Door Closer 503

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China Main Port
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TT or LC
Min Order Qty:
1000 Pieces pc
Supply Capability:
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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- Inquire about price/MOQ

Q:How much is the cheapest door closer?
I have the cheapest B2 series behind closed doors, as long as 25 yuan a
Q:Do not close the door closer?
There is a small mouth on the right side of the door closer, there are screws, that is, tight tone. There are two valves next to the door closer to the speed but can not adjust the weight. The choice of the door closers is too heavy.
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:What is the main function of the door closers of fire doors?
To ensure that the door in a normally closed state, to avoid instantaneous fire through.
Q:How to make the door closer not shut down
With the adjustment has nothing to do with the purchase of whether the positioning of the door closer. You do not want to close, you must first buy the positioning of the door closer
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 adjust the door closing force
Adjust the closing force of the closing door is to adjust the closing speed, the strength of the fast when the speed is small, the door closers close the speed of the slow.
Q:Would like to ask what kind of door closers, suitable for hotel works with what?
Door closers hidden in the door frame, collectively known as the day hinge.
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: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!
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
Annual Output Value
Main Markets
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Nearest Port zhejiang
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Language Spoken: ENGLISH,CHINESE
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