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  • Fiber cable tray internal riser 45 degrees
  • Fiber cable tray internal riser 45 degrees

Fiber cable tray internal riser 45 degrees

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Product introduction
FIBER TRAY · INTERNAL RISER · 45°
Fiber cable tray internal riser 45 degrees
The Fiber Cable Tray Internal Riser 45 Degrees is a precision-molded component designed to facilitate a 45-degree vertical directional change within fiber optic cable management systems. This internal riser provides a smooth, gradual transition for optical fibers moving between different elevation levels within the same tray run. Manufactured from flame-retardant ABS or PVC (UL94 V-0), the riser maintains the critical bend radius required for single-mode and multi-mode fibers, preventing micro-bending losses and ensuring signal integrity. The internal configuration allows the riser to be installed within the tray profile, maintaining a clean aesthetic and protecting fibers from external interference. Compatible with standard 120mm, 240mm, and 300mm fiber cable trays, this accessory is essential for structured cabling in data centers, telecommunication rooms, and enterprise network environments.
CORE ADVANTAGES
Controlled 45° transition
Gradual 45-degree incline provides smooth fiber routing between elevation levels without exceeding maximum bend radius limits.
Internal riser design
Installed within the tray profile, maintaining a clean, unobtrusive appearance and protecting fibers from external contact.
Flame-retardant material
UL94 V-0 rated ABS or PVC construction meets data center and telecommunication facility fire safety requirements.
Snag-free surface
Smooth internal and external surfaces eliminate sharp edges that could damage delicate fiber jackets during installation.
Modular compatibility
Standard dimensions ensure seamless integration with 120mm, 240mm, and 300mm fiber cable tray systems.
Tool-free installation
Snap-fit connections enable rapid assembly and modification of fiber routing paths without specialized tools.
Fiber cable tray internal riser 45 degrees
Material Flame-retardant ABS / PVC
Flame rating UL94 V-0 · halogen-free
Angle 45° internal rise
Bend radius ≥30mm · ≥50mm options
Tray compatibility 120mm · 240mm · 300mm
Temperature range -25°C to +75°C
PRODUCT SPECIFICATIONS
Material Flame-retardant ABS or PVC (UL94 V-0, halogen-free)
Riser angle 45-degree internal vertical transition
Bend radius options R30 (standard), R50 (heavy-duty fiber), R100 (ultra-sensitive)
Compatible tray widths 120mm, 240mm, 300mm (standard fiber tray sizes)
Installation method Snap-fit / clip-on attachment to tray sidewalls
Color standard Yellow (industry standard for fiber optic), Orange, Black
Operating temperature -25°C to +75°C
Storage temperature -30°C to +85°C
APPLICATION SCENARIOS
Data centers – Routing fiber between overhead trays and sub-floor pathways with 45-degree elevation changes.
Telecommunication central offices – Organizing fiber transitions between main distribution frames and equipment racks.
Enterprise server rooms – Managing fiber cable elevation changes within structured cabling infrastructure.
ISP and colocation facilities – Facilitating fiber routing between different cable management zones and equipment areas.
FREQUENTLY ASKED QUESTIONS
▸ What is the difference between an internal riser and an external riser?
An internal riser fits within the tray profile, maintaining a clean appearance and protecting fibers from external contact. An external riser attaches to the outside of the tray, providing additional clearance but exposing fibers to potential damage. The internal design is preferred for most data center and telecom applications where aesthetics and protection are priorities.
▸ Can the 45-degree riser be used with pre-terminated fiber bundles?
Yes. The smooth, flared entry and exit points allow pre-terminated fiber assemblies with MPO or MTP connectors to pass through without snagging. However, the riser should be installed before the fiber bundle is pulled to ensure the connector passes through the opening without obstruction.
▸ How does the riser maintain bend radius for fiber optic cables?
The internal surface of the riser is designed with a continuous, smooth curvature that maintains a minimum bend radius of 30mm (standard), 50mm (heavy-duty), or 100mm (ultra-sensitive). This ensures that optical fibers are never subjected to sharp angles that could cause micro-bending or signal attenuation.
▸ Is the riser compatible with both single-mode and multi-mode fiber cables?
Yes. The riser is compatible with all standard fiber optic cable types, including single-mode (OS1, OS2) and multi-mode (OM1-OM5). The bend radius options (R30/R50/R100) provide flexibility to match the specific requirements of different fiber types and applications.
INSTALLATION GUIDELINES
Install the riser before pulling fiber cables to allow connectors to pass through the opening without obstruction or damage.
Ensure the riser is aligned with the vertical axis of the cable tray to prevent lateral stress on fiber bundles during transition.
Verify that the selected bend radius matches the fiber manufacturer's specifications for the cable type being installed.
STORAGE & MAINTENANCE
Store riser components in a dry, ventilated area away from direct UV exposure to maintain material properties.
Inspect the riser for surface imperfections or burrs before installation to ensure smooth fiber routing.
Avoid contact with strong solvents or acidic cleaning agents that may degrade flame-retardant properties.
Fiber cable tray internal riser · 45° · UL94 V-0 · R30/R50/R100 · 120/240/300mm compatible
Physical Properties
Type Fiber Cable Tray/Optic Cable Tray
Material Material flame-retardant PVC For Straight Section， flame-retardant ABS For Accessories, the material of flexible tube is PP. Flame-retardant material rated UL94 FV-0
Surface finishing/treatment

