Heat Shrinkable Joint Closure 48 Cores Model: SJ-D-4
The role of a Heat Shrinkable joint closure is mainly for housing fiber optical fiber splices as well as cables. It ensures that they are always in a secure state. To suit various types of cable constructions and applications, joint closures are unique. Their design and compact structure gives them structural integrity. They can thus accommodate both ribbon and non-ribbon types of splices and fibers.
- Model: SJ-D-4
- Capacity:48 Cores （4X 12F Trays）
- Cable Ports: 1 In 3 Out, 4 Ports
- Diameter of fiber cable:Φ8mm～Φ20 mm
- Dimension: 28.8×17.8CM (H*D)
- Sealing Structure: Heat Shrinkable Sealing
Something about the SJ-D-4 splice closure you need to know
The role of a heat shrinkable joint closure is mainly for housing fiber optical fiber splices as well as cables. It ensures that they are always in a secure state. To suit various types of cable constructions and applications, joint closures are unique. Their design and compact structure gives them structural integrity. They can thus accommodate both ribbon and non-ribbon types of splices and fibers.
You can use a joint closure for branch and track applications. The structure is such that joint a closure has entry ports, splice cassette, storage areas and cable management space. Also, the dimensions and capacity contribute to the versatility nature of the closure.
Depending on your needs, you can deploy a joint closure in local area networks. You can also use it in FTTH deployments and optical cable TV networks among others. As a practice, always seek expert opinion prior to making a choice. That should be the case if you are not sure if it suits your intended application. Avoid picking any closure. You should get the most appropriate one.
| Model | SJ-D-4 |
| Capacity | 48 Cores （4X 12F Trays） |
| Cable Ports | 1 In 3 Out, 4 Ports |
| Diameter of fiber cable | Φ8mm～Φ20 mm |
| Dimension | 28.8×17.8CM (H*D) |
| Sealing Structure | Heat Shrinkable Sealing |
- The seamless finish gives it a good look
- The unique construction makes it easy to use
- The design makes it easy to install with no requirement for any special tool required for installation
- The mounting brackets that are integrated help in both aerial and wall installation
- The relatively high mechanical strength and robust construction contribute to durability
- The excellent sealing performance contribute to great functionality and performance
Application
The scope of heat shrinkable joint closureapplication is: aerial, underground, wall-mounting, duct-mounting and handhole-mounting. The ambient temperature ranges from –40℃ to +65℃.
Fully introduction of Bwinners Fiber Optic Splice Closure
The fiber optic splice closure is common hardware used in the network system. It can mainly be found on the ends of the optical fiber and is used to connect the optical fibers.
It can also be used to protect and organize optical fiber cables from unnecessary damage.
Material
The fiber optic splice closure is made of metal and ABS/PC/PP plastic, which are not easy to rust and have good thermal stability. The metal has good rigidity and strength, while the plastic has low cost, high intensity, light weight and beautiful appearance. The metal part is usually made of aluminum alloy or stainless steel, while the plastic part is made of engineering plastics such as polypropylene or polyethylene terephthalate (PET).
The choice of Fiber Optic Splice Closure Material can make all the difference between your project being a success or a failure. The splice enclosures you use should fit within the manholes or pull boxes specified on your project plan. Additionally, the fiber optic splice closures should be labeled per your Project Detail Sheet. Once you’ve selected the type of closure you need, you should install the cables into the enclosure.
Enclosure Types
There are two types of splice closures: vertical and horizontal. Vertical fiber optic splice closures are made to withstand outside weather conditions. Outdoor splicing needs high-level seals and waterproof technology. Fiber Optic Splice Closures can accommodate anywhere from a few fibers to 288 fibers. They’re compact and durable, providing maximum protection and are particularly useful for harsh outdoor environments.
Another type of fiber optic splice closure is the vertical one. These are known as fiber dome and are similar to the horizontal types. The vertical closure is designed for buried applications and is made of high-quality engineering plastics. The vertical type features one, two, or three inlet/outlet ports. Vertical fiber optic splice closures are typically used for CATV, telecommunications, and fiber optic networks.
The vertical closure, which looks like a dome. These are often used for burying fiber optic cables in a variety of applications, such as in an aerial FTTH “tap” location. While these closures are ideal for buried applications, they are also suitable for above-ground installation as well. The closure’s cable entrance capacity should match the network’s capacity and the number of cables that are employed in the network.
Structure
The basic design of most closures involves two main parts: a base or bottom piece, which is attached to a flat surface; and a dome-shaped lid that snaps over the base part.
Bwinners fiber optic splice closure has three parts: the shell, the dustproof cap and dustproof cover. The shell is made of metal or plastic, which is sealed with a rubber ring to prevent dust from entering. The dustproof cap is made of plastic or metal, which can be used for sealing and dust proofing. The dustproof cover can be opened for inspection and maintenance; it can also be closed tightly to prevent dust from entering when not in use.
Function
Fiber optic splice closures offer a lot of benefits, which makes them very popular among people. It protects fiber cables from heat, moisture, corrosion and other external elements.
Applications
Vertical fiber optic splice closures come in a variety of configurations, with different inlet and outlet ports. High-capacity models are available for larger networks, and the number of splicing trays can vary. A dome-type fiber optic splice closure must have waterproof technology and a high-level seal to protect the cables from insects. An underground fiber optic splice closure must also keep dirt out.
Installation Ways:
- Aerial cable installation
- Pole mounted installation
- Wall mounted installation
- Man hole and hand hole installation
- FTTH access layer
Horizontal fiber optic splice closures are cylindrical or flat, and they meet the same specifications as their horizontal counterparts. They’re usually used in underground or aerial applications. Horizontal fiber optic splice closures are designed to withstand temperature ranges from -40degC to 85degC. A vertical fiber optic splice closure, on the other hand, resembles a dome. Both of these closures serve the same function, but they’re generally used for buried applications.
The port count in a fiber optic splice closure is a measure of its ability to accommodate multiple types of cables. The number of ports in a closure is important because it indicates how many cables are in the network. The number of ports in a closure will depend on how many cables you need to terminate. Smaller ports are used for drop cables and branch cables, and larger ports are for large cables.
