As fiber optic networks expand across cities, rural areas, and industrial environments, the demand for reliable, durable, and weatherproof fiber optic splice closures continues to grow. Whether used in aerial installations, manholes, or underground cable pits, a dependable fiber closure plays a critical role in protecting fiber splicing points from harsh environmental conditions.
Gcabling, a leading China fiber optic splice closure supplier, provides a wide range of fiber splice closure products to meet the needs of modern broadband, FTTx, and backbone communication systems.
What Is a Fiber Optic Splice Closure?
A fiber optic splice closure is a protective enclosure used to house and safeguard spliced fiber optic cables. It keeps the splicing point secure from moisture, dust, and mechanical damage while maintaining optical performance and network integrity.
Gcabling’s fiber closures are engineered to meet international IP68 waterproof and dustproof standards, ensuring long-term reliability in harsh outdoor environments.
Key Features of Gcabling Fiber Splice Closure
Gcabling offers multiple models of dome fiber closure and horizontal-style closures to support a wide range of deployment scenarios.
1. Modular Internal Splice Trays
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Stackable trays for flexible fiber management
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Support for fusion and mechanical splices
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Clear routing paths reduce bend losses
2. IP67/IP68 Waterproof and Dustproof Protection
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Fully sealed closures tested under extreme conditions(at SGS laboratory)
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Excellent durability in flooding, freezing, and high-heat environments
- Robust plastic shell with UV resistance and high impact strength
3. Multi-entry Port Design
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Supports a variety of cable diameters and configurations
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Accommodates 1, 2, or 4 ports based on model type
4. Various Fiber Capacity
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Available in 12, 48, 96, and higher fiber counts
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Suitable for point-to-point or distributed FTTx networks
Types of Fiber Optic Splice Closures
Gcabling offers a variety of closures to meet different installation needs:
Dome Fiber Optic Splice Closure
Vertical (dome) structure supports up to 96 fibers
Ideal for aerial, duct, or direct burial applications
Easy-to-install sealing with heat-shrink tabe
Horizontal Fiber Optic Closures
Ideal for confined spaces such as manholes and cable trenches; easy to mount on walls or poles.
Supports multiple cable in/out configurations, suitable for branching and mid-span splicing.
Gcabling fiber optic splice closure series
| P/N | Description | Inport/Outport | Size | Max. Capacity | Max. Diameter of Port |
| 22246-029-1 | Vertical(heat-shrink) | 1 Oval + 6 Round | 500mm(h)×200mm(d) | 96Core | φ8-22mm |
| 22209-029-1 | Vertical(heat-shrink) | 1 Oval + 3 Round | 310mm(h)×190mm(d) | 48Core | φ25mm |
| 22238-029-1 | Vertical(heat-shrink) | 1 Oval + 3 Round | 330mm(h)×140mm(d) | 48Core | φ25mm |
| 22115-029-1 | Horizontal | 2-in/2-out | 281.6×151.6×70.5mm | 48Core | φ12mm |
| 22121-029-1 | Horizontal | 1-in/1-out | 189×95×22mm | 12Core | φ5-8mm |
A reliable fiber optic splice closure is essential for maintaining network integrity. Gcabling provides top-tier fiber optic closure solutions, including dome fiber optic splice closure options, ensuring optimal performance in any environment. As trusted China fiber optic splice closure suppliers, we deliver products that meet global standards.
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