ABB - Installation Products 5266-HT - Liquidtight Sealing Gasket, 1-1/2 Inch, with 316 Stainless Steel Retainer Ring and Thermoplastic Molded Seals, High Temperature, Black Interior
ABB - Installation Products

5266-HT

UPC: 786210318448


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Overview

ABB Installation Products Liquidtight Sealing Gasket (SKU: 5266-HT) is a high-temperature sealing solution designed for 1-1/2 inch conduits in extreme environments. The gasket features a 316 stainless steel retainer ring for corrosion resistance and structural integrity under vibration and mechanical stress, paired with a thermoplastic molded seal rated for elevated temperatures. The black interior design ensures visibility of conduit contents while maintaining a tight seal against liquids, dust, and debris. This gasket is part of ABB’s Series 5260-HT, engineered for use with T&B Liquidtight Systems fittings and connectors, including NPT threaded entries and knockouts. It meets UL 514B, UL 50E, and CSA C22.2 No. 18.3 requirements, providing ingress protection aligned with industrial enclosures. The thermoplastic rubber seal material offers flexibility and resistance to common industrial chemicals, while the stainless steel retainer prevents crushing and distortion of the gasketing material. Key applications include foundries, furnaces, ovens, power distribution equipment, pump stations, and skids where extreme hot and cold environments are present. The gasket is compatible with Wide and Extreme Temperature LFMC and LT fittings, as well as LTXE and LT6XE conduits. It covers trade sizes from 3/8" to 4" (12mm to 103mm) and is designed for use in harsh operating conditions where protection against moisture, contaminants, oils, and liquids is critical. The high-temperature rating extends to -60°C to +150°C (-76°F to +302°F), with UL and CSA ratings of -20°C to +105°C (-4°F to +221°F). The halogen-free construction aligns with RoHS directives, making it suitable for environmentally sensitive installations.
  • 1-1/2 inch trade size for standard conduit systems
  • 316 stainless steel retainer ring for corrosion resistance and durability
  • High-temperature thermoplastic molded seal rated to +150°C
  • Black interior design for visibility of conduit contents
  • Compatible with T&B Liquidtight Systems fittings and NPT threaded entries

Specifications

Color
Black
Fits Bolt Sizes
1-1/2
Material
Thermoplastic, 316 Stainless Steel
Material
316 Stainless Steel, Thermoplastic
Material Quality
316 Stainless Steel
Outside Diameter
2-7/16 in
Seal Material
Rubber
Series
5266
Size
1-1/2 Inch
Thickness
15/64 in
Type
Liquidtight Sealing Gasket
Package Dimensions (L x W x H)
3.25 IN x 2.75 IN x 2.25 IN
Package Dimensions (L x W x H)
8.255 cm x 6.985 cm x 5.715 cm
Package Weight (Imperial)
0.0300 L
Package Weight (Metric)
0.0140 kg
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Frequently Asked Questions

What color is the 5266-HT high temperature gasket?

The 5266-HT high temperature gasket is black.

What is the installation requirement for the 5266-HT gasket?

The product must be installed in accordance with applicable national and local electrical codes.

Is the 5266-HT gasket halogen-free?

Yes, the 5266-HT seal gasket is halogen-free.

What is the weight of the 5266-HT seal gasket?

The 5266-HT seal gasket weighs 0.030 lbs (0.014 kg).

What standards does the 5266-HT gasket conform to?

The 5266-HT gasket conforms to UL 514B, CSA C22.2 No. 18.3, IEC/EN 60529, and RoHS directives.

Is the 5266-HT gasket compatible with NPT threaded fittings?

Yes, the 5266-HT gasket is designed for use with NPT threaded fittings and connectors, providing ingress integrity with NPT threaded entries.

What ingress protection ratings does the 5266-HT gasket offer?

When used with T&B fittings and conduits, the system provides NEMA Type 3, 3R, 4, 4X, 12, 13 ratings and IEC IP66, IP67, IP68, IP69 ratings.

What is the trade size of the 5266-HT seal gasket?

The 5266-HT seal gasket has a trade size of 1-1/2 inches, corresponding to 41mm (UL/CSA) and 50mm (ISO/BS EN).

What materials are used in the 5266-HT gasket's construction?

The 5266-HT gasket features a Stainless Steel 316 retainer ring and molded seals made from Thermoplastic Rubber. It is black in color.

What is the operating temperature range for the 5266-HT gasket?

The 5266-HT gasket has a general working temperature range of -60 to +150oC (-76 to +302oF). It also meets UL/CSA ratings of -20 to +105oC.

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Thomas and Betts products are installed using a variety of methods tailored to specific applications, including the use of flexible cords and cable fittings, non-metallic cable glands, and armored cable fittings. Proper selection of fittings is crucial to match the cable type and installation environment, ensuring durability and preventing physical damage. Tools such as the Blackburn® Comfort Crimp® and HEX-FLEX® systems enhance installation efficiency and reliability, reducing labor time and ensuring secure connections.

What accessories are available for Thomas and Betts products?

Thomas and Betts offers a comprehensive range of accessories for their products, including various cord and cable fittings, non-metallic cable glands, service entrance cable fittings, and armored cable fittings. Their accessories are designed to enhance installation efficiency and ensure compatibility with different cable types and environmental conditions, providing reliable connections for a wide array of applications.

What environmental ratings do Thomas and Betts products have?

Thomas and Betts products feature robust environmental ratings, including NEMA Type 1, 2, 3, 4, 4X, 12, and 13 certifications, as well as IEC 60529 IP66 protection. These ratings ensure that their products are designed to withstand harsh industrial environments, with capabilities to resist dust, water, and corrosion, and operate effectively in a wide temperature range.

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Thomas and Betts products support a wide range of industrial communication protocols, including Ethernet, DeviceNet, PROFIBUS, Modbus, CANopen, and others. This extensive compatibility ensures seamless integration and reliable communication across various industrial automation systems, catering to diverse application needs.

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What are the main product lines offered by Thomas and Betts?

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What technical support does Thomas and Betts offer?

Thomas and Betts offers comprehensive technical support, including access to field application engineers for onsite training and installation assistance. Their technical support staff is available to address inquiries related to product specifications and installation practices, ensuring optimal performance and safety of electrical systems. Additionally, they provide a variety of training programs to enhance the knowledge and skills of users in the field.

What industries and applications are Thomas and Betts products used for?

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What certifications and standards do Thomas and Betts products comply with?

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