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White Paper

Step-by-Step Guide to Sight Glass Selection


Effective sight glass selection ensures visibility, safety and efficiency in industrial processes. Whether monitoring liquid levels in tanks or verifying flow in pipelines, selecting the appropriate sight glass can prevent costly mistakes and enhance operational control.

Our white paper, Step-by-Step Guide to Sight Glass Selection, provides a clear, step-by-step approach to making the right choice for your specific application.

What’s Inside:

  • Key considerations for selecting a sight glass, including temperature, pressure, and process media
  • Differences between sight glass windows for vessels and sight flow indicators for pipelines
  • A breakdown of material choices—glass, metal, and gaskets—to ensure durability and compliance.

What You’ll Gain:

  • Confidence in choosing the optimal sight glass for your needs
  • Insights into installation and maintenance best practices
  • A streamlined selection process that saves time and money.

Download the white paper now and optimize the visibility into your process without compromising safety and increasing maintenance costs.

LJ Star Incorporated (www.ljstar.com) provides an extensive line of process optimization equipment – sight glasses, lights, sanitary fittings, cameras and level gage instrumentation. Product lines include METAGLAS® Safety Windows, Lumiglas® Explosion Proof Lights and Cameras, the MetaClamp® Sanitary Sight Window, 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.

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330-405-3040 | Contact Us | P.O. Box 1116 Twinsburg, OH 44087

© LJ Star Incorporated All rights reserved. METAGLAS® and METACLAMP® are registered trademarks of Herberts Industrieglas; Lumiglas® and LumiStar® are registered trademarks of F.H. Papenmeier GmbH & Co. KG; LumiFlo® and MetaPlex® are registered trademarks of LJ Star Incorporated.