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Inflatable Duct Seal System for Optical Fiber Cable Duct Sealing

The integrity of underground and overhead duct systems is paramount for protecting sensitive optical fiber cables. Even small leaks or breaches can allow water ingress, dust, and even rodents to enter the conduit, potentially disrupting service and causing costly repairs. Inflatable duct seal systems offer a reliable and efficient solution for sealing ducts around optical fiber cables, ensuring network reliability and longevity.

What is an Inflatable Duct Seal System?

An inflatable duct seal system utilizes inflatable bladders or packers inserted into ducts to create a secure and air-tight seal. These bladders are typically made from durable materials like polyurethane or rubber and inflate using compressed air.

Key Components:

  • Inflatable Bladders: The core component, available in various sizes to fit different duct diameters.
  • Air Inlet/Outlet Valve: Connects the bladders to an air compressor for inflation and deflation.
  • Control Panel (Optional): Provides a centralized system for managing inflation pressure and monitoring performance.

Benefits of Inflatable Duct Seal Systems:

  • Versatility: Accommodates a wide range of duct sizes and shapes.
  • Leak-proof Sealing: Creates a reliable barrier against water, dust, and other environmental elements.
  • Fast Deployment: Bladders can be inflated and deflated quickly, minimizing downtime during installation and maintenance.
  • Reusable: Inflatable bladders can be reused for multiple applications, reducing overall costs.
  • Cost-effective: Provides a long-term solution compared to traditional sealing methods like mortars or clays.
  • Penyelenggaraan mudah: Bladders can be visually inspected and replaced if necessary.

Applications of Inflatable Duct Seal Systems:

  • Sealing ducts around optical fiber cables in underground and overhead applications.
  • Blocking airflow within ducts for maintenance or testing purposes.
  • Preventing the spread of fire and smoke within duct systems.
  • Sealing ducts for environmental remediation projects.

Typical Specifications of Inflatable Duct Seal Systems

Product ModelDuct Outer Diameter(Ф mm)How to use(Suitable for 1 to 4 Cables)
Product DimensionsCable Diameter(Ф mm)
IDSS一4040120×12623~7.5
IDSS一5050120×18045.5~7.5
IDSS一6363120×23046.5~7.5
IDSS一7575120×28048.5~8
IDSS一9090120×33064~10.5
IDSS一110110120×40084.9~12.9
IDSS一125125120×450100~35
IDSS一160160140×560129~40
IDSS一180180140×650154~48
IDSS一200200140×700178~56
IDSS一250250160×900200~70
IDSS一300300180×1040240~95

Selection Considerations:

  • Duct Size: Choose a system with bladders that comfortably fit the target duct diameter.
  • Pressure Rating: Select a system with a pressure rating exceeding the anticipated air pressure within the duct.
  • Material Compatibility: Ensure the bladder material is compatible with the duct material and environmental conditions.
  • Kemudahan penggunaan: Consider systems with user-friendly inflation/deflation mechanisms and control panels (if applicable).

Best Practices for Installation:

  • Clean the duct: Remove dirt, debris, and sharp objects that could damage the bladder.
  • Proper bladder sizing: Use bladders that comfortably fill the duct without excessive pressure.
  • Controlled inflation: Gradually inflate the bladders to the recommended pressure using a calibrated pressure gauge.
  • Leak testing: Conduct a pressure test to ensure a proper seal.
  • Visual inspection: Regularly inspect the bladders for signs of wear or damage.

Kesimpulan

Inflatable duct seal systems provide a valuable solution for ensuring the integrity of ducts containing optical fiber cables. Their versatility, ease of use, and long-term cost-effectiveness make them a preferred choice for network operators and infrastructure maintenance professionals. By following proper selection and installation practices, you can ensure optimal performance and reliable protection for your fiber optic cable network.

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