The Ultimate Guide to Hold Open Door Closers
Hold open door closers are essential devices used in various commercial and institutional settings, ensuring doors can remain open when needed, while still providing the security and safety of closure in emergencies. This guide will delve into the mechanics, types, applications, and technical features of hold open door closers, offering a comprehensive resource that stands out from the competition.
Comparison of Different Types and Applications of Hold Open Door Closers
| Type of Door Closer | Application | Key Features | Recommended Brands |
|---|---|---|---|
| Hydraulic Door Closers | Commercial buildings | Adjustable closing speed, hold open functionality | LCN, Norton, Trudoor |
| Electro-Magnetic Closers | Fire protection doors | Automatically closes during fire alarms | dormakaba, GEZE |
| Surface Mount Closers | High-traffic areas | Durable, often ANSI/BHMA Grade 1 certified | Trudoor, SARGENT |
| Concealed Door Closers | Aesthetic settings | Hidden installation, maintains aesthetics | GEZE, LCN |
| Heavy-Duty Door Closers | Industrial applications | High durability, withstands heavy usage | Norton, LCN |
| Adjustable Spring Closers | Various commercial settings | Spring force adjustment for optimal performance | Trudoor, dormakaba |
Understanding Hold Open Door Closers
Hold open door closers are designed to keep doors open at predetermined angles, allowing for ease of access while ensuring that the doors can close securely when required. They are vital in environments where frequent traffic occurs, such as hospitals, schools, and office buildings.
How Hold Open Mechanisms Work
Hold open door closers typically use a friction-based mechanism or electro-magnetic systems to maintain the door in an open position. The friction type allows users to set multiple hold open positions, while electro-magnetic systems are often integrated with fire alarm systems to ensure automatic closure during emergencies.
Importance of Hold Open Door Closers in Safety
In commercial settings, maintaining fire safety is paramount. Hold open door closers can be critical in ensuring that fire protection doors remain closed in case of emergencies. Systems like those offered by GEZE provide solutions that combine accessibility with rigorous safety standards.
Types of Hold Open Door Closers
Hydraulic Door Closers
Hydraulic door closers are widely used due to their reliability and ease of adjustment. They utilize hydraulic fluid to control the door’s movement, offering a smooth and quiet operation. Models like the LCN 4040XP and Norton 8501H are excellent examples of hydraulic closers designed for high-traffic areas.
Electro-Magnetic Door Closers
Electro-magnetic closers, such as the dormakaba TS 73 EMF, are crucial for fire-rated doors. These systems can hold doors open under normal conditions but will automatically close them upon receiving a fire alarm signal, ensuring compliance with fire safety regulations.
Surface Mount Door Closers
Surface mount door closers are installed on the surface of the door and frame, making them ideal for heavy-duty applications where durability is essential. Products like the Trudoor TDC-300-H are designed to withstand significant wear and tear, making them suitable for commercial applications.
Concealed Door Closers
Concealed door closers are installed within the door or frame, providing a clean aesthetic. They are often used in settings where design is a priority but still require the functionality of hold open features. Brands like GEZE offer various options for concealed installations.
Heavy-Duty Door Closers
Heavy-duty door closers are built for high-traffic and industrial environments. They offer robust construction and performance, capable of withstanding repeated use. The Norton 8000 Series is renowned for its reliability in demanding applications.
Adjustable Spring Door Closers
Adjustable spring door closers allow users to customize the force required to close the door, ensuring a perfect balance between user convenience and safety. These are particularly useful in settings where door usage varies throughout the day.
Applications of Hold Open Door Closers
Hold open door closers are versatile and can be applied in various settings:
Commercial Buildings
In commercial buildings, hold open door closers facilitate smooth traffic flow, especially in high-traffic areas like lobbies and hallways. They help maintain accessibility while ensuring safety during emergencies.
Hospitals and Healthcare Facilities
Hospitals require doors that can be held open for easy access but need to close in the event of a fire. Electro-magnetic closers are often utilized in these settings to comply with safety regulations while enhancing accessibility.
Educational Institutions
In schools and universities, hold open door closers can improve the flow of students and staff. They can be installed in classrooms, cafeterias, and common areas to minimize disruption and enhance user experience.
Industrial and Manufacturing Spaces
Heavy-duty hold open door closers are essential in industrial environments, where doors are subject to heavy use and need to withstand tough conditions. These closers ensure safety while allowing easy access for employees.
Hospitality and Retail
In hospitality and retail environments, hold open door closers can enhance customer experience by allowing easy entry and exit. They can be integrated into the design to maintain aesthetics while providing functionality.
Technical Features of Hold Open Door Closers
| Brand/Model | Type | Max Door Width | Max Door Weight | Adjustment Options | Warranty |
|---|---|---|---|---|---|
| LCN 4040XP | Hydraulic | 48 inches | 250 lbs | Spring force and speed | 30 years |
| dormakaba TS 73 EMF | Electro-Magnetic | 48 inches | 200 lbs | Automatic closure settings | 5 years |
| Trudoor TDC-300-H | Surface Mount Hydraulic | 36 inches | 150 lbs | Multi-hold open positions | 3 years |
| Norton 8501H | Heavy-Duty Hydraulic | 48 inches | 250 lbs | Adjustable speed and force | 5 years |
| GEZE Concealed Closers | Concealed | 40 inches | 150 lbs | Customizable settings | 5 years |
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Conclusion
Hold open door closers are invaluable in various commercial and institutional settings, providing ease of access while ensuring compliance with safety regulations. From hydraulic systems to concealed installations, the diverse options available cater to specific needs and applications. Brands like LCN, Norton, dormakaba, and GEZE offer robust solutions that enhance both functionality and aesthetics in any environment.
FAQ
What is a hold open door closer?
A hold open door closer is a device that allows a door to remain open at a designated angle while ensuring it can close securely when needed. These devices are crucial for accessibility and safety in commercial and institutional settings.
How do electro-magnetic door closers work?
Electro-magnetic door closers utilize an electric current to hold doors open. They automatically close the door upon receiving a fire alarm signal, ensuring compliance with safety standards.
What are the benefits of hydraulic door closers?
Hydraulic door closers offer smooth and controlled door movement. They are adjustable for speed and force, making them suitable for high-traffic areas and ensuring durability.
Where are hold open door closers commonly used?
Hold open door closers are commonly used in commercial buildings, hospitals, schools, industrial spaces, and hospitality environments, enhancing accessibility while prioritizing safety.
What factors should I consider when choosing a door closer?
Consider the door’s weight, width, frequency of use, and required safety regulations. Selecting a closer with the appropriate features for your specific application is crucial.
Can hold open door closers be adjusted?
Yes, many hold open door closers offer adjustment options for speed, force, and hold open positions, allowing customization based on specific needs.
Are there maintenance requirements for hold open door closers?
Yes, regular maintenance is recommended to ensure optimal performance and longevity. This may include checking adjustment settings and inspecting for wear and tear.
What is the difference between surface mount and concealed door closers?
Surface mount door closers are installed on the exterior of the door and frame, while concealed door closers are installed within the door or frame, providing a cleaner aesthetic.
How do I determine the right size of door closer for my door?
Choosing the right size involves considering the door’s weight and width, as well as the frequency of use. Manufacturer specifications often provide guidance on suitable sizes for different applications.
What brands are known for high-quality hold open door closers?
Brands such as LCN, Norton, dormakaba, Trudoor, and GEZE are well-known for producing high-quality hold open door closers suitable for various applications.