Heavy Duty Commercial Door Closer

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
Grade 1 Commercial Heavy Duty Surface-Mount Door Closer
Door Closer with New Type Heavy Duty with 60kg / Automatic Concealed Smart Door Closer DC708
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
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
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
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
good quality automatic door closer
good quality automatic door closer
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Min Order Qty: -
Supply Capability: -
Door closer for 80-85kg
Door closer for 80-85kg
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Min Order Qty: -
Supply Capability: -
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
Heavy Duty Pallet Racking System for Warehouses
Heavy Duty Pallet Racking System for Warehouses
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Min Order Qty: 100 set
Supply Capability: 10000 set/month
Glass Door Floor Hinge/ Door Closer/Floor Spring for Glass Door/Floor Hinge for Glass Door FS-533
Heavy Duty Steel Prop of Scaffolding System
Heavy Duty Steel Prop of Scaffolding System
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Min Order Qty: 1000 pc
Supply Capability: 1000000 pc/month
Manhole Cover Heavy Duty Ductile Iron D400
Manhole Cover Heavy Duty Ductile Iron D400
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Min Order Qty: 500 m.t.
Supply Capability: 5000 m.t./month
Heavy duty construction concrete wall steel props
Heavy duty construction concrete wall steel props
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Min Order Qty: 10000 PCS
Supply Capability: 10000 PCS/month
door closer for 45-85 kgs, stainless steel
door closer for 45-85 kgs, stainless steel
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Min Order Qty: -
Supply Capability: -
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
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
Heavy Duty Timer
Heavy Duty Timer
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Min Order Qty: 1000 Pieces pc
Supply Capability: 50000 Pieces per Month pc/month
Heavy Duty Metal Single Bed
Heavy Duty Metal Single Bed
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Min Order Qty: -
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factory price aluminium heavy duty glass sliding door
factory price aluminium heavy duty glass sliding door
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Min Order Qty: 100 pc
Supply Capability: 60000 pc/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
heavy duty pipe wrench
heavy duty pipe wrench
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Min Order Qty: -
Supply Capability: -
Hydraulic Door Hinge/ Door Closer/Floor Spring for Glass Door/Floor Hinge for Glass Door FS-838
Casting Machining Wheel Hub Uesd for Heavy Duty Truck
Casting Machining Wheel Hub Uesd for Heavy Duty Truck
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Min Order Qty: 100 PCS
Supply Capability: 30000 PCS/month
Hydraulic Aluminium Automatic Door Closer from China
Heavy duty cuplock type construction scafoldings
Heavy duty cuplock type construction scafoldings
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Min Order Qty: 1000 kg
Supply Capability: 1000 kg/month
Heavy Duty Square Set Manhole Cover D400
Heavy Duty Square Set Manhole Cover D400
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Min Order Qty: -
Supply Capability: -
Heavy Duty Strong Waterproof Duct/Cloth Tape
Heavy Duty Strong Waterproof Duct/Cloth Tape
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Min Order Qty: 500 roll
Supply Capability: 10000000 roll/month

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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
What is the main function of the door closers of fire doors?
To ensure that the door in a normally closed state, to avoid instantaneous fire through.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
How to make the door closer not shut down
With the adjustment has nothing to do with the purchase of whether the positioning of the door closer. You do not want to close, you must first buy the positioning of the door closers
Closer prices
This model, style, each manufacturer, brand has a different parameter.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?
Closed door closers refers to the main part of the door closet installed in the door or door frame, with a set of transmission rod drive action. Concealed vertical closers should be understood that the whole body of the door closet must be hidden in the door, from the outside can not see the screws and any parts. Semi-concealed type refers to the main body of the door closer, the slide is mounted on the long slot in the door frame or the door, and the transmission rod is still outside.s
How to install the door closer
Closed door installation steps:     Usually with the door closer to provide instructions for the installation of the model, so first read the instructions, according to the direction of the door, the size of the closing force and the door closer, the connection between the seat and the door hinge to determine the installation location.     2) Depending on the closing force size, the closing force can be changed by reversing the connecting seat by 180 ° or by changing the connection position between the connecting rod and the connecting seat. Adjust the distance between the connecting rod and the hinge centerline of the door, the smaller the closing force of the door closer, the greater the strength.     3) Determine the position of the mounting screw according to the position indication on the mounting plate, then drill and tapping.     4) Install the door closer with screws.     5) Install the fixed connector.     6) Install the drive plate with screws.     7) Adjust the adjustment lever to 90 ° to the door frame, and then connect the connecting rod to the drive plate.     8) Do not forget to install a plastic cover, it can be used to catch the closed door leakage of hydraulic oil.     9) After installation, check whether the fixing screws are fastened or loose or not. Open the door to the maximum door position, check whether the hinge arm of the door closer is rubbed or rubbed against the door or door frame.     Close the door closing speed     10) Adjust the closing speed of the door closer as needed. Usually the door closers have two speed control (throttle spool) screws. The upper adjustment screw is the first section of the closing speed adjustment screw, and the lower adjustment screw is the second speed (usually 10º) closing speed adjustment screw.     C, the use of door closers and maintenance, repair     The newly installed door closers should be used for one week to about 10 days, and all screws should be checked and re-tightened again.s

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