Hydraulic Door Opener And Closer

Door Closer/Hydraulic Square Door Closer DH710
Door Closer/Hydraulic Square Door Closer DH710
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Min Order Qty: 100 pc
Supply Capability: 100000000 pc/month
Hydraulic Door Closer/Silvery Hydraulic Door Closer with 45-60kgDC711
Hydraulic Door Closer/Silvery Hydraulic Door Closer with 45-60kgDC711
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Min Order Qty: 100 pc
Supply Capability: 100000000 pc/month
Fireproof Automatic Hydraulic Door Closer
Fireproof Automatic Hydraulic Door Closer
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Min Order Qty: 1000 Pieces pc
Supply Capability: 100000 Pieces per Month pc/month
Hydraulic adjustable door closer hinge
Hydraulic adjustable door closer hinge
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Min Order Qty: 100 set
Supply Capability: 20000 set/month
Hydraulic Aluminium Automatic Door Closer from China
Door Closer with Heavey Duty/Door Closer with Modern Type/Hydraulic Door Closer with 45-60kg DH709
Hydraulic Door Closer with Square Shape/Door Closer with Popular Shape DH705
Hydraulic Door Closer with Square Shape/Door Closer with Popular Shape DH705
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Min Order Qty: 100 pc
Supply Capability: 100000000 pc/month
Door Closer with Hydraulic Aluminium Automatic on Dorma Type DC702
Door Closer with Hydraulic Aluminium Automatic on Dorma Type DC702
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Min Order Qty: 100 pc
Supply Capability: 100000000 pc/month
Door Closer / Door Closers
Door Closer / Door Closers
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Min Order Qty: 10 Piece/ Pieces pc
Supply Capability: 50000 Piece/ Pieces pc/month
Hydraulic Door Closer /Floor Spring/Floor Hinge for Glass Door FS-71
Hydraulic Door Closer /Floor Spring/Floor Hinge for Glass Door FS-71
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Min Order Qty: 50 set
Supply Capability: 100000 set/month
Hydraulic Door Closer /Floor Spring/Floor Hinge for Glass Door FS-75
Hydraulic Door Closer /Floor Spring/Floor Hinge for Glass Door FS-75
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Min Order Qty: 50 set
Supply Capability: 100000 set/month
Hydraulic Door Hinge/ Door Closer/Floor Spring for Glass Door/Floor Hinge for Glass Door FS-838
Hydraulic Floor Hinge/ Door Closer/Floor Spring for Glass Door/Floor Hinge for Glass Door FS-84
Hydraulic Floor Hinge/ Door Closer/Floor Spring for Glass Door/Floor Hinge for Glass Door FS-7300
Hydraulic Floor Hinge/ Door Closer/Floor Spring for Glass Door/Floor Hinge for Glass Door FS-222
Hydraulic Door Closer on Dorma Type for with Heavy Duty DC703
Hydraulic Door Closer on Dorma Type for with Heavy Duty DC703
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Min Order Qty: 100 pc
Supply Capability: 100000000 pc/month
Floor spring door closer
Floor spring door closer
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Min Order Qty: -
Supply Capability: -
Heavy Duty Door Closer
Heavy Duty Door Closer
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Min Order Qty: 500 Pieces pc
Supply Capability: 100000 Pieces per Month pc/month
Door closer for 80-85kg
Door closer for 80-85kg
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Min Order Qty: -
Supply Capability: -
New  Drywall  Partition Steel  Perforated Profile/Metal Stud and Track
New Drywall Partition Steel Perforated Profile/Metal Stud and Track
Ref Price: $0.50 - 1.80 / pc
Min Order Qty: 10000 pc
Supply Capability: 300000 pc/month
pvc window and door,PVC sliding door and arch window
pvc window and door,PVC sliding door and arch window
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Min Order Qty: 50 set
Supply Capability: 1000 set/month
wall  Angle / Metal  Stud  and Track  In
wall Angle / Metal Stud and Track In
Ref Price: $0.20 - 0.50 / g/m
Min Order Qty: 10000 g/m
Supply Capability: 300000 g/m/month
Low Price And  High Quality Partition Wall Calcium  Silicate Board
Low Price And High Quality Partition Wall Calcium Silicate Board
Ref Price: $1.30 - 2.60 / m²
Min Order Qty: 10000 m²
Supply Capability: 300000 m²/month
Havey Duty Door Closer in Cheap  Price
Havey Duty Door Closer in Cheap Price
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Min Order Qty: 500 Pieces pc
Supply Capability: 100000 Pieces per Month pc/month
1200T 5 Layer Door Skin Hydraulic Hot Press Machine
1200T 5 Layer Door Skin Hydraulic Hot Press Machine
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Min Order Qty: 1 set
Supply Capability: 15 set/month
Metal Door/Steel Door /security door for home and building
Metal Door/Steel Door /security door for home and building
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Min Order Qty: 60 set
Supply Capability: 88888888 set/month
High Quality Door closer for 80-85kg
High Quality Door closer for 80-85kg
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Min Order Qty: -
Supply Capability: -
good quality automatic door closer
good quality automatic door closer
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Min Order Qty: -
Supply Capability: -
Door Closer with Modern Type/Door Closer with Square Shape DH707
Door Closer with Modern Type/Door Closer with Square Shape DH707
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Min Order Qty: 100 pc
Supply Capability: 100000000 pc/month
Hydraulic Wooden Doors Hot Press Machine/Plywood Door Machine
Hydraulic Wooden Doors Hot Press Machine/Plywood Door Machine
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Min Order Qty: 1 set
Supply Capability: 15 set/month
Hydraulic Moulded Door Skin Hot Press for Veneer
Hydraulic Moulded Door Skin Hot Press for Veneer
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Min Order Qty: 1 set
Supply Capability: 15 set/month
Beautiful Aluminum Window and Door and Profile
Beautiful Aluminum Window and Door and Profile
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Min Order Qty: 100 set
Supply Capability: 1000 set/month
window and door aluminium profile
window and door aluminium profile
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Min Order Qty: -
Supply Capability: -
Hydraulic Hot Press Machine for Door Skins
Hydraulic Hot Press Machine for Door Skins
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Min Order Qty: 1 set
Supply Capability: 15 set/month
Melamine Door Skin Hot Press Machine / Hydraulic Door Skin Press Machine
Melamine Door Skin Hot Press Machine / Hydraulic Door Skin Press Machine
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Min Order Qty: 1 set
Supply Capability: 15 set/month
Grade 1 Commercial Heavy Duty Surface-Mount Door Closer

