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Sight Flow Indicators: Industrial: Standard Industrial Sight Flow Indicator (View-Through)

To meet different applications, standard view-through models may be equipped with a rotor, flapper or drip-tube. For added safety, flow indicators may be ordered with METAGLAS lenses.

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Standard Industrial Sight Flow Indicator (View-Through)

The flanged version of our standard view-through flow indicator ranges from 1/2" to 12" is full-ANSI rated up to 6". The quality investment-cast body is made from stainless or coated carbon steel. It is fitted with independently bolted glass retainers.

This L.J. Star product carries Canadian Registration Number (CRN) registration.

All standard threaded models in the L.J. Star Incorporated line of sight flow indicators carry full ANSI rating and are available in several applications- specific configurations. ANSI designed for 150# or 300# service, threaded units are available in sizes from 1/2" to 2".

  • Plain Style - installed in any position
  • Drip Tube Style - well suited for vertical lines with the downward flow direction.
  • Flapper Style - monitoring either horizontal or vertical lines with upward
  • Rotator Style - may be installed in any position to indicate flow in any direction.
  • Full ANSI Class Rating
  • Standard


  • 316 Stainless Steel; Carbon Steel
  • Standard gasket materials
  • Neoprene; Gylon¨
  • Tempered borosilicate glass
  • Investment cast surface finish
  • In-stock delivery
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At Liquidyne, we prioritize our commitment to quality and consistency. In 2017 we achieved ISO 9001:2015 Quality Management System certification to ensure we can repeatedly deliver consistently high-quality products and solutions. Being an ISO 9001 facility, together with our USP Class VI Testing, ASME Bioprocessing Equipment (BPE), and EHEDG certification guarantee, we have the methodologies to assure quality. We will quickly and accurately rectify any issues if any of our products are ever in non-conformance.

img ‰ files/ISO_9001_Quality_Management_System_Certified.png ¶ url ‰ iso-certificate ¶ cta ‰ View Certificate ¶ txt ‰ At Liquidyne, we prioritize our commitment to quality and consistency. In 2017 we achieved ISO 9001:2015 Quality Management System certification to ensure we can repeatedly deliver consistently high-quality products and solutions. Being an ISO 9001 facility, together with our USP Class VI Testing, ASME Bioprocessing Equipment (BPE), and EHEDG certification guarantee, we have the methodologies to assure quality. We will quickly and accurately rectify any issues if any of our products are ever in non-conformance. ¶
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