Middle door closer

Types of Middle Door Closer

A middle door closer is a hydraulic door closer installed in the middle of the door. It is a popular choice for heavy doors. These door closers are powerful enough to close doors that are up to 1100mm wide. They automatically close the door after it has been opened. Middle door closers can be installed on the door frame and the door itself. The installation depends on where the owner wants to place it. Middle door closers are an important door accessory. It is widely used in commercial spaces like banks, hotels, and office buildings.

These middle door closers have different types and specifications. Each kind has its unique features and specifications.

• Middle hinge door closer:

  This door closer is installed in the middle of the door. It is mounted on the hinge side. It is an excellent choice for lightweight doors. The middle hinge door closer is easy to install. It requires minimal maintenance. This kind of door closer provides reliable and consistent closure. It does this because of its hydraulic mechanism. The middle hinge door closer is suitable for schools, hospitals, and residential buildings.

• Middle mounting door closer:

  This door closer is mounted on the top and bottom of the door. It is a good choice for internal doors. The middle mounting door closer is ideal for doors with limited space. It is also suitable for doors that have glass panels. This kind of door closer is aesthetically pleasing. It is durable and provides smooth and quiet operation.

• Concealed door closer:

  This door closer is installed in the middle of the door and frame. It is invisible when the door is closed. The concealed door closer is a popular choice for modern and minimalist designs. It offers enhanced security and durability. This kind of door closer requires professional installation. It is more expensive than other kinds of door closer.

• Surface-mounted door closer:

  This door closer is mounted on the surface of the door and frame. It is more visible and easier to install. The surface-mounted door closer is a popular choice for traditional and classic designs. It is more cost-effective and provides easy adjustability. This kind of door closer is visible and can affect the aesthetic design of the door.

Functions and features of middle door closer

Regardless of the type of middle door closer, they all have the same basic components, which include:

• Body: This is the main casing that houses all the internal components of the door closer. It is designed to be durable and withstand hydraulic pressure. The body is usually made of aluminum or steel.
• Pin: The pin is a rod that connects the hydraulic piston to the arm. As the hydraulic fluid moves through the piston, the pin transfers the motion to the arm. The pin plays a vital role in transferring hydraulic pressure.
• Arm: The arm is connected to the pin and helps to move the door closer. As the pin moves, the arm follows, bringing the door closer. The arm is usually made of durable material like steel.
• Cover: This is a casing that encloses the door closer. It protects the closer from debris and damage. The cover also helps to contain the hydraulic fluid, preventing it from leaking.
• Mounting plate: The mounting plate is a flat piece of metal that provides a surface for the door closer to be mounted securely. It is usually welded onto the door and has holes for screws.
• Spring: Middle door closers have a spring that helps to bring the door back to the closed position. The spring is usually made of high-tensile steel that can withstand repeated cycles of opening and closing.
• Hydraulic fluid: This is a special fluid that helps to control the speed and motion of the door closer. It is usually a thick oil that is resistant to temperature changes. Hydraulic fluid is contained in the body of the middle door closer.

The features of a middle door closer include:

• Size: Middle door closers come in different sizes to accommodate different door sizes and weights. Some are specifically designed for lightweight doors, while others are suitable for more massive doors.
• Adjustability: Most middle door closers are adjustable, allowing for customization of the closing speed and force. This is especially useful in environments where there are varying traffic levels or door usage.
• Durability: Middle door closers are made with high-quality materials to ensure durability and reliability. They are designed to withstand repeated use and extreme weather conditions.
• Easy installation: These door closers are designed for easy installation. They come with detailed instructions and all the necessary hardware to mount the closer on the door.
• Safety features: Most middle door closers come with safety features like delayed closing and adjustable latching. These features help to ensure the safety of people and property.

Scenarios of middle door closer

• Commercial Offices:

  Middle door closers are commonly used in commercial office spaces. They ensure that doors close automatically after being opened. This helps to maintain a quiet and professional atmosphere in the office.

