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KILLARK

Killark is a manufacturer of electrical equipment for hazardous and industrial environments, with a product history dating back to the early 20th century. The brand is known for conduit fittings, sealing fittings, enclosures, control stations, and hazardous-location lighting and signaling devices. Its catalog is organized around the National Electrical Code (NEC) hazardous location classification system, covering Class I (flammable gases or vapors), Class II (combustible dust), and Class III (ignitable fibers or flyings), with Division 1 and Division 2 protection concepts. Products are commonly specified by plant engineers and maintenance managers in chemical processing, oil and gas, grain handling, and other facilities where ordinary electrical equipment cannot be used.

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About KILLARK

Killark is a manufacturer of electrical equipment for hazardous and industrial environments, with a product history dating back to the early 20th century. The brand is known for conduit fittings, sealing fittings, enclosures, control stations, and hazardous-location lighting and signaling devices. Its catalog is organized around the National Electrical Code (NEC) hazardous location classification system, covering Class I (flammable gases or vapors), Class II (combustible dust), and Class III (ignitable fibers or flyings), with Division 1 and Division 2 protection concepts. Products are commonly specified by plant engineers and maintenance managers in chemical processing, oil and gas, grain handling, and other facilities where ordinary electrical equipment cannot be used.

3G Electric supplies Killark products globally, with current stock including hazardous-location strobe lights and vertical sealing fittings. The strobe light range includes LED models for Class III environments, available with amber, red, or green lenses and pendant, wall, or ceiling mounting. Voltage options include 12 to 80 VDC, 24 VAC, and 120 to 240 VAC, depending on model. These units are used for visual signaling where combustible fibers or flyings are present. The sealing fitting range includes vertical 25% fill fittings in iron and powder-coated aluminum, with trade sizes from 1/2 in to 3/4 in and female-to-female NPT threaded connections. These fittings are cCSAus certified for hazardous location use, with some models rated for Class I, Division 1 and 2, Groups B, C, and D.

Killark products are built to relevant UL and CSA standards, with many items carrying cCSAus certification. Materials include iron, aluminum, and engineered thermoplastics, with finishes such as powder coating for corrosion resistance. Enclosure types and IP ratings vary by product family; buyers should confirm the specific rating for the intended environment. 3G Electric supports the Killark line by maintaining inventory of common hazardous-location fittings and signal devices, providing specification data such as trade size, voltage, mounting, and certification, and quoting configurations for project requirements. For technical selection, refer to the individual product datasheets and the applicable code requirements for the installation.

Common Applications

  • Grain handling facilities — Killark LED strobe lights with amber or green lenses for Class III signaling in areas with combustible dust and fibers.
  • Chemical processing plants — Killark vertical sealing fittings in iron or aluminum to prevent vapor passage through conduit systems in Class I, Division 1 locations.
  • Oil and gas terminals — Killark cCSAus certified sealing fittings for conduit runs in Groups B, C, and D hazardous areas.
  • Pharmaceutical manufacturing — Killark wall-mount strobe lights on 120 to 240 VAC for visual alerts in classified areas.
  • Wastewater treatment — Killark pendant-mount LED strobes on 12 to 80 VDC for outdoor hazardous-location signaling.
  • Food processing — Killark powder-coated aluminum sealing fittings for washdown-adjacent conduit systems requiring corrosion resistance.

Guides & Resources

Frequently asked questions

Common questions about KILLARK from 3G Electric.

What are the voltage and mounting options for Killark hazardous-location strobe lights?

Killark LED strobe lights for hazardous locations are available in several voltage configurations. Models in the current 3G Electric listing operate on 12 to 80 VDC, 24 VAC, or 120 to 240 VAC. Mounting options include pendant, wall, and ceiling mount, with overall heights ranging from 8 in to 18 in depending on the model. Lens colors include amber, red, and green. These units are rated for Class III environments where combustible fibers or flyings are present. Confirm the specific model number for voltage, mounting, and lens color before ordering.

What is the difference between Killark vertical sealing fittings in iron and aluminum?

Killark vertical sealing fittings are available in iron and aluminum constructions. The iron version, such as the EY-75MWW, has a 3/4 in trade size and female-to-female NPT connections. The aluminum versions, such as the EY-75WW and EY-50WW, feature a powder-coated finish and are available in 3/4 in and 1/2 in trade sizes respectively. Both materials are rated for 25% fill and carry cCSAus certification. Aluminum models are lighter, while iron offers different mechanical properties. Selection depends on the conduit system requirements and environmental conditions.

Are Killark sealing fittings certified for Class I, Division 1 hazardous locations?

Some Killark sealing fittings are cCSAus certified for Class I, Division 1 and 2, Groups B, C, and D hazardous locations. For example, the EY-50WW powder-coated aluminum vertical sealing fitting with 1/2 in FNPT connections carries this rating. Certification varies by model and material. Always verify the specific certification marking on the product or datasheet for the intended installation. The cCSAus mark indicates compliance with applicable Canadian and U.S. standards for hazardous location equipment.

What is the fill rating for Killark vertical sealing fittings?

The Killark vertical sealing fittings listed by 3G Electric have a 25% fill rating. This refers to the maximum cross-sectional area of conductors allowed within the fitting, as specified by the manufacturer and applicable electrical codes. The 25% fill rating is common for sealing fittings used to prevent the passage of gases, vapors, or flames through conduit systems. Installers must select the correct trade size and ensure conductor fill does not exceed the rated percentage. Refer to the product datasheet and NEC requirements for proper installation.

What materials and finishes are used in Killark sealing fittings?

Killark vertical sealing fittings are constructed from iron or aluminum. The aluminum models feature a powder-coated finish for added corrosion resistance. Iron models are typically uncoated or have a standard finish. Both materials are used in hazardous location conduit systems. The choice between iron and aluminum may depend on weight, environmental exposure, and compatibility with the conduit system. Powder coating provides a durable surface that resists chalking and corrosion in industrial environments.

How does 3G Electric support Killark product selection?

3G Electric supplies Killark hazardous-location products globally and provides specification data for each listed item, including trade size, voltage, mounting, lens color, material, finish, and certification. For project requirements, 3G Electric can quote specific configurations and verify availability. Technical selection should be based on the applicable electrical code and the product datasheet. 3G Electric does not provide engineering design services; buyers should consult a qualified engineer for installation requirements.