Door Closing Springs

High Tensile Strength 2.5mm Steel Springs Wire
High Tensile Strength 2.5mm Steel Springs Wire
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Min Order Qty: -
Supply Capability: 100000 m.t./month
Springs For Electronic Vehicles Digging Machines Industry Ovens
Springs For Electronic Vehicles Digging Machines Industry Ovens
Ref Price: $1.50 / pc
Min Order Qty: 0 pc
Supply Capability: 10000 Pieces Per Month pc/month
BATTERY SPRINGS WITH LOWEST PRICE AND BEST QUALITY
BATTERY SPRINGS WITH LOWEST PRICE AND BEST QUALITY
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Min Order Qty: 1000 pc
Supply Capability: 200000 pc/month
Low Price TC springs motorcycle front fork oil seal
55Cr3 Alloy Flat Spring Steel Bars for Leaf Springs
55Cr3 Alloy Flat Spring Steel Bars for Leaf Springs
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Min Order Qty: 30 m.t.
Supply Capability: 10000 m.t./month
Roller Blind Double Sided with Springs Blind Parts
Roller Blind Double Sided with Springs Blind Parts
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Min Order Qty: 50 m²
Supply Capability: 10000 m²/month
Roller Blinds Double Sided with Springs Blinds Parts
Roller Blinds Double Sided with Springs Blinds Parts
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Min Order Qty: 50 m²
Supply Capability: 10000 m²/month
Roller Blinds Double Sided with Springs Blind Parts
Roller Blinds Double Sided with Springs Blind Parts
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Min Order Qty: 50 m²
Supply Capability: 10000 m²/month
Roller Blinds Double Sided with Springs Blinds Part
Roller Blinds Double Sided with Springs Blinds Part
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Min Order Qty: 50 m²
Supply Capability: 10000 m²/month
Roller Blind Double Sided with Springs Blinds Parts
Roller Blind Double Sided with Springs Blinds Parts
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Min Order Qty: 50 m²
Supply Capability: 10000 m²/month
Roller Blinds Double Sided with Springs Blind Part
Roller Blinds Double Sided with Springs Blind Part
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Min Order Qty: 50 m²
Supply Capability: 10000 m²/month
Roller Blind Double Sided with Springs Blinds Part
Roller Blind Double Sided with Springs Blinds Part
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Min Order Qty: 50 m²
Supply Capability: 10000 m²/month
DIN 55Cr3 Spring flat steel for auto suspension leaf springs
DIN 55Cr3 Spring flat steel for auto suspension leaf springs
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Min Order Qty: 21 m.t
Supply Capability: 15000 m.t/month
Hydraulic Hinges Kithcen Cabinet Furniture Conceal Soft Closing Door Hinge
Hydraulic Hinges Kithcen Cabinet Furniture Conceal Soft Closing Door Hinge
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Min Order Qty: 1000 pc
Supply Capability: 3000000 pc/month
Auto-Closing Magnetic Door curtain DIY Magnetic Window Screen
Auto-Closing Magnetic Door curtain DIY Magnetic Window Screen
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Min Order Qty: 10 m²
Supply Capability: 500000 m²/month
35mm Cup Glass Door Soft Closing HInge  GS35H
35mm Cup Glass Door Soft Closing HInge GS35H
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Min Order Qty: 1000 pc
Supply Capability: 1000000 pc/month
Armored Door
Armored Door
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Competitive Aluminum Door Price Aluminium Casement Door
Competitive Aluminum Door Price Aluminium Casement Door
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Min Order Qty: -
Supply Capability: 1000 m²/month
steel security door,Patented Security Door
steel security door,Patented Security Door
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Min Order Qty: 1000 set
Supply Capability: 20000 set/month
Top Quality Garage Door
Top Quality Garage Door
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Min Order Qty: -
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Door Lock and Door Handle
Door Lock and Door Handle
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Min Order Qty: 300 Pairs m.t.
Supply Capability: 30000 Pairs per Month m.t./month
Door Lock for Frameless Glass Door BS81N
Door Lock for Frameless Glass Door BS81N
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Supply Capability: -
Exterior PVC MDF Door
Exterior PVC MDF Door
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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
MDF door (YF-M23) Cheaper Price  Interior Door
MDF door (YF-M23) Cheaper Price Interior Door
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Min Order Qty: 20 m.t.
Supply Capability: 1000 m.t./month
copper door steel security door TX-767
copper door steel security door TX-767
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Supply Capability: -
CY- door
CY- door
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Min Order Qty: -
Supply Capability: 3000 set/month
Panel Residential Steel Door Security Steel Door
Panel Residential Steel Door Security Steel Door
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Supply Capability: -
Interior Door
Interior Door
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Min Order Qty: 100 Pieces pc
Supply Capability: 1000 Pieces per Day pc/month
Door Lock for Frameless Glass Door BS26
Door Lock for Frameless Glass Door BS26
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Min Order Qty: -
Supply Capability: -
Silicon rectifier of GKA series for switching closing
All Glass Revolving Door
All Glass Revolving Door
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PVC Swing Door
PVC Swing Door
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Chinese factory door/steel door for construction
Chinese factory door/steel door for construction
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Min Order Qty: 1 pc
Supply Capability: 400 pc/month
Glass Door Hinge JL04
Glass Door Hinge JL04
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Min Order Qty: -
Supply Capability: -
DOOR NATURAL FENCING PANEL
DOOR NATURAL FENCING PANEL
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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
What do you need to install a door closer?
Standard installation: the door closet is mounted on the door, the stand is mounted on the door frame, and the door closet is mounted on 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.s
How to adjust the door closing force
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.s
Do the door closers have automatic stop function?
Door closers are generally selected without positioning function of the product, the use of closed doors are generally to automatically close the door, and with positioning or stop function of the door closer price is generally about 30%, closed door function door open Angle can not be greater than 116 degrees, or easy to damage the door closer.s
What are the door closers cheap and durable?
Because the door closers are also to do life testing immediately out of the 3C before doing CE testing and other domestic 20-30 are basically under the service life of 50,000 times, for example, Wuxi Gelite, the interests of OKorder Opel Not as much as he did advertising that more than 200,000 times. And then there is a regular test report price between 30-70, for example, GMT and then up is the international brand, and Gezer estimated that you will not consider expensive but really stable, which is not the same doors
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
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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