Heavy Duty Door Damper

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
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
Grade 1 Commercial Heavy Duty Surface-Mount Door Closer
2014 new style heavy duty aluminum glass patio folding door
2014 new style heavy duty aluminum glass patio folding door
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Min Order Qty: 1000 set
Supply Capability: 20000 set/month
High Quality aluminium heavy duty glass sliding door
High Quality aluminium heavy duty glass sliding door
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Min Order Qty: 50 pc
Supply Capability: 15000 pc/month
Door Closer with New Type Heavy Duty with 60kg / Automatic Concealed Smart Door Closer DC708
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
Heavy Duty Conveyor Belt
Heavy Duty Conveyor Belt
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Min Order Qty: -
Supply Capability: -
heavy duty supermarket rack
heavy duty supermarket rack
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Min Order Qty: -
Supply Capability: -
Heavy Duty Bunk Bed
Heavy Duty Bunk Bed
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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
Heavy Duty Washing Machine
Heavy Duty Washing Machine
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Min Order Qty: 1 Set set
Supply Capability: 100 Set Per Month set/month
Heavy Duty String Light
Heavy Duty String Light
Ref Price: $1.03 - 51.50 / pc
Min Order Qty: 100 Sets pc
Supply Capability: 3000 Sets pc/month
Heavy Duty Brass PadLock
Heavy Duty Brass PadLock
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Min Order Qty: 200 Pieces pc
Supply Capability: 100,000 Pieces per Month 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 pipe wrench
heavy duty pipe wrench
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Min Order Qty: -
Supply Capability: -
wire mesh stainless steel in heavy duty
wire mesh stainless steel in heavy duty
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Min Order Qty: 10 m.t.
Supply Capability: 1000 m.t./month
heavy duty aluminum entrance mat
heavy duty aluminum entrance mat
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Min Order Qty: -
Supply Capability: -
Manhole Cover  Heavy Duty Round Ductile Iron
Manhole Cover Heavy Duty Round Ductile Iron
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Min Order Qty: 100
Supply Capability: 10000 /month
Construction Heavy Duty Support Steel Props
Construction Heavy Duty Support Steel Props
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Min Order Qty: 1000 pc
Supply Capability: 1000000 pc/month
Scafold Gray Flame Heavy Duty Adjustable Caster
Scafold Gray Flame Heavy Duty Adjustable Caster
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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
Heavy Duty Milling Stubbing Wheel High Speed
Heavy Duty Milling Stubbing Wheel High Speed
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Min Order Qty: 690 pc
Supply Capability: 120000 pc/month
Heavy Duty Double-Suction Centrifugal Water Pump
Heavy Duty Double-Suction Centrifugal Water Pump
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Min Order Qty: 1 unit
Supply Capability: 500 unit/month
heavy duty steel prop	for scaffolding
heavy duty steel prop for scaffolding
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Min Order Qty: -
Supply Capability: -
Heavy Duty Bunk Bed CMAX-A04
Heavy Duty Bunk Bed CMAX-A04
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Min Order Qty: 230 sets pc
Supply Capability: 20000 Pieces per Month pc/month
Electric Stacker 2.0t Heavy-Duty High Lifting
Electric Stacker 2.0t Heavy-Duty High Lifting
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Min Order Qty: 1 PCS
Supply Capability: 1000 PCS/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
Heavy duty casting wire rope electric hoist
Heavy duty casting wire rope electric hoist
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Min Order Qty: 1 unit
Supply Capability: 30 unit/month
machinery hydraulic ram for  heavy duty machinery
machinery hydraulic ram for heavy duty machinery
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Min Order Qty: -
Supply Capability: -
Heavy-duty Woodworking Surface Planer
Heavy-duty Woodworking Surface Planer
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Min Order Qty: 1 Set set
Supply Capability: 24 Sets Per Month set/month
Heavy Duty Bunk Bed CMAX-A06
Heavy Duty Bunk Bed CMAX-A06
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Min Order Qty: 230 pcs pc
Supply Capability: 30000 Pcs pc/month
Compression Spring Heavy Duty with Stainless Steel
Compression Spring Heavy Duty with Stainless Steel
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Min Order Qty: 50 m.t.
Supply Capability: 1000 m.t./month
Dump Truck 6X4 Heavy Duty Truck (ZZ3317N4267)
Dump Truck 6X4 Heavy Duty Truck (ZZ3317N4267)
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Min Order Qty: 1 PCS
Supply Capability: 1500 PCS/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

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FAQ

What oil is used in the closer
One, generally 40 # low pour hydraulic oil. Second, the use of door closers requirements and choice Door closer products must meet the national standard GB9305-88, for the use of fire doors closed doors should also meet the GA93-1995 "door lock with fire doors test" requirements. 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. The door frequency is closely related with the product quality factors, the use of frequent occasions, the product should be required to seal the performance is better, long life.s
How does the door closer work?
The door closer is a similar spring-like hydraulic pressure, when the door is opened after the release by compression, the door automatically shut, like the role of the spring door, you can ensure that the door is opened, accurate and timely closure to the initial positions
What is the main function of the door closers of fire doors?
Fire door closers play the role is that when you open the fire door, the door closet will automatically start off the fire door, so that the fire door can be turned off. So that fire doors effectively play a role in blocking the fire and the spread of smoke.s
Do the door closers have automatic stop function?
1, the door closers are not automatically shut the door function. With the positioning or stop function of the door closer prices generally higher than the usual price of about 30%. 2, the door closer is a spring similar to the spring, when the door can be opened after the release of compression, the door automatically shut, like the role of the spring door, you can ensure that the door is opened, accurate and timely closed to initial position. 3, behind closed doors are mainly used in commercial and public buildings, but there are also used in the home situation. 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 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 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?
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
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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