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Internal Overhead Concealed Door Closer , 3 Hours Fire Rating Hold Open Door Closer

Categories Concealed Automatic Door Closer
Brand Name: DORHAUS, Dorrenhaus
Model Number: D30
Certification: UL228, ISO9001:2015
Place of Origin: China
MOQ: 100 sets
Price: USD20.50- USD22.00 per set
Payment Terms: L/C, D/P, T/T, Western Union, MoneyGram
Supply Ability: 20,000 sets / month
Delivery Time: around 30 days
Packaging Details: 1 set in 1 paper box, 10 sets in carton of 585*245*230mm, 40 ctns in 1 wooden pallet size: 120*100cm
Master Keyword: Internal Hold Open Door Closer
Function Alternate: Hold Open Unit
Open Angle: 150 degree
Suitable Temp.: -40 to 45 ℃
Spring Force: # 3
Warranty Period: 3years
Door Width: 950 mm
Weight Range: 40-65kg
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    • Product Details
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    Internal Overhead Concealed Door Closer , 3 Hours Fire Rating Hold Open Door Closer


    Internal Overhead Concealed Door Closer , 3 Hours Fire Rating Hold Open Door Closer


    • UL 228 standard, tested life cycles of 200,000 plus
    • SKILLED CRAFT: even running, oil tight, noiseless
    • Two screws adjusting closing and latching speed

    Internal overhead concealed door closer D30, with stronger spring strength,

    the closing power is of size 3, suitable for max. internal door width 950mm

    or door weight 65kg. Normally if the door width is less than 950mm, then

    max. door weight of 80kg will be applicable.

    Ω UL listed light duty overhead concealed door closer for commercial use

    Ω Precised cast aluminum body, anodized aluminum sliding track arm

    Ω​ Fixed closing power size 3, suitable for internal door weight 40-65kg

    Ω Opening angle limit: 150 degree, usually set opening angle at 90º

    Ω No need to close manually, the closer itself will close automatically

    Ω Hold open unit in track rail is for optional, which can be easily installed


    Trusted cooperative manufacturer of world's well-known door security brands


    Painting - Aluminum, Gold, Bronze, Brown, White, Black


    * SPRING THRUST, EASY BACK: commercial-level swing arm won’t interfere with opening,

    at the same time closing door gradually to allow elegant entrance and exit

    * SOFT, NO MANUAL CLOSING : let the door close by itself, enjoy automatic closing and

    latching, maintaining quiet and security.


    Closing

    Power

    Door Open

    Angle Limit

    Life Cycles

    Tested

    Fire Protection

    Standard


    Authentication


    size 3150º

    200,000


    UL 10CUL 228

    Type


    Max. Door

    Width

    Applicable

    Weight

    Body Spec.

    (LxWxH)

    Installation Dim.

    D30


    950 mm40-65 kg

    312*32*76 mm

    298*20 mm




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