• Door Closer 503 System 1
Door Closer 503

Door Closer 503

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Loading Port:
China Main Port
Payment Terms:
TT or LC
Min Order Qty:
1000 Pieces pc
Supply Capability:
50000 Pieces per Month pc/month

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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

Q: At least 2 years old, because I am doing the project, you can need a large number of purchases. Others say the Internet is cheaper, but not kind, afraid of poor quality. We recommend to me.
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 door
Q: How closed the door closers
There is a small mouth on the right side of the door closer, there are screws, that is, tight tone
Q: How to install the door closer
Connecting rod and the door to 90 degrees, then the host mounted on the door, two screws on the door, rocker in the door frame. ???? 2, the installation of door closers ???? A, closed door installation ???? The most commonly used door closers are exterior door closers, which are installed as follows: ???? The most common standard usage is that the door closers are mounted on the hinge side and the door opens. When installed, the arms of the door closers protrude outward and about 90 ° to the door frame. ???? In the second use, the door closer is mounted on the opposite side of the hinge side. Typically, an additional bracket provided with the door closer is mounted on an arm parallel to the door frame. This kind of usage is usually not required to install the door closer to the outside of the building outside the open door. ???? The door closer is installed on the opposite side of the hinge of the door. This use can also be used in outward doors, especially only on a very narrow edge, without enough space to accommodate the doors of the door closer.
Q: Is it hydraulic? Inside a lot of oil ah?
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 position The
Q: 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!
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: What is the difference between concealed door closers and closures?
The main body and the slider of the dark doorcloth are installed in the door or door frame, the door of the material (wooden doors or profiles) and the thickness of the requirements
Q: 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.
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: Closed door installation method and size
600 series of door closers, with its small size, reasonable structure design, good performance and become a cost-effective door closers, with significant economic. 600 series of door closers are widely used in fire doors, security doors and a variety of decorative doors, as the domestic door closers one of the largest varieties of sales.
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.

1. Manufacturer Overview

Location Zhejiang,China
Year Established 2008
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Main Markets
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Nearest Port zhejiang
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Language Spoken: ENGLISH,CHINESE
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