Zhejiang Dorrenhaus Hardware Industrial Co., Ltd.

Focusing on door closer manufacturing

CE and UL listed | Supplier to top brand

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Home ProductsConcealed Automatic Door Closer

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

Certification
Good quality Automatic Sliding Door Closer for sales
Good quality Automatic Sliding Door Closer for sales
Quite satisfied with closer quality, function and features, appearance, packing, timely delivery, easy communication, quick and efficiently handling of complaints. Lower price, more customer.

—— Gallery Specialty Hardware Canada

Satisfied with most aspects of Dorrenhaus, the quality of D303, D4016, D30 and D2024 are very good, our customer quite satisfied with these models.

—— Guangdong Topstrong Hardware

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

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

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

Product Details:

Place of Origin: China
Brand Name: DORHAUS, Dorrenhaus
Certification: UL228, ISO9001:2015
Model Number: D30

Payment & Shipping Terms:

Minimum Order Quantity: 200 sets
Price: USD5.00- USD35.00 per set
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
Delivery Time: around 35 days
Payment Terms: L/C, D/P, T/T, Western Union, MoneyGram
Supply Ability: 20,000 sets / month
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Detailed Product Description
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

 

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

 

                                     Dorrenhaus - Focusing on manufacturing door closers

 

           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  Conform to UL 10C fire testing standard, up to 3 hours fire rating 

              Ω  Comply with UL 228 standard, tested life cycles of 200,000 plus

              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  Two separate regulating valves adjusting closing and latching speed

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

 

                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.

          *  SKILLED WORKMANSHIP: even running, oil tight, noiseless

 

Closing

Power

Door Open

Angle Limit

Life Cycles

Tested

Fire Protection

Standard

 

Authentication

 

size 3 150º

 

200,000

 

UL 10C UL 228

 

Type

 

Max. Door

Width

Applicable

Weight

Body Spec.

(LxWxH)

Installation Dim.

 

D30

 

950 mm 40-65 kg

312*32*76 mm

298*20 mm

 

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

 

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

 

 

Contact Details
Zhejiang Dorrenhaus Hardware Industrial Co., Ltd.

Contact Person: Yunta

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