Fire door hardware plays a critical role in the overall performance of a fire-rated door assembly. While product selection and certification often receive significant attention, regular inspection and ongoing maintenance are equally essential to ensure that fire door hardware continues to function a
Lever Handle (Grade 3)
DIROCK Grade 3 lever handles are designed for standard commercial and public projects where high frequency use is expected. Manufactured from high-quality SS304 with satin stainless steel finish, they combine a modern aesthetic with proven durability. The core is brass. Designed for reliable, spring-loaded operation and full compatibility with EN-standard door hardware, these lever handles deliver consistent performance at an efficient project cost.
Core performance
• 200,000-cycle durability — Tested for long-term mechanical reliability, reducing maintenance needs in commercial environments.
• 800 N axial strength — Withstands 800 N of axial force without failure, preventing deformation and maintains secure attachment to the door under pressure or impact.
• 240-hour corrosion resistance— Passed salt spray test (EN 1670), ensuring lasting appearance and performance in demanding environments.
• Fire door integrity — Compatible with fire door assemblies rated for up to 120 minutes (steel doors) and 60 minutes (timber doors), supporting fire safety compliance.
