(double action door hinge)
Double action door hinges, also known as double action spring hinges, enable doors to swing bidirectionally while ensuring smooth return-to-center motion. These hinges are critical in high-traffic environments such as hospitals, commercial kitchens, and retail spaces. According to a 2023 industry report, the global market for swing door hinges grew by 12.4% annually, driven by demand for durable, space-saving hardware solutions.
Premium double action hinges feature cold-forged steel construction, corrosion-resistant coatings, and adjustable spring tension. Third-party testing reveals:
Advanced models incorporate nylon washers for silent operation and stainless steel pins for vandal resistance.
Brand | Material | Max Load | Warranty | Certifications |
---|---|---|---|---|
HingePro X9 | Zinc Alloy | 150kg | 10 years | ANSI/BHMA A156.26 |
Dynatec 8500 | Stainless Steel | 180kg | 15 years | ISO 9001:2015 |
AutoSwing V2 | Brass Composite | 135kg | 7 years | EN 1935:2002 |
Architects can specify:
A recent airport terminal project utilized 2,400 double action hinges across 120 security doors. Post-installation data showed:
Proper mounting requires:
Emerging smart hinges now integrate:
These advancements position double action hinges as critical components in automated building systems, with projected 22% CAGR growth through 2030.
(double action door hinge)
A: A double action door hinge allows doors to swing in both directions (inward and outward). It is commonly used in commercial spaces, restaurants, or hospitals for high-traffic areas.
A: A double action spring hinge incorporates a spring mechanism to automatically return the door to a closed position after opening. This ensures smooth operation and eliminates the need for additional door closers.
A: Double action hinges are designed for lightweight to medium-weight swing doors. They require proper alignment and are not suitable for heavy or fire-rated doors without certification.
A: Standard hinges allow doors to swing in one direction only, while double action hinges enable 180-degree bidirectional movement. The latter also often includes a spring mechanism for automatic closure.
A: Yes, periodic lubrication and inspection of the spring mechanism are recommended. Over time, springs may wear out and need replacement to maintain optimal performance.