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L.J. Star Announces Product Literature on its Full View Flow Indicator

Online datasheet explains benefits of 360-degree view of process flow


Twinsburg, Ohio – July 17, 2012 – L.J. Star has published product literature about its Full View Flow Indicator, a tubular sight glass that enables process flow to be viewed from any direction. The eight-page document, which also covers the company’s conventional sight flow indicators, is available as a PDF, downloadable from the L.J. Star website at

The literature details the Full View Flow Indicator in terms of its construction, mounting style, indication options, and design and maintenance features. The metal heads come standard in 316 stainless steel or carbon steel, with other alloys (Monel®, Alloy 20, and Hastelloy®) available by special order. For use with harsh process products that react with metal, Teflon-lined heads are available. Gaskets are standard in neoprene or PTFE, and gaskets made of several other materials are also available for special applications.

Indication options include a drip tube, a ball, and a flutter indicator. The drip tube permits observation of very low flows and condensing moisture. The flutter indicator is a ribbon-like structure that flaps in response to flow. It is ideal for observation of clear gases, even at low rates of flow. The Teflon ball indicates flow by oscillating inside the tubular sight glass.

The indicator’s features include delivery from stock in most cases, a smooth investment-cast surface-finish, a clear plastic impact shield, and acrylic enamel coating (on carbon steel units.) Metal shields are also available for use in applications where moderate mechanical strain is present on the pipeline. Standard flanged units are available in sizes from 1 to 4 inches with pressure ratings from 70 to 150 psi. Threaded units are available in sizes from 1/8 inch to 2 inches.

To learn more about L.J. Star’s full view flow indicator products, visit:
About L.J. Star
L.J. Star Incorporated provides an extensive line of process observation equipment -- sightglasses, 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 sightglass, proven in thousands of installations around the world. Unlike some other sightglasses, 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:
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Monel is a trademark of Special Metals Corporation. Hastelloy is a trademark of Haynes International, Inc.


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