Anti-Drop Protection Industrial Sectional Overhead Door with Wire-Rope Anti-Break and Spring Anti-Broken Devices

An Anti-Drop Protection Industrial Sectional Overhead Door is engineered for safety-critical installations where a falling door could endanger people below. Multiple anti-drop protection devices ensure the door stays in place even if a lifting component fails.

Safety-critical overhead doors need more than a single safeguard. This door uses a wire-rope anti-break device to detect cable failure and a spring anti-broken device to hold the door if a torsion spring breaks. Together they deliver dependable anti-drop protection, so the door will not fall onto walkways, work zones, or equipment below.

• Wire-Rope Anti-Break Device: Detects a broken lifting cable and locks the door in position to prevent it from dropping.
• Spring Anti-Broken Device: Holds the door safely if a torsion spring fails, adding a second layer of anti-drop security.
• Anti-Fall Door Structure: Reinforced panels, hinges, and tracks work with the safety devices to keep the door stable and controlled.
• Balanced Reliable Operation: The counterbalanced system keeps normal automatic operation smooth while the safety devices remain on standby.

• Safety-critical overhead door installations
• Doors above walkways or work zones
• Facilities with personnel below overhead doors
• High-safety industrial buildings
• Sites where a door failure is unacceptable

A wire-rope anti-break device and a spring anti-broken device hold the door in place if a lifting component fails.

It prevents the door from falling onto people, walkways, or equipment located beneath the opening.

Panels are offered in SUS 304 stainless steel or color-coated steel plate, with 40mm, 50mm, or 80mm thickness options.

Yes. The door runs automatically as usual while the anti-drop devices stay on standby.