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FAQ

Do not close the door closer?
There is a small mouth on the right side of the door closer, there are screws, that is, tight tone. There are two valves next to the door closer to the speed but can not adjust the weight. The choice of the door closers is too heavy.s
What do you need to install a door closer?
Parallel installation: The door closer is mounted on the door and the parallel plate is mounted on the door frame. And the door closer is mounted on the door side. This installation method is suitable for the door frame is very narrow, or almost no door frame. In accordance with this way after installation, because there is no prominent connecting rod and rocker, so more beautiful. Compared with the standard installation, this installation method is suitable for opening doors such as walls and other obstacles. This type of installation is less closed.s
Would like to ask what kind of door closers, suitable for hotel works with what?
Closer Burial device in the ground, collectively known as the spring.s
Why do you turn the door closer?
First, the solution: Use a screwdriver to release the adjustment valve on the door closer. Second, the role of behind closed doors: Modern hydraulic door closers (hereinafter referred to as closed doors) began in the early twentieth century, a patent registered by the Americans, it is different from the traditional door closers, through the closure of the liquid in the throat to achieve the buffer effect The The core of the design of the hydraulic gatekeeper is to realize the control of the closing process so that the various functional indexes of the closing process can be adjusted according to the needs of the people. The significance of the door closer is not only to automatically shut the door, but also to protect the door frame and the door (smooth off), more importantly, the door closet has become a modern building intelligent management of a non-negligible implementation of the part. Door closers are mainly used in commercial and public buildings, but are also used at home. They have many uses, the most important of which is to make the door closed by itself, to limit the spread of fire and ventilation within the building.s
How closed the door closers
There is a small mouth on the right side of the door closer, there are screws, that is, tight tones
Closer prices
This model, style, each manufacturer, brand has a different parameter.s
How can we install a door closet
1, the standard installation: door closers installed on the door, the bearings installed in the door frame, and the door closet installed in the sliding door side. This installation is suitable for the door frame is narrow, there is not enough space to install the door closer. Applicable to the direction of the door without obstacles, the door open to a large enough angle, the door closers will not hit the foreign objects. 2, the door frame installation: door closet installed in the door frame, the seat installed in the door, and the door closet installed in the door side. This installation method is suitable for wide door frame, there is enough space to install the door closer. Compared with the standard installation, this installation method is suitable for opening doors such as walls and other obstacles. This type of installation has a greater closing force and is suitable for larger and heavier doors.s
What are the door closers cheap and durable?
The key is the frequency of use of the janitors

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