DOWELL INDUSTRY GROUP LIMITED
| Material | PC, ABS, SMC, PC+ABS or SPCC |
| Capacity | 48 Core |
| Ports | 4 |
| Waterproof | IP65 |
| Payment Terms | T/T,Western Union,Paypal |
| Supply Ability | 1000 PCS Per 7 Days |
| Delivery Time | 7-15 Days |
| Brand Name | DOWELL |
| Place of Origin | China |
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Product Specification
| Material | PC, ABS, SMC, PC+ABS or SPCC | Capacity | 48 Core |
| Ports | 4 | Waterproof | IP65 |
| Payment Terms | T/T,Western Union,Paypal | Supply Ability | 1000 PCS Per 7 Days |
| Delivery Time | 7-15 Days | Brand Name | DOWELL |
| Place of Origin | China | ||
| High Light | 48 cores fiber optic splice closure ，inline type fiber closure waterproof ，2 in 2 out fiber splice | ||
48 Cores Inline Type Fiber Optic Splice Closure 2 In 2 Out Waterproof
An inline fiber optic closure is a protective housing used to splice, branch, and store fiber optic cables along a run of a cable route. Unlike a dome or wall-mounted closure, it is designed to be installed in-line (directly on the cable) in aerial, underground, or buried applications, creating a sealed, durable, and re-enterable junction point.
Specification:
| Advantages | Disadvantages |
| Environmental Protection: Excellent seal against moisture/contaminants. | Installation Skill: Requires trained technicians for proper sealing. |
| Mechanical Protection: Shields splices from crush, impact, and strain. | Size: Can be bulky, especially for high fiber counts. |
| Flexibility: Re-enterable for network modifications. | Cost: Higher initial cost than simple mechanical sleeves (but justified for permanent installations). |
| Organization: Internal trays keep fibers managed and identifiable. | Aerial Wind Load: Adds a point of wind load on the aerial span. |
Types:
1.1 By Installation:
Aerial: Mounted on a support strand between poles. Lightweight, UV-resistant, with strong hanging brackets.
Underground/Buried: Installed in manholes, handholes, or directly buried. Have robust, corrosion-resistant shells and often a cylindrical "pill" shape to withstand backfill pressure and moisture.
Duct: Installed within a conduit or duct run.
1.2 By Cable Entry/Exit:
Throughput (Straight-Through): The most common. Cable enters one end and exits the other, maintaining the linear path. Used for point-to- point splicing.
Branching (Tap): One or more cables enter, and multiple smaller cables branch out. Used for network distribution or splitting.
Butt Splicing: Two cables come in from opposite ends and are spliced together internally.
Applications:
2.1 Long-Haul & Trunk Networks: Splicing together cables over long distances (e.g., between cities).
2.2 Fiber-to-the-Home (FTTH) Networks: Creating distribution points where a feeder cable is branched into multiple drop cables.
2.3 Network Repair & Restoration: Quickly restoring a severed cable by splicing in a new section.
2.4 Cable Segment Joining: Connecting manufacturing-length cable reels during initial deployment.
2.5 Transition Points: Changing cable types (e.g., from aerial to buried) or connecting armored to non-armored cable.
How to Select the Right Inline Closure:
3.1 Environment: Aerial, buried, underwater? Determines the IP (Ingress Protection) rating (e.g., IP68 for submersible) and material strength.
3.2 Cable Count & Fiber Count: Must accommodate the number of cables and total fiber strands (e.g., 2 cables x 144 fibers each).
3.3 Re-enterability: Do you need to add fibers or reconfigure later? Most are designed for multiple re-entries.
3.4 Sealing Method: Heat-shrink (very reliable but needs a torch), gel-seal (cleaner, tool-less), or mechanical compression.
3.5 Size & Port Configuration: Ensure it has enough ports of the correct diameter for your cables.
3.6 Standards Compliance: Should meet relevant industry standards (e.g., Telcordia GR-771, ICEA).
Company Details
Business Type:
Manufacturer
Year Established:
2016
Total Annual:
10000000-50000000
Employee Number:
101~120
Ecer Certification：
Verified Supplier
We have two subcompanies, one is SHENZHEN DOWELL INDUSTRIAL Which produce Fiber Optic Series and another is NINGBO DOWELL TECH which produce Drop Wire Clamps and Copper Telecom Series. Our products are related to whole cabling system, such as FTTH Cabling, Distribuction Box, LSA Modules and a... We have two subcompanies, one is SHENZHEN DOWELL INDUSTRIAL Which produce Fiber Optic Series and another is NINGBO DOWELL TECH which produce Drop Wire Clamps and Copper Telecom Series. Our products are related to whole cabling system, such as FTTH Cabling, Distribuction Box, LSA Modules and a...
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