Spring Gate Closers

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
Extension spring
Extension spring
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Spring Steel
Spring Steel
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Min Order Qty: 100Tons m.t.
Supply Capability: 500Tons Per Day m.t./month
Battery Spring
Battery Spring
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High Performance Slide Gate
High Performance Slide Gate
Ref Price: $3.00 - 15.00 / pc
Min Order Qty: 100 pc
Supply Capability: 1000 pc/month
extension spring
extension spring
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Leaf Spring
Leaf Spring
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Serpentine Spring
Serpentine Spring
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Belleville Spring
Belleville Spring
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Casting  Iron Gate Valve
Casting Iron Gate Valve
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Thread Gate Valve
Thread Gate Valve
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Min Order Qty: 10 Sets set
Supply Capability: 10000 Sets Per Month set/month
Cast Iron Gate Valve Resilient Seated Flanged Gate Valve  Structure: Gate Pressure: Medium
High Performance Refractory  Slide Gate
High Performance Refractory Slide Gate
Ref Price: $3.00 - 15.00 / pc
Min Order Qty: 100 pc
Supply Capability: 1000 pc/month
Cast Iron gate Valve Standard:DIN Structure: Gate Pressure: Medium
Cast Iron gate Valve Standard:DIN Structure: Gate Pressure: Medium
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Min Order Qty: 100 pc
Supply Capability: 9999 pc/month
Cast Iron Gate Medium Temperature Standard Structure: Gate Pressure: Medium
Cast Iron Gate Medium Temperature Standard Structure: Gate Pressure: Medium
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Min Order Qty: 100 pc
Supply Capability: 9999 pc/month
Stainless Steel Compression Spring
Stainless Steel Compression Spring
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Spring Steel 65Si2MnA
Spring Steel 65Si2MnA
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Round Bar Alloy Steel SAE5160 Spring Steel Special Steel
Round Bar Alloy Steel SAE5160 Spring Steel Special Steel
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Min Order Qty: 30 m.t.
Supply Capability: 10000 m.t./month
Good Leaf Spring
Good Leaf Spring
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Min Order Qty: -
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Spring Strip Steel
Spring Strip Steel
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Min Order Qty: 25MT m.t.
Supply Capability: 500000TONS/YEAR m.t./month
Nonoxides Bonding Slide Gate Refractory Slide Gate Plate for Steel Casting Erosion Resistance
Nonoxides Bonding Slide Gate Refractory Slide Gate Plate for Steel Casting Erosion Resistance
Ref Price: $1.00 - 18.88 / pc
Min Order Qty: 100 pc
Supply Capability: 10000 pc/month
Hot Rolled Spring Steel
Hot Rolled Spring Steel
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Min Order Qty: 50MT m.t.
Supply Capability: 600000TONS/YEAR m.t./month
Best Flat Wire Spring
Best Flat Wire Spring
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Sea 9260 Spring Steel Bar
Sea 9260 Spring Steel Bar
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Min Order Qty: 30 m.t.
Supply Capability: 120000 m.t./month
High Class Serpentine Spring
High Class Serpentine Spring
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Min Order Qty: -
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Elastic seat sealed gate valve
Elastic seat sealed gate valve
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CNBM Ductile iron BS5163 gate valve 12‘’
CNBM Ductile iron BS5163 gate valve 12‘’
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high carbon spring wire
high carbon spring wire
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Spring Steel Bar
Spring Steel Bar
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Min Order Qty: 50Tons m.t.
Supply Capability: 50000TONS /YEAR m.t./month
Slide Gate Plate Machine Refractory Slide Gate Plate for Steel Casting Erosion Resistance
Slide Gate Plate Machine Refractory Slide Gate Plate for Steel Casting Erosion Resistance
Ref Price: $1.00 - 18.88 / pc
Min Order Qty: 100 pc
Supply Capability: 10000 pc/month
Gate Valve1.6Mpa,2.5MpaHydraulically Dredge
Gate Valve1.6Mpa,2.5MpaHydraulically Dredge
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Min Order Qty: 150 kg
Supply Capability: 10000 kg/month
Slide Gate Refractories Refractory Slide Gate Plate for Steel Casting Erosion Resistance
Slide Gate Refractories Refractory Slide Gate Plate for Steel Casting Erosion Resistance
Ref Price: $1.00 - 18.88 / pc
Min Order Qty: 100 pc
Supply Capability: 10000 pc/month
Best Quality Battery Spring
Best Quality Battery Spring
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Min Order Qty: -
Supply Capability: -
Ductile iron gate valve
Ductile iron gate valve
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Min Order Qty: 100 PCS
Supply Capability: 1000 PCS/month
Spring Clip 0.60mm
Spring Clip 0.60mm
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Min Order Qty: -
Supply Capability: -
Spring Steel Strip
Spring Steel Strip
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Min Order Qty: 50MT m.t.
Supply Capability: 600000TONS/YEAR m.t./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?
Closed door installation method 1, 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, according to the requirements of the size of the closing force, by reversing the connecting seat 180 ° or change the connection between the connecting rod and the connection between the seat position, can change the closing force. 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, according to the installation model on the location of the instructions to determine the location of the installation screw, and then drilling, tapping. 4, with a screw to install the door closer. 5, the installation of fixed connector. 6. Install the drive plate with screws. 7, adjust the adjustment lever to the door frame into 90 °, and then connect the connecting rod and drive board connected together. 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 the fixed screw is fastened, no loose or not strong phenomenon. 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.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
Would like to ask what kind of door closers, suitable for hotel works with what?
We can usually go to the nearest building materials market door door (Foshan). The type of door closers can be divided into: 1, installed in the door outside the door, 2, behind closed doors hidden in the door, collectively known as hidden behind closed doors.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
1, whether the need to open the door after the automatic stop function. 2, damping buffer function - mainly reflected in the process of opening the door after about 70 degrees to open the door resistance, so that the door has a clear feel and pay attention to open the door to avoid damage to the back of the door related objects. 3, closing delay function - mainly reflected in the closing speed, generally from the largest point of view to 75 degrees, mainly to extend the speed of the door in order to slow down the small slow through the door. 4, the closing force can be adjusted - can be used in the door with a wide range of doors on a 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, damping reset function temporary shutdown performance (vertical door closers) - in the open any angle, turn off the speed control valve should be able to temporarily suspend the damping reset function. 6, safe and fast super damping off performance (vertical door closers) - in the process of closing any angle suddenly exert force, should be able to quickly and safely shut down. 7, the use of the environment: fire and fire requirements in the winter 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.s
How much is the cheapest door closer?
I have the cheapest B2 series behind closed doors, as long as 25 yuan as

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