The Overhead Door Closer NSK-680E STD with Scissor Arm is a reliable and versatile solution designed for smooth, controlled door operation in residential and commercial environments. Engineered with a precision rack and pinion mechanism, it ensures consistent performance, easy opening action, and long-term durability.
 
This model features an adjustable closing force (EN 2–4), making it suitable for a wide range of door sizes and weights. It is equipped with independently adjustable closing and latching speeds, allowing precise control over door movement. The sturdy scissor arm mechanism enhances durability and ensures efficient performance even with frequent use.
 
Constructed from high-quality aluminum alloy with built-in protection against external force impact, this door closer is designed to safeguard the door, frame, and hardware. The integrated back check function improves safety by controlling the opening speed and preventing damage caused by sudden door movement.
 
Tested for 500,000 cycles and compliant with EN 1154 standards, the NSK-680E STD guarantees reliable, long-lasting operation. Its sleek silver finish complements modern interiors, making it both functional and aesthetically appealing.
 
Key Features:
 
Overhead door closer with standard scissor arm
Adjustable closing force EN 2–4 for flexible applications
Durable rack and pinion mechanism for smooth operation
Adjustable closing and latching speeds (dual control valves)
Sturdy scissor arm for enhanced strength and performance
Back check function to prevent sudden door impact
Non-handed design for left and right door installations
High-quality aluminum alloy body construction
Tested for 500,000 cycles for long-lasting durability
EN 1154 certified performance
Supports doors up to 80 kg
Suitable for door widths up to 1250 mm
Minimum door thickness: 42 mm
Modern silver finish
1-year manufacturer warranty
 
Applications
 
Ideal for residential homes, offices, retail spaces, and commercial buildings where controlled door closing, durability, and safety are required. Suitable for installation on door leaf or transom, ensuring flexible mounting options.