty automatic fire door closer, designed for the
application of low-traffic applications. It’s produced conform to UL 228 standard.
* Universal application, non-handed, designed for surface mounted
* Precised cast aluminum body with reinforced type adjustable tube arm
* Fuchs brand Hydraulic fluid for smooth lubricity and continuing lubrication
* Hydraulic Auto Door Closers. D703 Size 3, D706 Size 6 (strongest size)
* Auto Closing & latching speed controlled by dual separate adjusting valves
* Streamlined design allows mounting on most commercial applications
* Optional back check function adjusted by single regulating valve
* UL 10C online directory certification, up to 3 hours fire rating
* UL 228 certified, factory tested life cycles of 200,000+
Finishes: Silver, Bronze, White, Gold, Black, Brown
* GENTLE, NO MANUAL CLOSING: the door will closer by itself, enjoy self-driven
shutdown and lock, maintain quiet and sureness.
* SPRING THRUST, EASY BACK: the commercial-grade arm will not impact opening,
meanwhile shut doors gradually to allow for graceful entry and exit
* CERTIFICATION TRUSTABLE:UL 228 is the primary standard which mush be obtained
for door closers. In fact the model has surpassed a test to 300,000 + cycles.
||36 months||UL 10C -3h||100,000||UL 228|