Door Closer Automatic

good quality automatic door closer
good quality automatic door closer
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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
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 Aluminium Automatic Door Closer from China
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
Floor spring door closer
Floor spring door closer
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Door Closer 8014
Door Closer 8014
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Min Order Qty: 500 Pieces pc
Supply Capability: 5000 Pieces per Month pc/month
Door Closer 503
Door Closer 503
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Min Order Qty: 1000 Pieces pc
Supply Capability: 50000 Pieces per Month pc/month
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 with New Type Heavy Duty with 60kg / Automatic Concealed Smart Door Closer DC708
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
Hot sell door closer parts with different door closer types
Door closer for 80-85kg
Door closer for 80-85kg
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Dorma TS68 Style Door Closer
Dorma TS68 Style Door Closer
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Min Order Qty: 2000 Sets set
Supply Capability: 30000 Sets per Month set/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
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
Good Quality Automatic Sectional Garage Door
Good Quality Automatic Sectional Garage Door
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High Quality Door closer for 80-85kg
High Quality Door closer for 80-85kg
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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
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
Automatic Revolving door three wings
Automatic Revolving door three wings
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classic style  automatic collapsible door
classic style automatic collapsible door
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Automatic Sliding Glass Door
Automatic Sliding Glass Door
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Automatic Revolving door four wings
Automatic Revolving door four wings
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automatic door breaker
automatic door breaker
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Hydraulic Floor Hinge/ Door Closer/Floor Spring for Glass Door/Floor Hinge for Glass Door FS-84
Smart Automatic Sliding Door
Smart Automatic Sliding Door
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Smart Automatic Door for hotel
Smart Automatic Door for hotel
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Automatic collapsible door casting aluminium gate
Automatic collapsible door casting aluminium gate
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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
Sectional Garage door/Automatic garage door/ Overhead Garage Door
Sectional Garage door/Automatic garage door/ Overhead Garage Door
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Min Order Qty: 1 pc
Supply Capability: 400 pc/month
classic style aluminum automatic collapsible door
classic style aluminum automatic collapsible door
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Min Order Qty: -
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Automatic sliding door
Automatic sliding door
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Min Order Qty: -
Supply Capability: -
Door Closer with heavey duty on Dorma Type DC701
Door Closer with heavey duty on Dorma Type DC701
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Min Order Qty: 100 pc
Supply Capability: 100000000 pc/month
Best Quality Automatic Collapsible Door for exporting
Automatic Door High Speed for Fashion Decoration
Automatic Door High Speed for Fashion Decoration
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Min Order Qty: 2000 set
Supply Capability: 2400000 set/month

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Door Closer Automatic Supplier & Manufacturer from China

Okorder.com is a professional Door Closer Automatic supplier & manufacturer, offers integrated one-stop services including real-time quoting and online cargo tracking. We are funded by CNBM Group, a Fortune 500 enterprise and the largest Door Closer Automatic firm in China.

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FAQ

What oil is used in the closer
Requirements include: 1) whether the need to open the door after the automatic stop function; 2) damping buffer function - quickly open the door to a certain position after the damping buffer, and the damping buffer force and range can be adjusted according to the use of self-use; This function is used to prevent the door quickly when the door or lock the wall, or emergency escape To prevent people in the fast open when the weight loss and leaning forward. 3) delay the slow closing - the door from the door to the maximum position began to slow down slowly, according to the requirements of stepless adjustment. Suitable for use in frequent and crowded places, especially hospitals, with the elderly, children and disabled access and access to the use of the door. 4) Closing force can be adjusted - can be used in the door and the door wide range of different doors to install, and because of environmental reasons to close the door more resistance. Random stepless adjustment can be satisfied with the closing force, especially in the coastal city, travel and other affected by the wind and closing resistance (the door of the force) often change the place. 5) use of the environment: fire and fire requirements in the winter and 35 ° under the premises of the anti - freeze requirements. Usually the choice of door closers according to the manufacturer's product specifications, according to the size of different forces or adjustable power to match the size of different doors and weight. The following table shows the quality / size of the seven grades of test doors specified in the British Standard BS EN 1154 (a recognized standard for closed door gauges). The closing force of the door closet usually specifies a value between 1 and 7, the greater the number, indicating the greater the ability of the door closer.s
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
How does the door closer work?
Is to rely on the hydraulic buffer to form a damping, in the open door when the hydraulic oil compression, the door after the opening of the hydraulic oil to release energy to close the door energy, and then through the above two screws to adjust the first paragraph and the second paragraph of the closed door speed, to achieve satisfaction The closing speed.s
How closed the door closer
There are two control valve, 1 is to adjust the closing speed, 2 is to adjust the lock door speed, to spin (clockwise) is slow. With a small screwdriver can be adjusted, adjust the time do not spin too much, this is very sensitive, just adjust a little on the line.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
Adjust the tightening of the door closer is to adjust the closing speed, the strength of the fast when the speed is small, the door is close to the door close to the slow speed. Door closers to adjust the closing speed is through the two hydraulic valve independent control of two door closers closing speed for full hydraulic control. Adjustment method and precautions: (1) generally in the side of the door closer to the side of the adjustment valve is marked 1.2, speed 1 block is to adjust the door opening angle from 90 degrees to 20 degrees between the closing speed, speed 2 is to adjust the door opening angle from 20 Degrees to 0 degrees is the door completely closed the speed of the trip. (2) When adjusting the valve screw tightening (clockwise adjustment) is to slow down the speed, that is, the door closer to the door to adjust the power. (3) If the valve screw loose (counter-clockwise adjustment) is the speed becomes faster, that is, increase the closing door closing force. Adjust the amplitude must be controlled in a small range, and each adjustment are tested door fan strength is appropriate, if the amplitude is too large may screw off, resulting in door closers oil spill.s
What are the door closers cheap and durable?
The key is the frequency of use of the janitors
What is the difference between concealed door closers and closures?
Compared to the dark, behind the door more beautiful, but the use of closed door closer to the door more convenient.s

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