• Hotels and Hospitality:

  Middle door closers are widely used in hotels and hospitality establishments. They ensure smooth and silent door closure in guest rooms, reception areas, and restaurant spaces. This creates a welcoming and comfortable environment for guests.

• Retail Stores:

  Middle door closers are commonly found in retail stores and shopping centers. They Ensure that entrance doors close securely after customers enter or exit. This helps to protect the store's merchandise and maintain energy efficiency by preventing drafts.

• Healthcare Facilities:

  Hospitals, clinics, and healthcare facilities rely on middle door closers for various reasons. They ensure automatic and smooth door closure in patient rooms, examination areas, and sterile environments. This helps to maintain a quiet and hygienic atmosphere in healthcare settings.

• Educational Institutions:

  Schools, colleges, and universities often use middle door closers in classrooms, libraries, and administrative areas. They Ensure that doors close securely to maintain privacy, minimize noise disruption, and ensure the safety of students and staff members.

• Residential Homes:

  Middle door closers can also be used in residential settings. They Ensure smooth and silent closure of exterior and interior doors. This helps to maintain a peaceful and secure environment within the home.

• Public Buildings:

  Middle door closers are commonly found in public buildings such as government offices, libraries, and community centers. They Ensure automatic and quiet door closure in high-traffic areas, creating a professional and welcoming atmosphere for visitors and staff members.

• Restaurants and Cafes:

  Middle door closers are widely used in restaurants and cafes. They Ensure smooth and silent closure of entrance doors and kitchen doors. This helps to maintain a pleasant dining experience for customers and a quiet atmosphere in the kitchen area.

• Industrial Facilities:

  Industrial facilities, warehouses, and manufacturing plants often use middle door closers. They Ensure secure closure of heavy-duty doors, preventing drafts, and ensuring the safety of personnel and equipment.

How to choose middle door closer

When choosing a hydraulic door closer for a middle installation position, consider the following aspects:

• Door Width and Height

  The door closer should be suitable for the door's width and height. Check the specifications of the door closer to ensure it is the right fit.

• Weight of the Door

  When choosing a middle door closer, check the weight it can support. Heavier doors will require a closer with a stronger holding capacity.

• Material and Finish

  Look for a closer made with strong material like steel or aluminum. Consider the finish for aesthetic purposes, opting for finishes that will match the door or the building decor.

• Adjustability

  Choose a middle door closer that is adjustable. This allows fine-tuning the closing speed and latching action to meet specific needs and requirements.

• Backcheck Feature

  The backcheck feature prevents the door from opening too far, which protects the door and walls from potential damage, especially in high-traffic areas. Consider choosing a closer with a backcheck feature.

• Hold Open Feature

  This feature allows the door to remain open at a desired angle without manual support. It is useful in areas where doors need to be frequently held open for ventilation or accessibility.

• Ease of Installation

  Choose a middle door closer that is easy to install. Consider those that come with detailed installation instructions and templates to guide the process.

• Warranty and Support

  A good warranty shows confidence in the product and provides peace of mind. Look for manufacturers who offer extensive support and warranty for their products.

• Safety Standards

  Ensure the chosen middle door closer meets local safety standards and regulations. This ensures optimal performance and safety.

middle door closer Q & A

Q1: Can a door closer be installed on any type of door?

A1: Yes, a door closer can be installed on most doors. But before installation, it is important to consult an expert to ensure the closer will work effectively with the door.

Q2: Are hydraulic door closers better than pneumatic ones?

A2: Yes, hydraulic door closers are usually preferred because they provide a smoother and quieter closing motion. Additionally, they are more durable and require less frequent maintenance.

Q3: Can a broken door closer be repaired?

A3: In most cases, it is more convenient to replace a broken door closer rather than attempting to repair it. This is because repairs may not guarantee a properly functioning closer, but a replacement will ensure. However, if the closer is hydraulic, it can be repaired by an expert.