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Durable PVC Fast Rolling Door Fittings for Enhanced Security

  • category:Malta Automatic Door Accessories
    Structure and Design Principles1. Structural Composition Aluminum alloy wind-resistant bars are typically constructed from...
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Structure and Design Principles

1. Structural Composition

  Aluminum alloy wind-resistant bars are typically constructed from high-strength aluminum alloy profiles. These bars are segmented and securely attached to the PVC curtain fabric, enabling modular replacement.

  Spring steel plates and side plastic components are integrated into both lateral edges of the curtain. These elements connect via self-aligning bearing bolts, ensuring the curtain remains tightly aligned within the guide rails.

  Certain designs feature externally mounted aluminum alloy profiles with snap-in structures to reinforce overall wind resistance.

2. Wind Resistance Mechanism

  Horizontally distributed wind-resistant bars evenly disperse wind pressure across the curtain surface, preventing localized stress concentrations that could destabilize the system.

  Engineered to withstand wind forces equivalent to levels 8-10, the bars and guide rails work synergistically under extreme conditions.

Aluminum alloy anti-wind bar for fast doors 4.png

Functionality and Advantages

1. Preventing Curtain Derailment

  The bars mechanically secure the curtain within the guide rails, eliminating displacement caused by wind pressure or physical impact.

  Select models incorporate self-resetting mechanisms to automatically restore curtain alignment after derailment, minimizing downtime.

2. Enhanced Durability

  Aluminum alloy construction provides oxidation and corrosion resistance, with operational stability maintained across temperatures from -30°C to 70°C.

  The segmented design allows cost-effective maintenance, requiring only localized replacement of damaged sections.



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