Certifire Interior Door Closer
Brand Name: Dorrenhaus, DORHAUS
Certification: UL 228, ISO9001:2015
Model Number: D503
Minimum Order Quantity: 500 sets
Packaging Details: 1 set in 1 paper box, 10 sets in carton of 445*280*178mm, 40ctns in 1 wooden pallet size: 116*92cm
Delivery Time: 5-6 weeks
Payment Terms: D/P, L/C, , T/T, Western Union, MoneyGram
Supply Ability: 20,000 sets / month
Overview
USAGE: Perfect for light commercial and residential entrances such as offices, storage closets, and other public places. Use on doors weighing up to 65kg/150 lbs, Manufactured from Cast Aluminum, Wrought Steel arm, Heat Treated Piston, Powder Coated Finished Body to enhance corrosion resistance, Tri-Pack (Regular, Top Jamb, and Parallel Arm Mounts) standard, Non-Handed, Adjustable Back Check Valve
MATERIAL: Medium Duty Cast Aluminum. Wrought Steel arm. Powder Coated Finished Body to enhance corrosion resistance. Heat Treated Piston.
CERTIFICATIONS: UL228 Listed, UL/c UL Fire Rated Listed - 3 hrs
COMPARABLE CLOSERS: Dorex 751, C.R. Laurence DC51, Lawrence LH303
Tri-Pack (Regular, Top Jamb, and Parallel Arm Mounts) standard, Non-Handed & adjustable closing and latch speed valves
Detail Information
| Key Words: | Surface Mounted Door Closer | Width Range: | 850-950 Mm |
| Working Temp.: | - 40℃ To 45℃ | Opening Angle: | 105º |
| Max. Door Weight: | 65kgs | Closing Power: | #3 |
| Function Alternate: | Hold Open | Warranty: | 5 Years |
| High Light: | automatic door closer, silent door closer | ||
* SPRING FORWARD, EASY CLOSING: commercial-level swing arm won’t interfere with opening, and close the door slow enough to allow for elegant entry and exit
* SOFT, NO NEED TO CLOSE MANUALLY: allow the door to do the work, enjoy automatic closing and latching, maintaining quiet and security.
Closer Painting: - Aluminum, Bronze, Brown, White, Black, Gold
Ω Light and Medium Duty Door Closer for Residential and Commercial Doors
Ω Surface Mounted Type, Door Open Angle Limit: Max. 105 degree
Ω Advantages: Popular Design for both USA and European Market
Ω Non-handed Installation Design, Suitable for All Standard Mounting
Ω Rack and Pinion with Double High Heat Treatment, Powder Bearing
Ω Auto Closing Power #3, Applicable for Door Weighing 40-65kg
Ω Fuchs hydraulic fluid especially for closer guarantee constant lubrication
Ω Hold Open Arm for 90º Stop Optional
Ω UL 10C standard tested and certified, up to and including 3 hours fire-rated
► Reliable cooperative partner of world's high-end hardware brands
Model | Door Width | Door Weight | Closer Body (LxWxH) | Mounting Dimension |
D503 | 950mm | 40-65kg | 182*41*60.5mm | 166*19mm |
Spring Force | Guarantee Period | Fire Rating Standard | Max. Life Cycles | Manufacturing Standard |
| size 3 | 36 months | UL 10C | 200,000 | UL 228 |



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