Hydraulic Door Closer Heavy Duty

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/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
Door Closer with Heavey Duty/Door Closer with Modern Type/Hydraulic Door Closer with 45-60kg DH709
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
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
Grade 1 Commercial Heavy Duty Surface-Mount Door Closer
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
Die Casting Aluminum Havey Duty Door Closer
Die Casting Aluminum Havey Duty Door Closer
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Min Order Qty: 500 Pieces m.t.
Supply Capability: 100000 Pieces per Month m.t./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
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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Min Order Qty: -
Supply Capability: -
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
Glass Door Floor Hinge/ Door Closer/Floor Spring for Glass Door/Floor Hinge for Glass Door FS-533
Heavy Duty Heavy Duty Detachable Bunk Bed CMAX-A05
Heavy Duty Heavy Duty Detachable Bunk Bed CMAX-A05
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Min Order Qty: 350 pcs pc
Supply Capability: 20000 pcs Per Month pc/month
Heavy duty pallet racking
Heavy duty pallet racking
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Min Order Qty: 5 Sets set
Supply Capability: 100 Sets Per Month set/month
Construction Heavy Duty Support Cuplock Scaffolding
Construction Heavy Duty Support Cuplock Scaffolding
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Min Order Qty: 1000 kg
Supply Capability: 100000 kg/month
Power Stacker-CS20 heavy-duty stacker CS20
Power Stacker-CS20 heavy-duty stacker CS20
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Min Order Qty: 1 unit
Supply Capability: 1 unit/month
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
heavy duty steel prop	for scaffolding
heavy duty steel prop for scaffolding
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Min Order Qty: -
Supply Capability: -
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
PVC Fencing with Heavy-Duty Aluminum Channel
PVC Fencing with Heavy-Duty Aluminum Channel
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Min Order Qty: 1000 pc
Supply Capability: 100000 pc/month
Dump Truck 8X4 Heavy Duty
Dump Truck 8X4 Heavy Duty
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Min Order Qty: 1 PCS
Supply Capability: 1500 PCS/month
Hydraulic Door Hinge/ Door Closer/Floor Spring for Glass Door/Floor Hinge for Glass Door FS-838
CNC Lathe Machine Heavy Duty
CNC Lathe Machine Heavy Duty
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Min Order Qty: -
Supply Capability: -
Manhole Cover Heavy Duty Square Set  D400
Manhole Cover Heavy Duty Square Set D400
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Min Order Qty: 1000 m.t.
Supply Capability: 200000 m.t./month
Hydraulic Floor Hinge/ Door Closer/Floor Spring for Glass Door/Floor Hinge for Glass Door FS-7300
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
Heavy Duty Square Set Manhole Cover D400
Heavy Duty Square Set Manhole Cover D400
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Min Order Qty: -
Supply Capability: -
Hydraulic Floor Hinge/ Door Closer/Floor Spring for Glass Door/Floor Hinge for Glass Door FS-222
20t heavy duty Explosion-Proof chain block
20t heavy duty Explosion-Proof chain block
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Min Order Qty: 1 pc
Supply Capability: 200 pc/month
Heavy Duty of Ring Lock  Scaffolding System
Heavy Duty of Ring Lock Scaffolding System
Ref Price: $4.30 - 18.35 / kg
Min Order Qty: 1000 kg
Supply Capability: 1000 kg/month
Dump Truck 8X4 31 Heavy Duty (ZZ3317N4267)
Dump Truck 8X4 31 Heavy Duty (ZZ3317N4267)
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Min Order Qty: 1 PCS
Supply Capability: 1500 PCS/month

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FAQ

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 to adjust the door closing force
Adjustment methods and precautions: see pictures in the picture, generally in the side of the door closer to the side of the regulation of the 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 Block is to adjust the door opening angle from 20 degrees to 0 degrees that is the door completely closed the speed of the trip. Adjust the valve if the screw tightening (clockwise adjustment) is to slow down the speed, that is, closing the door close the door to adjust the power. If the valve screw loose (counterclockwise 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
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
How to choose the door closers
Select the door closers should consider the factors are: the weight of the door, the width of the door, the door frequency and the use of requirements and the use of the environment. The weight of the door and the width of the door is the most important factor in choosing the door closer model, common doors are fire doors, wooden doors, aluminum doors, glass doors, steel doors and so on. Usually the weight of the door is small, select the smaller model, and vice versa.s
Closed door installation method and size
(Mm): Length 186 Width 44 Height 67 Installation Size: 19x168 (mm) Door Weight (mm): Length 186 Width 44 Height 67 Installation Size: 19x168 (mm) Door Weight Range: 45-65 (kg) Function: two-speed adjustable Applicable occasions: anti-theft door Function: two-speed adjustable Applicable occasions:s
What is the difference between concealed door closers and closures?
The main body and the slider of the dark doorcloth are installed in the door or door frame, the door of the material (wooden doors or profiles) and the thickness of the requirementss

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