Al Dahiyah Group Dome Closure – Durable Fiber-Optic Splice Protection

Aldahiyah Group leads in industrial automation and fiber communication across Saudi Arabia, the Gulf region, and Sudan. Among our robust solutions, the Dome Closure stands out as an essential fiber splice protection unit, meticulously designed to meet the needs of all segments of the telecommunications and power industries.

The Dome Closure secures fiber-optic splices underground. It offers waterproof and dustproof protection (IP68), ensuring spliced cables remain reliable in harsh conditions such as direct burial, ducts, aerial installations, and manholes. Built from high-quality thermoplastics, it resists environmental stress and protects valuable fiber infrastructure .

Key Features of Our Dome Closure

• Re-enterable design with clamp and O-ring sealing allows easy access for maintenance

• Multiple cable ports: five entry and exit ports compatible with diameters between 5 mm and 36 mm, supporting both straight-through and branching installations

• Heat-shrinkable seals ensure airtight protection after splicing

• Built-in splice trays hold up to six trays storing up to 144 fibers (24 fibers/tray), offering efficient cable management

• RoHS compliant and mechanically sealed, this unit suits pole, underground, duct, or direct burial setups

Benefits You’ll Appreciate

• Reliable protection: This Dome Closure withstands dust, water, UV rays, corrosion, and physical impacts for reliable long-term protection.

• Effortless installation: Heat-shrink seals and clamp design simplify assembly without special tools

• Reusability: Open and reseal the closure without compromising the seal

• Versatile deployment: Appropriate for aerial, manhole, duct, or buried installations

Why Choose This Dome Closure?

1. Superior durability: Made from reinforced plastics that resist environmental degradation

2. Easy maintenance: O-ring seal with clamp allows quick re-entry without seal damage

3. High capacity: Holds up to 144 splice fibers with modular tray system

4. Flexible seal options: Choose heat-shrink or mechanical seal ideal for varying conditions

5. Global-grade protection: IP68 certification ensures superior waterproofing and dust resistance

Technical Specifications

• Dimensions: The Dome Closure measures 180 mm in diameter and 540 mm in height

• Cable ports: 5 ports, supporting 5–36 mm diameter cables

• Max capacity: 144 fibers (6 trays of 24 fibers each)

• Suitable for multiple cable types and installation scenarios

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