What is a door closer

A door closer is a mechanical device designed to automatically shut a door after it has been opened. It ensures that the door closes smoothly and securely, reducing the need for manual intervention to close the door each time. This device is commonly installed in commercial, industrial, and even some residential settings where security, energy efficiency, or accessibility regulations require doors to be kept closed at all times. Its capacity ranges from 25-45kg, 45-60kg, 60-80kg, up to 110kg.

 

Door closers can be adjusted to control the speed and force of the closing action, ensuring that the door closes at a safe and comfortable pace. This feature is particularly important in high-traffic areas or where individuals with disabilities might use the door, as it minimizes the risk of the door slamming shut suddenly.


In summary, a door closer is a valuable accessory that enhances the functionality, safety, and security of doors in various settings. Its ability to automatically close doors after use makes it a convenient and reliable solution for managing access and maintaining environmental control.

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How to adjust a door closer

To adjust a door closer, locate the adjustment knob or lever labeled for closing speed. There are separate adjustments for latching speed and closing speed. Turn it clockwise to speed up the closing process, making the door shut faster. Turn it anticlockwise to slow down the closing, allowing a gentler closure. Test the adjustment after each turn to fine-tune the speed to your preference. Remember, adjustments are gradual, so small increments are key. Always refer to the manufacturer's instructions for specific models or consult a professional if unsure.
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Adjust the Closing Speed




  1.Identify and locate the adjustment knob or screw labeled “Closing Speed.”

  2.Turn clockwise to increase the closing speed, making the door shut faster.

  3.Turn anticlockwise to decrease the closing speed, allowing for a gentler closure.
How to Adjust a Door Closer



Adjust the Latching Speed




  1.Locate the adjustment knob or screw labeled “Latching Speed.”

  2. Turn clockwise to increase the latching speed, ensuring the door latches quickly.

  3.Turn anticlockwise to decrease the latching speed for a softer latch.
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Test and Fine-Tune




  1.Test the door after each adjustment to ensure it meets your expectations.

  2.Make small incremental adjustments to avoid over-adjusting.

  3.Refer to instructions. If unsure, consult a professional.

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About Jianlai Hardware (HK) Co., Ltd

Jianlai Hardware (HK) Co., Ltd is a manufacturing and exporting enterprise since 1998. We are specializing in designing and producing floor spring, patch fitting, door handle, glass door lock, door closer, shower hinge, automatic sensor door, etc architectural hardware. Our company is provided with advanced production equipment and production line.

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