Door Closer

Definition

A mechanical device that automatically closes a door after it has been opened.

Purpose

Door closers ensure that doors close automatically and securely after being opened, providing safety, security, and energy efficiency by maintaining temperature control within buildings.

Examples of Use

1. Fire Doors: Installed on fire doors to ensure they close automatically, helping to contain fires and smoke.
2. Office Buildings: Used on entrance doors to maintain building security and climate control.
3. Public Restrooms: Ensure that restroom doors close fully for privacy and hygiene.

Related Terms

• Hydraulic Closer: A type of door closer that uses hydraulic fluid to control the door's closing speed.
• Pneumatic Closer: A door closer that uses air pressure to close the door.
• Spring Hinge: A hinge that incorporates a spring to close the door automatically.

Notes

• Door closers can be adjusted for different closing speeds and resistance levels.
• Proper installation and maintenance are necessary for optimal performance.