Your Professional Fiber Optic Splice Closure Supplier
Our goal is to become your true partner in the field of fiber optic splice closure in China. We are a high-tech enterprise integrating R&D, production, sales and service. We are dedicated to refining every stage, from product development and process improvement to production oversight, ensuring every product delivered meets rigorous quality and performance standards. The price is competitive and the product is quality-assured, which is a good choice for your long-term cooperation.
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Optical Distribution BoxOptical splice closures are used to distribute, splice, and store the outdoor optical cables which enter and exit from the ends of the closure. There are two connection ways: direct connection and...view more
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Joint Closure 48 CoreDescription It is used to splice cable with max. 12.5mm dia.and allow 16 pcs drop cable with fast connector exit. Adopt engineering plastic in scientific formula with excellent mechanical...view more
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Fiber Optic Cable ClosureDescription This product is used to connect the distribution cable and the incoming cable,fiber optic cable closure is widely applied in communication, network systems, CATV cable TV and so on. It...view more
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Fiber Optic 48 CoreDescription This product is used to connect the distribution cable and the incoming cable, is widely applied in communication, network systems, CATV cable TV and so on. It adopts scientifically...view more
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16 Core Fiber Optic Distribution BoxDescription This box is used as a termination point for the feedercable to connect with drop cable in FTTX communicationnetwork system. 16 core fiber optic distribution box intergtates fiber...view more
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96 Core Fiber Optic Cable ClosureDescription 96 core fiber optic cable closure serves the purpose of distributing, splicing, and housing outdoor optical cables. These cables enter and exit from the ends of the closure. This...view more
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Closure 96 CoreDescription closure 96 core the purpose of distributing, splicing, and storing outdoor optical cables that enter and exit the closure through its endpoints. closure 96 core Fiber Optic Cable two...view more
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48 Core Fiber Optic CableA 48 core fiber optic cable is employed for the distribution, splicing, and storage of outdoor optical cables that enter and exit through the closure's endpoints. There are two primary methods of...view more
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48 Core Fiber Optic Cable ClosureDescription 48 Core Fiber Optic Cable Closure are used to distribute, splice, and store theoutdoor optical cables which enter and exit from the ends of theclosure.48 Core Fiber Optic Cable Closure...view more
Why Choose Us
Our certification
Gedi has ISO9001 international quality system certification, ISO14001 environmental management system certification and ISO9001 quality certification system certificates.
Product market
Our company's products are very popular in the market, and the products are sold to the American, European and Asian markets.
Quality control
The whole factory implements the daily 5S management standard. At the same time, in the process, the incoming material process strictly abides by the quality inspection engineering and supply chain management of IQC, IPQC, QC, CFQC, QA and other links.
Our service
The company has a professional sales team to provide you with high-quality pre-sales consulting services. During the order production process, customers can communicate with us at any time to understand the production progress. At the same time, we provide high-quality after-sales service to meet the different needs of customers.
Protection against environmental factors: Fiber optic splice closures provide exceptional protection against environmental threats. Their sealed design prevents moisture and dust from infiltrating the enclosure, which could otherwise compromise the delicate fiber connections.
Durability in harsh outdoor conditions: The durability of fiber optic splice closures makes them indispensable for outdoor applications. Constructed with high-quality materials, such as impact-resistant plastics and anti-corrosive metals, these closures withstand physical stress and harsh weather.
Prevention of signal loss at splice points: Signal loss at splice points can disrupt data transmission and degrade network performance. Fiber optic splice closures address this issue by creating a controlled environment for splicing operations.


Enhanced data transmission quality: By safeguarding the splicing process, fiber optic splice closures contribute to superior data transmission quality. They prevent external factors, such as vibrations or temperature changes, from affecting the fiber connections.
Minimizing network interruptions: Network interruptions can lead to significant downtime and lost productivity. Fiber optic splice closures help minimize these disruptions by providing a secure and organized environment for fiber splicing.
Lowering repair and replacement expenses: Investing in high-quality fiber optic splice closures reduces long-term maintenance costs. Their durability and protective features extend the lifespan of fiber optic networks, decreasing the need for frequent repairs or replacements.
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Dimensions and Capability |
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Dimensions (D*H) |
420mm*205mm |
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Max Capacity |
144 Cores |
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Number of Cable Entrance/Exit |
1:4 |
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Diameter of Cable |
4 small round ports(21mm) and 1 large oval port(58mm) |
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Operation Conditions |
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Temperature |
-40℃~+60℃ |
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Humidity |
≤95% (at 40℃) |
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Air Pressure |
70kPa ~106kPa |
Types of Fiber Optic Splice Closure
Horizontal type fiber optic closure
Horizontal type fiber closure is like a flat or cylindrical case. This type of fiber splice closure is the most commonly used one in mounted aerials or buried underground. Horizontal type fiber optic closure usually contains one or more fiber splice trays to provide space and protection for fiber optic splices. Fiber splice trays used in different fiber optic splice closures May have different designs and fiber counts. The common fiber counts of flat fiber splice closure are 12 and 24 fibers.
Vertical type fiber optic closure
Vertical fiber optic closure looks like a dome, thus it is also called dome fiber optic splice closure or fiber dome closure. The dome shape makes it easy to be buried in many applications, though it also can be used above-ground as well.

Component of Fiber Optic Splice Closure
Casing
Cases generally use high-strength materials like polypropylene or stainless steel to protect against environmental hazards, physical stress, and chemical exposure.
The seal
The presence of a strong sealant in the closure helps prevent water and air from entering it. In most cases, this is done by using rubber or silicone gaskets as well as heat-shrinkable sleeves that make a watertight seal capable of maintaining its integrity at temperatures ranging from -40°f to 158°f (-40°c to 70°c).
Splice trays
Splice trays form the basis for managing and organizing fiber splices. They provide an organized area where fiber splicing points can be anchored and protected, facilitating easy maintenance.
Cable entry ports
Fiber optic splice closures have multiple entry ports to support varying cable sizes and configurations. The said ports hold cables in place with the help of mechanical seals or compression fittings.
Strength member attachment system
A strength-member attachment system enhances the mechanical stability of a closure. This system strongly holds the central strength members of the optical cables, thus safeguarding the fibers from any disruption caused by tension, bending, and other external forces.
Grounding and bonding hardware
There are grounding and bonding elements integrated into many closures to provide electrical continuity while also offering surge protection in aerial installations.
Fiber slack storage
Enclosures frequently contain fiber slack storage areas to prevent too much bending or damage. Proper fiber management, including a minimum bend radius (30 mm on average), is key for excellent signal transmission levels.
Production Process of Fiber Optic Splice Closure
The production of a fiber optic splice closure involves designing for environmental resilience, selecting durable materials, molding the casing, assembling internal components like splice trays, ensuring cable management, sealing for waterproofing, adding security features, conducting quality checks, and finally packaging for distribution.
Application of Fiber Optic Splice Closure
Fiber optic closures are typically used in outdoor or underground installations where the fiber optic cables are exposed to harsh environmental conditions such as moisture, dust, temperature variations, and physical stress. These closures are made from durable and weather-resistant materials, such as high-strength plastics or metals, to provide robust protection.
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Packing |
Wooden box |
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Shipping |
Shipped by road, sea, rail |
FAQ
We're professional fiber optic splice closure manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to wholesale fiber optic splice closure for sale here from our factory.
