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L.J. Star Receives Vaaler Award for LED Sight Glass Light for Hazardous Environments

Series 55-EX is the first high power LED sight glass light with an explosion-proof rating


Twinsburg, Ohio – December 15, 2011 — L.J. Star has been awarded a 2011 Vaaler Award by Chemical Processing magazine for its development of the LED Ex Luminaire Series 55-EX, the first high power LED sight glass light with an explosion-proof rating. The product is ideal for use in hazardous areas to reduce maintenance costs and meet company green initiatives.

For its biennial Vaaler Awards, Chemical Processing selects companies whose products or services have significantly improved the operation and economy of chemical plants. Its editorial board reviews candidates from a variety of categories based on technical significance, uniqueness and applicability.

Before the Series 55-EX was introduced, the only EX-rated LED luminaires available were very low power and provided little light for viewing. Now, companies that want to reduce their carbon footprint can use this high power, EX-rated sight glass light to give operators a well-lit, glare-free view of the interior of a variety of process vessels, including tanks, reactors, hoppers, silos and pipelines. Its compact construction and lack of fragile filaments make it impact and vibration resistant—allowing for use in harsh applications.

Employing state-of-the-art green technology, the Series 55-EX sight glass light is specially designed to produce light without heat and has an exceptionally long operating life of approximately 50,000 hours—50 times that of a halogen bulb. These features make it ideal for heat-sensitive processes and use in applications where exceptional reliability and low maintenance are required.
To learn more about the Series 55-EX sight glass light, visit
About L.J. Star
L.J. Star Incorporated provides an extensive line of process observation equipment — sight glasses, lights, sanitary fittings, and level gage instrumentation. Product lines include Metaglas® Safety Sight Windows, Lumiglas® Explosion Proof Lights and Cameras, Visual Flow Indicators, Sight Ports, Sanitary Clamps, Magnetic Level Gages and Gage Glass.  Metaglas is the #1 selling fused sight glass, proven in thousands of installations around the world. Unlike some other sight glasses, it meets stringent DIN 7079 and DIN 7080 quality standards, and it is approved for USP Type I use. For additional information, or to request third-party documentation of standards compliance and product performance claims, contact L.J. Star Incorporated, P.O. Box 1116, Twinsburg, OH 44087. Phone: 330-405-3040. Fax: 330-405-3070. Email: Website:


 55-EX sight glass
 Sight Glass
 Flow Indicator
 Gauge Glass
 sanitary fittings

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