Fasteners
Passive fire protection in industrial environments: focus on fire door hardware
Passive fire protection is a key aspect in industrial and metalworking applications, particularly in the design of technical doors and systems subject to fire safety regulations.
In this context, Panozzo Srl has expanded its technical content offering, with a focus on fire-rated door handles and their role within certified door assemblies.
Fire-rated door handles: configurations and technical features
Fire-rated door handles are not simple accessories but essential safety components. Their function is to ensure operability, mechanical integrity, and compliance under high-temperature conditions, contributing to the overall performance of fire-rated doors.
Handle systems are available in multiple configurations for industrial applications, including double handles, single handles, knob-handle combinations, and panic exit kits, with or without locking mechanisms.
From a construction standpoint, these components typically combine thermoplastic materials such as polypropylene or nylon with steel cores, ensuring both thermal resistance and mechanical strength.
According to technical datasheets, several models comply with European standards such as EN 1906 and DIN 18273, which define performance requirements for fire door hardware.
Materials and behavior under fire exposure
Material selection plays a central role in passive fire protection. Thermoplastics used in external parts must ensure controlled behavior under heat, while internal steel elements maintain structural integrity and load resistance.
This combination allows handles to retain functionality during evacuation scenarios, resist deformation at elevated temperatures, and ensure safe operation even after prolonged exposure to fire.
Components and system integration
A complete fire-rated door handle system includes not only the handle itself but also spindles (standard, split, or Seeger ring configurations) for torque transmission, along with plates, escutcheons, and mounting kits for proper assembly.
These components must be correctly sized and compatible, such as 9×9 mm spindles available in different lengths, to ensure reliable performance within certified fire door systems.
Application fields in industrial environments
Fire-rated door handles are widely used in industrial plants, production lines, technical rooms, electrical cabinets, fire compartmentalization systems, and emergency exits. In all these contexts, compliance with fire safety regulations and ease of operation in emergency conditions are essential design requirements.
Get in touch with the Panozzo team to receive further information.