/

Dimension range

customizable is available

 Width 120/240/300/360
Side Rail Height 100
Length 2000/3000/Customized
Thickness/wire diameter
Max. Working Load
Accessories/related products
Product Features

1. Closed design, protect the fiber optic cables from damage. 

2. Fiber raceway duct is made from flame-retardant plastic material with smooth surface and good appearance. 

3. Offers bend radius control and ensures fiber radius≧40mm Movable cable exit kit is optional to satisfy the expanding request of date center. 

4. Different kind of installation way is available like hanging, cabinet top supporting or connecting with other cable tray.
Color Yellow(pantone 123c)
Enviroment demmand Indoor
Application Suitable for a wide range of applications, including fiber optic cable management, power cable management.
About us
Jiangsu Youming Group Co., Ltd.
Jiangsu Youming Group Co., Ltd.

Jiangsu Youming Group Co., Ltd. was established in 2015 and is located in the Taidong Industrial Park, Shiyuan Town, Dongtai City. We are China Custom Fiber cable tray internal riser 45 degrees Suppliers and OEM/ODM Fiber cable tray internal riser 45 degrees Factory. It is a enterprise specializing in the research and development and production of cable trays. It is a innovative high-tech enterprise in Jiangsu Province. With a registered capital of 50 million RMB, it covers an area of 60 acres and has a production workshop of over 26,000 square meters, with an annual production capacity of more than 30,000 tons of cable trays.

In the increasingly refined cable tray market, the company has steadily advanced to the forefront of the industry, equipped with fully automatic production lines. Its main include longitudinal and transverse shearing lines, automatic forming lines, automatic welding lines, automatic riveting lines, laser cutting and CNC turret punching lines, and automatic spraying lines. The products are mainly divided into several series such as stainless steel, aluminum alloy, hot-dip galvanized, and powder-coated/fireproof, and various specifications and models such as trough type, ladder type, perforated type, and mesh type. The products are widely used in infrastructure, transportation, communication, power (including wind, photovoltaic and thermal power, machinery, metallurgy, shipping, chemical, pharmaceutical, food and other fields. The company has its own testing center, and every test from raw material procurement to product delivery undergoes quality inspection, ensuring that the product quality reaches the high level in the industry. After years of market expansion, it has established good cooperative relationships with many famous domestic enterprises, providing customers with comprehensive product selection services and winning high recognition and trust from customers.

The company attaches great importance to production and technological research and development and innovation. With talent and technology as the guarantee, it has over 150 skilled employees, including more than 50 technical backbone members. It has a design and R&D team, advanced enterprise management, and an efficient sales team. The company has passed the ISO 9001:2015 quality management system standard certification, ISO 14001:2015 environmental system standard certification, ISO 45001:2018 occupational health and safety system standard certification, and EU CE certification It has obtained multiple independent intellectual property rights and patent technologies and is in a high position in technological innovation in the industry.

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