Fireproof Automatic Hydraulic Door Closer

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 1000 Pieces pc

Supply Capability:: 100000 Pieces per Month pc/month

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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 adjustable		EN#2
Door Width(mm)		900
Door Weight		40-65kg
Maximum Open Angle		180°
Closing Speed Adjustment	Speed 1	0°-20°
	Speed 2	20°-180°
Application Temperature		-40°C-60°C
Main Body Size(mm)	Length	178.0
	Width	53.0
	Height	64.0
Warranty		5 years

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: How to install the door closer: Connecting rod and the door to 90 degrees, then the host mounted on the door, two screws on the door, rocker in the door frame. ???? 2, the installation of door closers ???? A, closed door installation ???? The most commonly used door closers are exterior door closers, which are installed as follows: ???? The most common standard usage is that the door closers are mounted on the hinge side and the door opens. When installed, the arms of the door closers protrude outward and about 90 ° to the door frame. ???? In the second use, the door closer is mounted on the opposite side of the hinge side. Typically, an additional bracket provided with the door closer is mounted on an arm parallel to the door frame. This kind of usage is usually not required to install the door closer to the outside of the building outside the open door. ???? The door closer is installed on the opposite side of the hinge of the door. This use can also be used in outward doors, especially only on a very narrow edge, without enough space to accommodate the doors of the door closer.

Q: Is it hydraulic? Inside a lot of oil ah?: 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: Who knows what oil in the closer, trouble tell me about: One, generally 40 # low pour hydraulic oil. Second, the use of door closers requirements and choice Door closer products must meet the national standard GB9305-88, for the use of fire doors closed doors should also meet the GA93-1995 "door lock with fire doors test" requirements. 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. The door frequency is closely related with the product quality factors, the use of frequent occasions, the product should be required to seal the performance is better, long life.

Q: Just bought back, do not know why the rotation of the axis does not move ... no way to install: You first use a screwdriver to adjust the valve on the door above the valve to see if you can turn

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: 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: 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: What do you need to install a door closer?: Door frame installation: Door closers installed in the door frame, the seat installed on the door, and the door closer to the door. 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: Has adjusted the pressure behind the buttocks screws, in front of the adjustment screw and the card before and after the tune, Guiqiu how to get the door closet in the door when the big open does not automatically shut down, move the point angle will automatically 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

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