Die Casting Aluminum Havey Duty Door Closer

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 500 Pieces m.t.

Supply Capability:: 100000 Pieces per Month m.t./month

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Specifications

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

2)materail: die casting aluminum

3)door capacity:80-150kg

4)the capacity of door closer:80-150g

Application

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.

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 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: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:What do you need to install a door closer?: Hidden Installation: This installation method for hidden door closers, the general door closers installed on the door, slide installed in the door frame. Door closers can be on both sides of the door. Compared with the first three installation methods, this installation method to minimize the closing force. After installation in this way, the door in the closed state, there is no exposed parts, so the most beautiful. This installation is the most complex, it is best to need a professional to install. This installation requires a large gap between the door and the door frame, usually 10mm (or the installation of the door to remove the material, increase the gap). The thickness of the door exceeds 42mm.

Q:How much is the cheapest door closer?: Well-known domestic brands - Branch guide, her a small door closet KE-151 is relatively cheap, and ? 40. Branch guide the door closer, good quality, stable performance, sold overseas, so the cheapest door closet is certainly less than ? 40. Hope to help some.

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:Just bought back, do not know why the rotation of the axis does not move ... no way to install: First, the solution: Use a screwdriver to release the adjustment valve on the door closer. Second, the role of behind closed doors: Modern hydraulic door closers (hereinafter referred to as closed doors) began in the early twentieth century, a patent registered by the Americans, it is different from the traditional door closers, through the closure of the liquid in the throat to achieve the buffer effect The The core of the design of the hydraulic gatekeeper is to realize the control of the closing process so that the various functional indexes of the closing process can be adjusted according to the needs of the people. The significance of the door closer is not only to automatically shut the door, but also to protect the door frame and the door (smooth off), more importantly, the door closet has become a modern building intelligent management of a non-negligible implementation of the part. Door closers are mainly used in commercial and public buildings, but are also used at home. 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: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 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: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.

Our products adopt superior fireproof technology. Our products have reliable quality, high precision processing and fast closing speed. Our closers can be controlled stably with guaranteed 1,000,000-time service life. Our door closers not only have the functions of closing, latching, back check and time delaying, but also have the function of 40-to-85-kilogram or 60-to-120-kilogram power adjustment. We look forward to your business negotiation and will sincerely be your best trade partner. Let us blaze new trails, create win-win situation and develop together. .

1. Manufacturer Overview
Location	Zhejiang,China (Mainland)
Year Established	2006
Annual Output Value	US$5 Million - US$10 Million
Main Markets	8.33% North America 8.33% South America 8.33% Eastern Europe 8.33% Southeast Asia 8.33% Africa 8.33% Oceania 8.33% Mid East 8.33% Eastern Asia 8.33% Western Europe 8.33% Central America 8.33% Northern Europe 8.33% Southern Europe
Company Certifications	UL; CE; ISO9001 Certificate

2. Manufacturer Certificates
a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability
a)Trade Capacity
Nearest Port	Ningbo,Shanghai
Export Percentage	81% - 90%
No.of Employees in Trade Department	3-5 People
Language Spoken:	English, Chinese
b)Factory Information
Factory Size:	Below 1,000 square meters
No. of Production Lines	1
Contract Manufacturing	OEM Service Offered Design Service Offered Buyer Label Offered
Product Price Range