nVent F88T3RTX - 90-Degree Cross, fits 8.00x8.00, Gray, Steel
nVent

F88T3RTX

UPC: 783510438999


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Installation Instructions

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Overview

The **nVent 90-Degree Cross (F88T3RTX)** is a high-performance galvanized steel fitting designed for HVAC, industrial ventilation, and ductwork systems requiring four-way branch connections. Engineered for durability and precision, this 90-degree cross features a **8.00x8.00 inch cross-section** and a **gray painted finish** for corrosion resistance and easy identification in complex installations. Manufactured by **nVent**, a global leader in thermal management and electrical solutions, this product exemplifies the brand’s commitment to reliability in demanding environments. **Key Features & Benefits:** - **Versatile Functionality**: Use as a **90-degree elbow** or **flush tee** by adding closure plates, reducing the need for multiple fittings and streamlining installation. This adaptability makes it ideal for tight spaces or systems requiring frequent reconfiguration. - **Superior Material Construction**: Constructed from **galvanized steel**, the F88T3RTX resists rust and corrosion, ensuring long-term performance in humid, industrial, or outdoor applications. The **gray painted finish** enhances visibility and provides an additional layer of protection against environmental stressors. - **Precision Engineering**: Designed to fit **8.00x8.00 inch ducts**, this cross ensures tight seals and minimal air leakage, critical for maintaining system efficiency in HVAC, cleanrooms, or manufacturing facilities. - **Compatibility & Standards**: Complies with industry standards for ductwork fittings, making it suitable for commercial buildings, data centers, hospitals, and industrial plants. The **UNSPSC Code 39131710** confirms its classification as a duct fitting, ensuring seamless integration into procurement and inventory systems. - **Manufacturer Trust**: nVent’s reputation for innovation and quality ensures the F88T3RTX meets rigorous performance benchmarks. Backed by decades of expertise in thermal and electrical solutions, nVent products are trusted by engineers, contractors, and facility managers worldwide. **Typical Applications:** The nVent 90-Degree Cross is a go-to solution for professionals in **HVAC, industrial ventilation, and process air systems**. Common use cases include: - **Commercial HVAC Systems**: Distributing conditioned air in office buildings, retail spaces, or schools where multiple branches are required from a single duct run. - **Industrial Facilities**: Ventilation for manufacturing plants, warehouses, or laboratories where robust, corrosion-resistant fittings are essential for safety and efficiency. - **Cleanroom Environments**: Maintaining controlled airflow in pharmaceutical, semiconductor, or food processing facilities where contamination risks must be minimized. - **Data Centers & Telecommunications**: Supporting high-performance cooling systems that require precise air distribution and minimal pressure drop. **Installation & Selection Considerations:** When specifying the F88T3RTX, professionals should evaluate: - **Duct Size Compatibility**: Ensure the 8.00x8.00 inch cross-section matches the system’s ductwork to prevent leaks or airflow restrictions. - **Material & Finish**: The galvanized steel and gray paint provide corrosion resistance, but additional coatings or treatments may be needed for highly corrosive environments (e.g., chemical plants). - **Closure Plates**: For tee applications, select compatible closure plates to complete the fitting and maintain system integrity. - **Load & Pressure Ratings**: Verify the fitting’s capacity to handle the system’s airflow and static pressure, especially in high-velocity or high-pressure applications. **Why Choose nVent?** nVent’s legacy of engineering excellence spans over a century, with a focus on delivering solutions that enhance safety, efficiency, and sustainability. The **F88T3RTX 90-Degree Cross** exemplifies this commitment, offering a **cost-effective, durable, and versatile** option for professionals who demand reliability. Whether upgrading an existing system or designing a new one, this fitting provides the flexibility and performance needed to meet modern industry challenges. For contractors, engineers, and facility managers seeking a **high-quality, multi-functional duct fitting**, the nVent 90-Degree Cross (F88T3RTX) is a trusted choice that delivers performance without compromise.
  • Lay-in Painted Galvanized 90-Degree Crosses are used when there are four branches
  • It can be used as a 90-degree elbow or a 90-degree flush tee by adding Closure Plates
  • Use as a 90-degree elbow or flush tee with closure plates
  • Compatible with HVAC, industrial ventilation, and cleanroom systems
  • Manufactured by nVent, a leader in thermal and electrical solutions

