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ChemTite® Ethylene™ Double-Sure™ Sight Flow Indicator

The ChemTite® Ethylene™ Double-Sure™ Sight Flow Indicator is specifically designed to provide an extra level of safety, reliability, and protection in high pressure and high temperature conditions typically found in ultrapure processing environments.

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Product Features & Benefits

  • DUAL CONTAINMENT: Each unit is double sealed for extra safety and reliability.
  • 100% TESTED: The inner chamber is subjected to both a 225 psighydrostatic pressure test and a 150 psig helium bubble test, while the outer chamber is subjected to a 150 psig helium bubble test.
  • LEXAN® IMPACT SHIELD: A Lexan® outer safety shield with an unobstructed 360° view is standard on all Double-Sure Dual containment Sight Flow Indicators to protect the glass tube from external damage and to provide scatter protection.
  • PTFE GLASS-WETTED SURFACE: PTFEand borosilicate glass-wetted surfaces offer high temperature corrosion resistance and absolute product purity.
  • UNIQUE SEAL DESIGN: PTFE and Viton® B gasket provides a secure, bubble-tight seal in applications with extreme thermal cycling.
  • RUGGED CONSTRUCTION: All Double-Sure™ Dual Containment Sight Flow Indicators have heavy-duty tie rods and flanges for decreased deformation under external loads.
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Technical Details


  • -20°F to 350°F (-29°C to 176°C)


  • Rating 150 psig


  • Available in diameters of 1”, 1 ½” and 2”, in lengths up to 50”
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