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Concealed Door Closer 30-80KG

A door closer is defined as any mechanical device that closes a door in a controlled manner, preventing it from slamming, in general after someone opens it, or after it was automatically opened.

> Door Weight: 30~80kg

  • Brand:

    S4A
  • Item NO.:

    080-R
  • Specifications
  • Wiring Diagram
  • Package
  • Download

Concealed Door Closer 30-80KG

Model No.: 080-R


What is a concealed door closer?


Concealed fire door closers provide the functionality of an overhead door closer but are fitted within the door leaf and frame. This type of installation is aesthetically pleasing and helps to reduce vandalism, as most of the door closer is hidden from sight.


A door closer is defined as any mechanical device that closes a door in a controlled manner, preventing it from slamming, in general after someone opens it, or after it was automatically opened. The most common examples can usually be found in schools, convenience stores, and a multitude of other smaller businesses and public buildings.


Material

Cast aluminum

Adjustment interval

2 stages

Door Weight

30~80kg

Proper temperature

-30℃~60℃


Concealed door closerConcealed door closerConcealed door closerConcealed door closerConcealed door closer

Concealed door closer

Concealed Door Closer 30-80KG

Model No.

Quantity/Carton

Net Weight

Gross Weight

Carton Size

080-R

10 PC

15.6 KG

21.65 KG

49x24x24 CM

 

Concealed door closer

S4A Datesheet_Concealed Door Closer 30-80KG

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280KG/600Lbs ZLC bracket  A ZLC bracket is a specialized mounting component primarily used in access control systems, particularly for installing electromagnetic locks (maglocks) on inward-swinging doors. The "ZLC" designation often refers to a specific design variant optimized for narrow doorframes or space-constrained environments. These brackets are typically constructed from anodized aluminum for corrosion resistance and structural stability, with dimensions tailored to fit S4A factory's EL-600S, EL-600SD ,EL-600ST ,EL-600S,Z 280 kg (600LBS ) or higher capacity maglocks Key Features: Dual-Part Design: Comprises two interlocking sections (often referred to as "Z" and "L" shaped) that securely fasten the lock body and armature plate while ensuring the magnet remains on the protected side of the door. Space Efficiency: Ideal for narrow doors or metal/wooden doorframes where standard brackets may protrude excessively. Load Bearing: Engineered to handle high-security maglocks, with models supporting up to 600 lbs of holding force. Installation Flexibility: Some variants include wire management channels to conceal cables, enhancing aesthetics and safety When to Install a ZLC Bracket: Inward-Swinging Doors: The ZLC design addresses the challenge of mounting maglocks on doors that open toward the interior, where traditional brackets might interfere with door operation. Narrow Doorframes: Its compact profile makes it suitable for doors with limited space, such as those in historic buildings or modern minimalist designs. High-Security Needs: Used in commercial or industrial settings requiring robust locking systems, like data centers, banks, or healthcare facilities Outdoor/Gate Applications: Heavy-duty ZLC brackets (e.g., EL-600 series ) are designed for exterior use, combining weather resistance with high load capacity. Concealed Wiring Requirements: Models like the LC bracket (related to ZLC) integrate cable management, which is critical for maintaining a clean, code-compliant installation  Example Scenarios: Office Buildings: Securing fire exits or server room doors with inward swing using 600 lbs maglocks paired with ZLC brackets. Retail Stores: Installing access control on narrow fitting room doors where space is limited. Residential High-Rises: Enhancing security on balcony doors that open inward without compromising aesthetics Technical Considerations: Compatibility: Always verify the bracket’s compatibility with the specific maglock model (e.g., S4A factory's EL-600S, EL-600SD, EL-600ST, EL-600SZ, 280KG works only with 600 lbs locks)  Material Selection: Anodized aluminum variants are preferred for outdoor use, while stainless steel may be required in corrosive environments. Installation: Proper alignment is crucial to prevent misalignment issues, which can reduce lock efficiency. Manufacturer guidelines (e.g., Visionis’ installation diagrams) should be strictly . In summary, the ZLC bracket is a niche solution addressing the unique challenges of securing inward-swinging doors in space-constrained or high-security environments. Its design balances functionality, durability, and aesthetics, making it a preferred choice for professionals in access control systems.

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