Specifications

Application
Power Distribution
Color
Gray
Color Code
ANSI 61
Finish
Galvanized;Painted
Finish
Galvanized
Height
44 IN
Height
8
Height
203
Material
Steel
Material
Mild Steel
Material
Mild Steel;Steel
Modification Services
Yes
NEMA Rating
3R
NEMA Rating
3R Weather-resistant, except dust
Protection Rating
NEMA Type 3R
Size
8.00x8.00
Thickness
1.9 mm
Thickness
14 ga
Thickness
51.40mm (2.024")
Type
Cross Fitting
Type
Commercial Lay-in Painted Galvanized Hinged-cover Type 3R Wireway;Cross Fitting
Type Number
Type 3R
Weight
20.3 lb
Width
8
Width
203
Width
23 IN
Wireway
Lay-In NEMA Type 3R Wireway
Package Dimensions (L x W x H)
20 IN x 20 IN x 8.2 IN
Package Dimensions (L x W x H)
50.8 cm x 50.8 cm x 20.828 cm
Package Weight (Imperial)
20.300 L
Package Weight (Metric)
9.208 kg
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How to Install the F88T3RTX Controller

This guide provides step-by-step instructions for installing and configuring the F88T3RTX Controller on a DIN rail.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors

  1. Mount the controller

    Secure the F88T3RTX controller to the DIN rail using the integrated clips. Ensure the controller is level and firmly attached.

  2. Connect the power supply

    Using the wire strippers, prepare the power supply wires and connect them to the designated power terminals on the controller. Ensure correct polarity to avoid damage.

  3. Verify connections

    Use a multimeter to check the voltage at the power terminals to confirm proper connection. The voltage should match the specifications outlined in the controller's manual.

  4. Configure initial settings

    Power on the controller and access the configuration menu. Set the required parameters as per your application needs.

  5. Calibrate the controller

    Follow the calibration procedure in the manual to ensure the controller operates within the desired specifications. Adjust settings as necessary.

Frequently Asked Questions about nVent

What industries and applications are nVent products used for?

nVent products are engineered for critical infrastructure and industrial applications across multiple demanding sectors. Key markets include Construction, Data Centers, Defense, Healthcare, Mining, Oil & Gas Refineries, Power Plants, Rail/Transit, Renewable Energy, Security, Ship Building, Steel Mills, Telecom, and Utilities. Their solutions are designed to withstand extreme environmental conditions, with temperature ranges from -55°C to 105°C and specialized features like UV resistance, oil resistance, and flame resistance.

What environmental ratings do nVent products have?

nVent enclosures feature comprehensive environmental ratings, including UL 508A, CSA, and NEMA Type 1, 2, 3, 4, 4X, 12, and 13 certifications. They are rated IEC 60529 IP66, providing robust protection against dust, water, and corrosion in both indoor and outdoor environments. These products operate effectively in temperatures ranging from -40°F to 266°F, with enhanced UV inhibitors for outdoor weathering and oil-resistant gaskets for superior sealing.

What accessories are available for nVent products?

nVent offers a comprehensive range of accessories across multiple product lines, including EMC accessories like bonding cable clamps and strain reliefs, inline accessories such as lock inserts and mounting brackets, CONCEPT accessories including panel conversion kits and rack-mount angles, and seismic accessories for specialized mounting requirements. Key accessory categories include grounding kits, DIN rail mounting solutions, panel supports, handles, and various mounting hardware compatible with different enclosure types.

What certifications and standards do nVent products comply with?

nVent products meet critical international certifications including UL (United States), CSA (Canada), CE (European Community), and EAC (Russia). Our products are designed to comply with rigorous industrial standards such as NEMA enclosure ratings, IEC 60529 IP ratings, and international safety standards across multiple industrial markets including oil & gas, power, manufacturing, and infrastructure.

What is nVent's warranty policy?

nVent offers a standard 18-month warranty from invoicing date for most automation products, covering defects in workmanship and materials. The warranty requires proper transportation, handling, storage, and installation within specified environmental conditions. Warranty coverage includes repair or replacement at nVent's discretion, with certain conditions such as authorized service repairs and operation within designed capacity limits.

What technical support does nVent offer?

nVent offers comprehensive technical support through multiple global contact centers across North America, South America, Europe, Middle East, India, and Asia. Customers can reach technical experts by phone at regional numbers, with the North American headquarters in Minneapolis, MN providing primary support at +1.763.421.2240. Additionally, nVent provides online support resources through their website, including CAD drawing downloads and an 'Ask The Expert' feature to assist with product technical inquiries.