Fireproof Automatic Hydraulic Door Closer

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1000 Pieces pc
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100000 Pieces per Month pc/month

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Product Description:

1)Materail: die casting aluminum

 

2)Closing and latching speed adjustable

 

3)1million cycles test

 

4)5 years warranty

 

Door closer Features:
1. High quality aluminium-alloy door closer body.
2.Silver golden  bronze color are optional
3. Door closer comply to EN 1154.
4. Fire-rated tested
5. Back Check (BC) and Delay Action available.
6. 90°hold-open optional.
7. With standard arm.Parallel arm channel,hold-open arm are optional.
8. 2 closing speed adjustable.
9. one million  cycles  tested .
10.Germany FUCHS oil and Japan sealed rings, can work well in cold  temperature.

 

Specification:

Model#: 5012
Power adjustableEN#2
Door Width(mm)900
Door Weight40-65kg
Maximum Open Angle180°
Closing Speed AdjustmentSpeed 10°-20°
Speed 220°-180°
Application Temperature-40°C-60°C
Main Body Size(mm)Length178.0
Width53.0
Height64.0
Warranty5 years

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Q:Closer prices
This model, style, each manufacturer, brand has a different parameter.
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:Why do you turn the door closer?
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: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 can we install a door closet
Parallel installation: The door closer is mounted on the door and the parallel plate is mounted on the door frame. And the door closer is mounted on the door side. This installation method is suitable for the door frame is very narrow, or almost no door frame.
Q:How to make the door closer not shut down
1, whether the need to open the door after the automatic stop function. 2, damping buffer function - mainly reflected in the process of opening the door after about 70 degrees to open the door resistance, so that the door has a clear feel and pay attention to open the door to avoid damage to the back of the door related objects. 3, closing delay function - mainly reflected in the closing speed, generally from the largest point of view to 75 degrees, mainly to extend the speed of the door in order to slow down the small slow through the door. 4, the closing force can be adjusted - can be used in the door with a wide range of doors on a 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, damping reset function temporary shutdown performance (vertical door closers) - in the open any angle, turn off the speed control valve should be able to temporarily suspend the damping reset function. 6, safe and fast super damping off performance (vertical door closers) - in the process of closing any angle suddenly exert force, should be able to quickly and safely shut down. 7, the use of the environment: fire and fire requirements in the winter 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.
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 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
Now the door closer product market chaos, cheap and difficult to guarantee the quality and service life. Can be self-adjusting the side door screws tight, too loose will leak! If not only timely replacement.
Q:What is the difference between concealed door closers and closures?
Compared to the dark, behind the door more beautiful, but the use of closed door closer to the door more convenient.
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  
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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