Havey Duty Door Closer in Cheap Price

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 500 Pieces pc

Supply Capability:: 100000 Pieces per Month pc/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

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: How closed the door closers: Adjust the tightening of the door closer is to adjust the closing speed, the strength of the fast when the speed is small, the door is close to the door close to the slow speed. 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. Adjustment method and precautions: (1) generally in the side of the door closer to the side of the adjustment valve is marked 1.2, speed 1 block is to adjust the door opening angle from 90 degrees to 20 degrees between the closing speed, speed 2 is to adjust the door opening angle from 20 Degrees to 0 degrees is the door completely closed the speed of the trip. (2) When adjusting the valve screw tightening (clockwise adjustment) is to slow down the speed, that is, the door closer to the door to adjust the power. (3) If the valve screw loose (counter-clockwise adjustment) is the speed becomes faster, that is, increase the closing door closing force. Adjust the amplitude must be controlled in a small range, and each adjustment are tested door fan strength is appropriate, if the amplitude is too large may screw off, resulting in door closers oil spill.

Q: Closer prices: This model, style, each manufacturer, brand has a different parameter.

Q: How to install the door closer: Closed door installation steps: ????Usually with the door closer to provide instructions for the installation of the model, so first read the instructions, according to the direction of the door, the size of the closing force and the door closer, the connection between the seat and the door hinge to determine the installation location. ????2) Depending on the closing force size, the closing force can be changed by reversing the connecting seat by 180 ° or by changing the connection position between the connecting rod and the connecting seat. Adjust the distance between the connecting rod and the hinge centerline of the door, the smaller the closing force of the door closer, the greater the strength. ????3) Determine the position of the mounting screw according to the position indication on the mounting plate, then drill and tapping. ????4) Install the door closer with screws. ????5) Install the fixed connector. ????6) Install the drive plate with screws. ????7) Adjust the adjustment lever to 90 ° to the door frame, and then connect the connecting rod to the drive plate. ????8) Do not forget to install a plastic cover, it can be used to catch the closed door leakage of hydraulic oil. ????9) After installation, check whether the fixing screws are fastened or loose or not. Open the door to the maximum door position, check whether the hinge arm of the door closer is rubbed or rubbed against the door or door frame. ????Close the door closing speed ????10) Adjust the closing speed of the door closer as needed. Usually the door closers have two speed control (throttle spool) screws. The upper adjustment screw is the first section of the closing speed adjustment screw, and the lower adjustment screw is the second speed (usually 10?) closing speed adjustment screw. ????C, the use of door closers and maintenance, repair ????The newly installed door closers should be used for one week to about 10 days, and all screws should be checked and re-tightened again.

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: How closed the door closer: The speed is too fast is too loose screws, need to adjust the clockwise, you can slowly debug.

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: 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: 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: 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?: Turn on the door shutters after turning on the auto stop function. 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.

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