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Zhejiang Dorrenhaus Hardware Industrial Co., Ltd.
Zhejiang Dorrenhaus Hardware Industrial Co., Ltd. Focusing on door closer manufacturing CE and UL listed | Supplier to top brand
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UL Listed Overhead Concealed Automatic Door Closer D30 Slide Back Sliding Arm

Zhejiang Dorrenhaus Hardware Industrial Co., Ltd.

UL Listed Overhead Concealed Automatic Door Closer D30 Slide Back Sliding Arm

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Brand Name : DORHAUS, Dorrenhaus

Model Number : D30

Certification : UL 228, ISO9001:2015

Place of Origin : Zhejiang, China

MOQ : 100 pieces

Price : USD21.00- USD22.00 /piece

Payment Terms : L/C, D/P, T/T, Western Union, MoneyGram

Supply Ability : 20,000pieces / month

Delivery Time : around 35 days

Packaging Details : 1 piece in 1 paper box, 10 pieces in carton of 585*245*230mm, 40ctns in 1 wooden pallet size: 120*100cm

Master Keyword : Concealed Automatic Door Closer

Closing Power : #3

Open Angle Range : 150 degree

Weight Suitable : 65kg

Quality Assurance : 3 years

Optional Function : HO Unit-

Max. Door Width : 950mm

Working Temp. : 40℃ to 45℃

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UL Listed Overhead Concealed Automatic Door Closer D30 Slide Back Sliding

  • Skilled Craft : even operation, oil tight, noiseless
  • UL 228 Certificate, 200,000 plus tested life cycles
  • Closing force of size 3, suit for door width 950mm


Dorhaus concealed door closer D30, is of overhead and hydraulic type,
are mounted within the door and are hidden while the door is closed.
It' is difficult to be installed than surface mounted units. Normally it's
for project especially for hotel or restaurant.

Ω Light duty overhead concealed automatic door closer for internal door
Ω Latching / closing speed adjustable by dual separate regulating valves
Ω Universal application, non-handed installation for standard mounting
Ω Casting aluminum closer body and hidden slide back sliding arm
Ω Slim body with 32mm thickness, min. thickness 45mm for wooden door
Ω Max. door opening angle: 150 degree, normally set at 90º open angle
Ω Comply with standard for UL 10C Certification with 3 Hours Fire Rated
Ω Conform to requirement of UL 228 Certification, 200,000 plus life cycles
Ω Fixed closing power size 3, for max 950mm width or 65kg indoor door

Long-term cooperative vendors of international well-known security companies


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

* SPRING FORWARD, EASY BACK: the commercial-grade arm won’t interfere with opening,
while closing doors slowly enough to allow graceful entrance and exit
* GENTLE, NO MANUAL CLOSING required: allow the door do the work, enjoy self-acting
closing and locking, keep quiet and safety.


Model No.

Door Width

Weight
Limit

Body Spec.
(LxWxH)

Mounting
Dimension


D30

950mm 40-65kg 312*32*76mm

298*20mm

Max Open
Angle

Min. Door
Thickness

Closing

Power

Fire Protection
Standard

Tested Life Cycles

150º 45mm


size 3

UL 10C - 3h 200,000


UL Listed Overhead Concealed Automatic Door Closer D30 Slide Back Sliding Arm

UL Listed Overhead Concealed Automatic Door Closer D30 Slide Back Sliding Arm

UL Listed Overhead Concealed Automatic Door Closer D30 Slide Back Sliding Arm

UL Listed Overhead Concealed Automatic Door Closer D30 Slide Back Sliding Arm


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