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 Bunk Bed
Heavy Duty Bunk Bed
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Min Order Qty: -
Supply Capability: -
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 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: -
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
Fuel Tank Truck Heavy Duty 8X4
Fuel Tank Truck Heavy Duty 8X4
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Min Order Qty: 1 PCS
Supply Capability: 1500 PCS/month
heavy duty aluminum entrance mat
heavy duty aluminum entrance mat
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Min Order Qty: -
Supply Capability: -
Heavy Duty Pallet Racking System for Warehouse
Heavy Duty Pallet Racking System for Warehouse
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Min Order Qty: 100 set
Supply Capability: 10000 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
Heavy Duty Metal Bunk Bed CMAX-A04
Heavy Duty Metal Bunk Bed CMAX-A04
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Min Order Qty: 230 pcs pc
Supply Capability: 20000 Pieces Per Month pc/month
Fuel Tank Truck Heavy Duty 375HP 8X4
Fuel Tank Truck Heavy Duty 375HP 8X4
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Min Order Qty: 1 PCS
Supply Capability: 1500 PCS/month
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
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
American Style Heavy Duty Combination Plier
American Style Heavy Duty Combination Plier
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Min Order Qty: 1 pc
Supply Capability: 10000 pc/month
Duty Electric Pallet Truck Heavy
Duty Electric Pallet Truck Heavy
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Min Order Qty: 1 PCS
Supply Capability: 2000 PCS/month
stainless steel heavy duty hose clamps
stainless steel heavy duty hose clamps
Ref Price: $0.03 / pc
Min Order Qty: 100 pcs pc
Supply Capability: 300000pcs Per Month pc/month
Anti  Rust  Heavy Duty  Chain  Link  Fence
Anti Rust Heavy Duty Chain Link Fence
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Min Order Qty: 4500 m²
Supply Capability: 200000000 m²/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
10t heavy duty Explosion-Proof Chain block
10t heavy duty Explosion-Proof Chain block
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Min Order Qty: 1 pc
Supply Capability: 200 pc/month
Heavy Duty Metal Single Bed CMAX-B01
Heavy Duty Metal Single Bed CMAX-B01
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Min Order Qty: 100 Pcs pc
Supply Capability: 50000 Pcs pc/month
Heavy Duty Metal Bunk Bed
Heavy Duty Metal Bunk Bed
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Min Order Qty: 230 pcs pc
Supply Capability: 20000 pcs per month pc/month
Heavy Duty Hollow Core Slab Making Machine
Heavy Duty Hollow Core Slab Making Machine
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Min Order Qty: 1 pc
Supply Capability: 5 pc/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
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

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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
What do you need to install a door closer?
Door frame installation: Door closers installed in the door frame, the seat installed on the door, and the door closer to the door. 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
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
The side of the door closers has a screw to control the size of the oil or return air, do not screw too much! Will leak!s
Closer prices
This model, style, each manufacturer, brand has a different parameter.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?
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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