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HUBBELL KILLARK

Hubbell Killark, a brand under Hubbell Incorporated, has been a manufacturer of electrical fittings and enclosures for hazardous locations since its founding in the early 20th century. The brand is recognized for its extensive line of products designed to meet the rigorous safety requirements of environments where flammable gases, vapors, or combustible dusts are present. Primary product families include conduit outlet bodies (such as LB, LL, and LR types), reducing bushings, device boxes, enclosures with lens covers, and lighting fixtures, including LED luminaires. These products are constructed from materials like aluminum, iron, and steel, with powder-coated finishes for corrosion resistance. Key specifications include NPT thread sizes ranging from 1/2 inch to 3 inches, body capacities up to 173 cubic inches, and temperature codes such as T4A for lighting. Hubbell Killark products are designed to comply with standards for Class I, Division 1 and 2, and Class II, Division 1 and 2 hazardous locations, as well as NEMA 3R, 4, 4X, 7, and 9 ratings where applicable. 3G Electric stocks over 600 SKUs of Hubbell Killark products, providing global logistics support for plant engineers, maintenance managers, and procurement specialists. The inventory includes fittings for conduit routing, junction boxes for wiring terminations, and lighting solutions for hazardous areas. 3G Electric ensures availability of these components for applications in oil and gas refineries, chemical processing plants, grain handling facilities, and other industrial settings requiring explosion-proof or dust-ignition-proof equipment. The product range supports both new installations and retrofits, with options for feed-through hubs, set screw hubs, and grounding screws. By maintaining a broad stock, 3G Electric facilitates timely procurement for maintenance and project needs.

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About HUBBELL KILLARK

Hubbell Killark, a brand under Hubbell Incorporated, has been a manufacturer of electrical fittings and enclosures for hazardous locations since its founding in the early 20th century. The brand is recognized for its extensive line of products designed to meet the rigorous safety requirements of environments where flammable gases, vapors, or combustible dusts are present. Primary product families include conduit outlet bodies (such as LB, LL, and LR types), reducing bushings, device boxes, enclosures with lens covers, and lighting fixtures, including LED luminaires. These products are constructed from materials like aluminum, iron, and steel, with powder-coated finishes for corrosion resistance. Key specifications include NPT thread sizes ranging from 1/2 inch to 3 inches, body capacities up to 173 cubic inches, and temperature codes such as T4A for lighting. Hubbell Killark products are designed to comply with standards for Class I, Division 1 and 2, and Class II, Division 1 and 2 hazardous locations, as well as NEMA 3R, 4, 4X, 7, and 9 ratings where applicable. 3G Electric stocks over 600 SKUs of Hubbell Killark products, providing global logistics support for plant engineers, maintenance managers, and procurement specialists. The inventory includes fittings for conduit routing, junction boxes for wiring terminations, and lighting solutions for hazardous areas. 3G Electric ensures availability of these components for applications in oil and gas refineries, chemical processing plants, grain handling facilities, and other industrial settings requiring explosion-proof or dust-ignition-proof equipment. The product range supports both new installations and retrofits, with options for feed-through hubs, set screw hubs, and grounding screws. By maintaining a broad stock, 3G Electric facilitates timely procurement for maintenance and project needs.

Common Applications

  • Oil and gas refineries — Hubbell Killark MM-90-1WW 90° elbows for conduit routing in Class I Division 1 areas
  • Chemical processing plants — Hubbell Killark SWB-5 device boxes for housing switches and controls in corrosive environments
  • Grain handling facilities — Hubbell Killark VM1L4530 LED light fixtures for illumination in dust-ignition-proof locations
  • Pharmaceutical manufacturing — Hubbell Killark GECLBT-1 conduit outlet bodies for wiring connections in clean rooms with hazardous vapors
  • Wastewater treatment plants — Hubbell Killark GRK-537L enclosures with lens covers for instrument housing in wet hazardous zones
  • Petrochemical storage terminals — Hubbell Killark OLL-8M iron conduit outlet bodies for heavy-duty conduit systems in outdoor classified areas

Frequently asked questions

Common questions about HUBBELL KILLARK from 3G Electric.

What materials are used in Hubbell Killark hazardous location fittings?

Hubbell Killark fittings are commonly made from aluminum, iron, or steel. Aluminum models, such as the MM-90-1WW elbow, are lightweight and corrosion-resistant, often with a powder-coated finish. Iron fittings, like the OLL-8M conduit outlet body, offer high mechanical strength for heavy-duty applications. Steel reducing bushings, such as the RE32S, provide durability in threaded connections. Material selection depends on the environmental conditions and mechanical requirements of the installation.

What temperature codes are available for Hubbell Killark LED light fixtures?

Hubbell Killark LED light fixtures, such as the VM1L4530, are rated with temperature codes like T4A. This code indicates the maximum surface temperature of the fixture under normal operating conditions, which is critical for preventing ignition in hazardous atmospheres. The T4A rating corresponds to a maximum surface temperature of 120°C (248°F). Other temperature codes may be available depending on the specific model and application requirements.

How do I select the correct Hubbell Killark conduit outlet body for my installation?

Selection depends on the conduit trade size, body type (e.g., LB, LL, LR), material, and capacity. For example, the GECLBT-1 is an aluminum LB body for 1/2-inch conduit with a 19 cubic inch capacity. Ensure the body type matches the conduit routing direction (e.g., LB for straight pull, LL for left turn). Verify thread gender (female hubs are standard) and check for included features like grounding screws. Refer to the product specifications for NPT thread compatibility and enclosure ratings.

Are Hubbell Killark enclosures with lens covers suitable for outdoor hazardous locations?

Yes, enclosures like the GRK-537L are designed for hazardous locations and can be used outdoors if they meet the required NEMA ratings. The GRK-537L features a screw closure method and a lens cover, which may provide protection against moisture and dust ingress. Verify the specific NEMA rating (e.g., NEMA 4X for corrosion resistance) and temperature code for the intended environment. Always consult the product datasheet for detailed environmental specifications.

What is the difference between a reducing bushing and a conduit outlet body from Hubbell Killark?

A reducing bushing, such as the RE32S, is a simple fitting used to transition between different conduit trade sizes (e.g., from 1 inch to 3/4 inch). It is typically installed in a hub or enclosure opening. A conduit outlet body, like the GECLBT-1, is a larger fitting that provides access to conductors for pulling or splicing, with multiple ports and a cover. Outlet bodies are used for directional changes or junction points, while reducing bushings are for size reductions only.

Does 3G Electric supply HUBBELL KILLARK products?

Yes — 3G Electric (S) Pte. Ltd. supplies HUBBELL KILLARK products. We stock the HUBBELL KILLARK catalog and supply genuine factory-original products with full manufacturer warranty and technical support.