Die Casting Aluminum Havey Duty Door Closer

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China Main Port
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TT or LC
Min Order Qty:
500 Pieces m.t.
Supply Capability:
100000 Pieces per Month m.t./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

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.

 

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Q:Do the door closers have automatic stop function?
Door closers are generally selected without positioning function of the product, the use of closed doors are generally to automatically close the door, and with positioning or stop function of the door closer price is generally about 30%, closed door function door open Angle can not be greater than 116 degrees, or easy to damage the door closer.
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 main function of the door closers of fire doors?
Fire door closers play the role is that when you open the fire door, the door closet will automatically start off the fire door, so that the fire door can be turned off. So that fire doors effectively play a role in blocking the fire and the spread of smoke.
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:What is the difference between concealed door closers and closures?
Closed door closers refers to the main part of the door closet installed in the door or door frame, with a set of transmission rod drive action. Concealed vertical closers should be understood that the whole body of the door closet must be hidden in the door, from the outside can not see the screws and any parts. Semi-concealed type refers to the main body of the door closer, the slide is mounted on the long slot in the door frame or the door, and the transmission rod is still outside.
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: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.
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?
The key is the frequency of use of the janitor
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

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Range  
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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