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Office Sliding Arm Door Closer Adjustable Latching Speed For 25-45kg Inside Door

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Address: 350-1, Guilan Road, Qiaodun, Cangnan, Zhejiang Province, China 325806

Contact name:Intar Lin

Zhejiang Dorrenhaus Hardware Industrial Co., Ltd.

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Office Sliding Arm Door Closer Adjustable Latching Speed For 25-45kg Inside Door

Country/Region china
City & Province zhejiang
Categories Bath Mirrors

Product Details


    Office Sliding Arm Door Closer Adjustable Latching Speed For 25-45kg Inside Door


  •      Two steps speed adjustment of closing and latching            
  •      Advanced Workmanship: smooth operation, oil tight, no noise      
  •      Dorrenhaus - Focusing on manufacturing door closers        


      Dorrhaus model D20 is small size concealed door closer, suitable for max. 850mm width

      door, min. thickness of door 40mm and plus, matched hole in door and door frame shall

      be processed after the confirmation of order, so that the closer can be installed properly.


            1.  Slim body with 28mm thickness, non-handed installation

            2.  Manufactured as per UL 228 standard, tested life cycles in factory 150,000+

            3.  Double adjusting screws controls closing and latching speed separately 

            4.  Suitable for light duty traffic area, such as hotel or office room doors etc.

            5.  Hydraulic structure, needle bearing, rack and pinion dual heat treated

            6.  Core Advantage: domestic good sold model, suitable for thin door

            7.  Fuchs lubricating fluid for all weather running and continuing lubrication

            8.  Concealed Sliding Arm Door Closer UL standard for 25-45kg inside door

            9.  Material: casting aluminums housing and anodized aluminum sliding arm


            ►  7 years cooperative manufacturer of universal top security enterprises



                    Finishes: Painted - Silver, Bronze, White, Gold, Black, Brown


        * SPRING THRUST, EASY CLOSING: the commercial-grade arm won’t interfere with opening,

           while closing doors slowly enough to allow graceful entrance and exit

        * GENTLE, NO NEED TO CLOSE BY HAND: let the door close by itself, enjoy self-acting

           closing and locking, keep quiet and safety




Max. Door

Open Angle

Fire Proof


Life Cycles

Factory Tested


Production Standard


size 2150º/150,000


UL 228





Door Width




Closer size














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