What Every Purchase Manager Should Know About Electromechanical Door Closers and Mechanical Door Closers
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Contents
- 1.Introduction
- 2.Types of Door closers
- a.Electromechanical Door closers
- - Advantages
- - Disadvantages
- - Examples from Different Brands
- b.Mechanical Door Closers
- - Advantages
- - Disadvantages
- - Examples from Different Brands
- - Differences between Electromechanical and Mechanical Door closers (Table)
- 3.Factors to Consider when Choosing a Door Closure
- - Door Type
- - Door Weight
- - Door Width
- - Door Use
- - Fire Rating
- - Building Codes and Regulations
- 4.Key Points to Remember (Table)
- 5.Conclusion
- 6.Dos and Don'ts
- 7.Common Mistakes
- 8.FAQ
- 9.International Regulations and Standards
As a purchase manager, you may be tasked with procuring door closers for your organization. Door closers serve as an essential component of building security and safety, and they come in various types, including electromechanical and mechanical door closers. In this comprehensive guide, we will explore the different types of door closers, their advantages and disadvantages, and important factors to consider when purchasing door closers for your organization.
Types of Door Closers
Electromechanical Door Closers
Electromechanical door closers utilize electric power to operate the door. These closers are ideal for areas that require heavy traffic flow, such as airports, hospitals, and commercial buildings. Electromechanical door closers come in various designs, including concealed, surface-mounted, and overhead door closers.
Advantages
- Electromechanical door closers are easy to install and maintain.
- They offer consistent closing force, which ensures that the door always closes securely.
- Electromechanical door closers can be programmed for various applications, such as delayed closing or hold-open functions.
- They are compatible with various access control systems, making them ideal for areas that require high security.
Disadvantages
- Electromechanical door closers require a power source, which can be expensive to install in older buildings.
- They may require regular maintenance to ensure optimal performance.
- They can be noisy, which can be a problem in areas that require quietness.
Examples from Different Brands
Dorma ITS 96
This concealed door closer is ideal for aluminum, wood, and steel doors. It offers adjustable closing and latching speed and is compatible with various access control systems.
Norton 5700
This surface-mounted door closer is suitable for doors weighing up to 250 pounds. It offers adjustable closing and latching speed and is ADA-compliant.
LCN 4041
This overhead door closer is suitable for heavy-duty applications, such as hospitals and schools. It offers adjustable closing force and is UL and cUL listed.
Mechanical Door Closers
Mechanical door closers, also known as hydraulic door closers, utilize hydraulic power to operate the door. These closers are ideal for areas that require low to medium traffic flow, such as residential buildings and small commercial buildings. Mechanical door closers come in various designs, including surface-mounted and overhead door closers.
Advantages
- Mechanical door closers are cost-effective, making them ideal for budget-conscious organizations.
- They require minimal maintenance, which reduces long-term costs.
- They are compatible with various door types, making them ideal for retrofit applications.
- Mechanical door closers can be adjusted to meet various building codes and regulations.
Disadvantages
- Mechanical door closers offer inconsistent closing force, which can result in slamming or incomplete closure.
- They may leak hydraulic fluid, which can be hazardous in areas that require cleanliness.
- They may require manual adjustment
Examples from Different Brands
- LCN 4040XP: This surface-mounted door closer is suitable for doors weighing up to 187 pounds. It offers adjustable closing and latching speed and is ADA-compliant.
- Yale 2701: This overhead door closer is suitable for doors weighing up to 300 pounds. It offers adjustable closing force and is UL and cUL listed.
- Kawneer 8800: This surface-mounted door closer is suitable for aluminum storefront doors. It offers adjustable closing and latching speed and is compatible with various door types.
Differences between Electromechanical and Mechanical Door Closers
| Feature | Electromechanical | Mechanical |
|---|---|---|
| Power Source | Electric | Hydraulic |
| Suitable Applications | High traffic flow areas | Low to medium traffic flow areas |
| Maintenance | Regular | Minimal |
| Consistent Closing Force | Yes | No |
| Adjustable Closing and Latching Speed | Yes | Yes |
| Cost | Expensive | Cost-effective |
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What Are The Factors to Consider when Choosing a Door Closer?
When choosing a door closure, several factors should be considered to ensure optimal performance and longevity. These factors include:
Door Type
Different door types require different door closers. For instance, aluminum storefront doors require surface-mounted door closers, while wood doors require overhead door closers.
Door Weight
The weight of the door is an important consideration when selecting a door closure. Heavy doors require door closers that can handle their weight without compromising their functionality.
Door Width
The width of the door determines the length of the arm required for the door closer. It is essential to select a door closer that matches the door width to ensure optimal performance.
Door Use
The frequency and nature of door use should be considered when selecting a door closer. For instance, high-traffic areas require door closers that can handle frequent use without compromising their functionality.
Fire Rating
Fire-rated doors require door closers that meet fire rating standards. It is essential to select a door closer that meets the specific fire rating requirements of the door.
Building Codes and Regulations
Different building codes and regulations require specific door closers. It is essential to ensure that the selected door closer meets the specific codes and regulations in your area.
Key Points to Remember
| Key Points |
|---|
| Different types of door closers include electromechanical and mechanical door closers. |
| Electromechanical door closers are ideal for high traffic flow areas, while mechanical door closers are suitable for low to medium traffic flow areas. |
| Factors to consider when choosing a door closure include door type, door weight, door width, door use, fire rating, and building codes and regulations. |
Dos and Don'ts Of Buying A Closer
- Do consider the specific needs of your organization when selecting a door closure.
- Do select a door closer that meets the fire rating and building code requirements in your area.
- Do choose a door closer that matches the door type, weight, width, and frequency of use.
- Don't overlook the importance of regular maintenance for door closers.
- Don't select a door closer based solely on cost, as this can result in long-term expenses.
Common Mistakes
- Overlooking the importance of fire rating and building code requirements.
- Choosing a door closer that does not match the specific needs of your organization.
- Selecting a door closer based solely on cost.
- Neglecting regular maintenance for door closers.
International Regulations and Standards
Different international regulations and standards govern the design, testing, and installation of door closers. Some of these regulations and standards include:
- ANSI/BHMA: This American standard provides testing procedures and performance requirements for door closers.
- EN 1154: This European standard provides performance requirements and testing procedures for door closers.
- UL and cUL: These North American standards provide safety and performance testing for door closers.
It is essential to ensure that the selected door closer meets the specific international regulations and standards in your area to ensure optimal performance and safety.
Conclusion
Choosing the right door closure for your organization is essential for optimal security and safety. By considering the factors discussed in this guide, you can select a door closer that meets the specific needs of your organization.
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Frequently Asked Questions
What is the difference between electromechanical and mechanical door closers
Electromechanical door closers utilize electric power to operate the door, while mechanical door closers use hydraulic power.
Electromechanical door closers are suitable for high traffic flow areas, while mechanical door closers are suitable for low to medium traffic flow areas.
Electromechanical door closers offer consistent closing force and can be programmed for various applications, while mechanical door closers offer cost-effectiveness and minimal maintenance requirements.
Electromechanical door closers are suitable for high traffic flow areas, while mechanical door closers are suitable for low to medium traffic flow areas.
Electromechanical door closers offer consistent closing force and can be programmed for various applications, while mechanical door closers offer cost-effectiveness and minimal maintenance requirements.
How do I select the right door closer for my organization?
Consider the specific needs of your organization, such as door type, weight, width, and frequency of use, fire rating, and building codes and regulations. Select a door closer that meets these specific needs to ensure optimal performance and longevity.