Zhejiang Dorrenhaus Hardware Industrial Co., Ltd.
| 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 |
| Primary Keyword | Concealed Automatic Door Closer |
| Door Width Limit | 950mm |
| Closing Force | #3 |
| Suitable Temp. | -40℃ to 45℃ |
| Optional Feature | HO Unit |
| Weight Limit | 65kg |
| Opening Angle | 150degree |
| Assurance Period | 3 years |
| Brand Name | DORHAUS, Dorrenhaus |
| Model Number | D30 |
| Certification | UL 228, ISO9001:2015 |
| Place of Origin | Zhejiang, China |
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Product Specification
| 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 |
| Primary Keyword | Concealed Automatic Door Closer | Door Width Limit | 950mm |
| Closing Force | #3 | Suitable Temp. | -40℃ to 45℃ |
| Optional Feature | HO Unit | Weight Limit | 65kg |
| Opening Angle | 150degree | Assurance Period | 3 years |
| Brand Name | DORHAUS, Dorrenhaus | Model Number | D30 |
| Certification | UL 228, ISO9001:2015 | Place of Origin | Zhejiang, China |
| High Light | concealed door closer ，hidden door closer | ||
Overhead Concealed Automatic Door Closer with Hidden Sliding Arm No Oil Leakage
Dorhaus concealed door closer model D30, hydraulic structure, with UL 10C 3 hours
fire rating certification, is mainly used for room door of hotel, restaurant or similar
public area. Hold open unit is for optional, which can be mounted or moved easily.
A lot of commercial building doesn't permit the mounting of any type of door
hardware with hold open function.
Ω UL listed overhead concealed door closer with hidden sliding arm
Ω Accord with UL 228 standard, tested life cycles of 200,000+
Ω Automatic latching and closing speed controlled by two adjusting valves
Ω Max. opening angle: 150 degree, hold open unit optional
Ω Fixed closing size #3, max. 950mm door width, 65kg door weight
Ω Non-handed surface mounted, designed for universal application
Ω Cast aluminum closer body with anodized aluminum sliding arm
Ω Conform to UL 10C standard, including 3 hours fire rating
► 7 years cooperative partner of international first-rate door control companies
Finishes: Aluminum, Gold, Bronze, Black, Brown, White
* SOFT, NO MANUAL CLOSING REQUIRED: let the door do the work, enjoy self-acting
closing and locking, keep quiet and sureness.
* SPRING FORWARD, EASY CLOSING: the commercial-grade arm will not impact opening,
while closing doors slowly enough to allow graceful entrance and exit
| Door Open | Min. Door | Closing | Fire Protection | |
| 150º | 45mm | | UL 10C - 3h | UL 228 |
| | Width | Weight | Closer Body | Installation Dim. |
| | 950mm | 40-65kg | 312*32*76mm | 298*20mm |
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2011
Total Annual:
15,000,000-18,000,000
Employee Number:
200~250
Ecer Certification：
Active Member
------------ Our Advantages ------------ 1. Only produce door closer, annual output 1.5-2.0mils pcs. &nbs... ------------ Our Advantages ------------ 1. Only produce door closer, annual output 1.5-2.0mils pcs. &nbs...
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