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DDDC017
D and D Hardware
UL Listed / UL10C , Fire Rated 3 Hours, R40717
Aluminum Alloy
Silver
customizable
Wooden Door, Metal Door, Fire Rated Door etc.
T/T, L/C, D/P, Western Union
Jiangmen /Guangzhou / Shenzhen , China
200,000/Month
| Quantity: | |
|---|---|
An automatic door closer is a mechanical or hydraulic device designed to automatically close a door after it has been opened. It ensures doors shut securely and consistently, enhancing safety, energy efficiency, and convenience in various settings.
Typically installed on the top or side of a door frame, the closer uses a spring mechanism or hydraulic fluid to control the door’s movement. When the door opens, the mechanism compresses, storing energy. As the door is released, this energy is gradually released, guiding the door smoothly back to its closed position. Adjustable settings allow control over closing speed and force, accommodating different door sizes and weights.
UL door closers are essential in commercial buildings, public spaces, and fire-rated doors, as they help prevent the spread of fire and smoke by ensuring doors close promptly. They also reduce air drafts, lowering heating and cooling costs, and improve accessibility by eliminating the need for manual closing.
Modern variants may include features like back-check functionality (to prevent slamming) and delayed action (for high-traffic areas). Overall, automatic door closers blend functionality with safety, making them indispensable in modern architecture.
Product Overview
Product name | Simple Design UL Listed Best Hydraulic Automatic Fire Door Closer |
Product Model | DDDC017 |
| Certification | UL Listed, UL 10C, fire rated 3 hours UL File No. : R40717 |
Material | Aluminum Alloy |
| Finish | Silver |
| Power Size | EN4 |
| Width of Door Max | 1100mm |
| Weight of Door Max | 60kg-85kg |
| Max.opening Angle | 180 Degree |
Speed control | Two Adjustable Speed |
| Suitable for | Wooden door, Metal door, Fire Rated door, etc. |
Packaging & Shipping
MOQ | 200 PCS |
Package | 1 set / white box in Standard export carton |
Sample time | 5-7 working days |
Production lead time | 30-35 days |
Shipping Port | Jiangmen , China / Shenzhen , China . |
Contact us
An automatic door closer is a mechanical or hydraulic device designed to automatically close a door after it has been opened. It ensures doors shut securely and consistently, enhancing safety, energy efficiency, and convenience in various settings.
Typically installed on the top or side of a door frame, the closer uses a spring mechanism or hydraulic fluid to control the door’s movement. When the door opens, the mechanism compresses, storing energy. As the door is released, this energy is gradually released, guiding the door smoothly back to its closed position. Adjustable settings allow control over closing speed and force, accommodating different door sizes and weights.
UL door closers are essential in commercial buildings, public spaces, and fire-rated doors, as they help prevent the spread of fire and smoke by ensuring doors close promptly. They also reduce air drafts, lowering heating and cooling costs, and improve accessibility by eliminating the need for manual closing.
Modern variants may include features like back-check functionality (to prevent slamming) and delayed action (for high-traffic areas). Overall, automatic door closers blend functionality with safety, making them indispensable in modern architecture.
Product Overview
Product name | Simple Design UL Listed Best Hydraulic Automatic Fire Door Closer |
Product Model | DDDC017 |
| Certification | UL Listed, UL 10C, fire rated 3 hours UL File No. : R40717 |
Material | Aluminum Alloy |
| Finish | Silver |
| Power Size | EN4 |
| Width of Door Max | 1100mm |
| Weight of Door Max | 60kg-85kg |
| Max.opening Angle | 180 Degree |
Speed control | Two Adjustable Speed |
| Suitable for | Wooden door, Metal door, Fire Rated door, etc. |
Packaging & Shipping
MOQ | 200 PCS |
Package | 1 set / white box in Standard export carton |
Sample time | 5-7 working days |
Production lead time | 30-35 days |
Shipping Port | Jiangmen , China / Shenzhen , China . |
Contact us
