Door Closer 503

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1000 Pieces pc
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50000 Pieces per Month pc/month

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Product Description:

UL listed,high quality and inexpensive,Popular in European and Ukrain market and etc

 

1) installation dimension(length*width*height):206mm*19mm*72mm

 

2) suit for door weight 40~65kgs,suitable for commercial and residential buildings

 

3) 1 million cycles and five years guaranteed.

 

4) Universal application, standard, top jamb, parallel arm installation

 

5) Closing and latching speed controlled by two separated regulating valves.

 

6) finish color optional as request:silver,black,duro,gold etc.

 

7) UL listed

 

8) Optional Built-in HOLD Open type:503D

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Q:What do you need to install a door closer?
Parallel installation: The door closer is mounted on the door and the parallel plate is mounted on the door frame. And the door closer is mounted on the door side. This installation method is suitable for the door frame is very narrow, or almost no door frame. In accordance with this way after installation, because there is no prominent connecting rod and rocker, so more beautiful. Compared with the standard installation, this installation method is suitable for opening doors such as walls and other obstacles. This type of installation is less closed.
Q: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.
Q:Closer prices
You have to say that you choose the door of the door of their models corresponding to the parameters, we will be based on your needs corresponding to the same price.
Q:What are the door closers cheap and durable?
The key is the frequency of use of the janitor
Q: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:
Q:How closed the door closers
Adjust the tightening of the door closer is to adjust the closing speed, the strength of the fast when the speed is small, the door is close to the door close to the slow speed. 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. Adjustment method and precautions: (1) generally in the side of the door closer to the side of the adjustment 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 is to adjust the door opening angle from 20 Degrees to 0 degrees is the door completely closed the speed of the trip. (2) When adjusting the valve screw tightening (clockwise adjustment) is to slow down the speed, that is, the door closer to the door to adjust the power. (3) If the valve screw loose (counter-clockwise 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.
Q: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.
Q: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.
Q: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.
Q: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.
Our business is related to Home & Garden industry and we specifically deal in door closer. Please find our product details below: Door Closer (8000 Series) Easy to adjust the speed, all speed screws on the front side of door closer. Adjustable closing force(EN1-4 & EN 2-6), closing & latching speed are adjustable to meet the high standard demand.

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Location Zhejiang,China
Year Established 2008
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