Heavy Duty Door Closer

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China Main Port
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TT or LC
Min Order Qty:
500 Pieces pc
Supply Capability:
100000 Pieces per Month pc/month

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Product Description:

Specifications

1)function: closing and latching speed can be adjusted.

2)materail: die casting aluminum

3)door capacity:80-150kg

 

 

Usage:

1. Have  two or three valves to control the closing and latching speed and have back check function

2.This series is super oil pressing door closer, it's outer is made of aluminum alloy cated, outline modern.

3. It's gear and piston are made of steel of carbon structure, process by heat treatment may times.  good quality, steady and precise performance.

4. The spring is made from super material, process by heat treatment strengthen treatment. Ensure the door closing strenth and using life.

5. Be applicable all kinds of metal door aluminum door and wooden door. It's can be fit with the door left opening or right oping. 6. It's optional matching localing arm, stoping at any angle. 

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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 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 does the door closer work?
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: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.
Q: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.
Q:What is the difference between concealed door closers and closures?
Installation is different, showing different results. 1, the installation of different ways, mainly installed in the main body of the door, such as the door or door or door or door frame, concealed is hidden in the door, the outside can not see the metal parts. 2, showing different results, dark door closers do not see the door closer, open only see the slide. All parts of the door closers are external.
Q:Do not close the door closer?
Another model of small points, according to the width of the door with the weight of the choice of door closers. As well as domestic imports with the intensity of the difference are a lot, if the closure of the time when the tone is not smooth is poor door closers. Good closet is closed very soft.
Q:How much is the cheapest door closer?
I have the cheapest B2 series behind closed doors, as long as 25 yuan a
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:What are the door closers cheap and durable?
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
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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