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You are here: Home › Products › Specials › Sight Glasses

Sight Glasses

Discription

Visual monitoring of flow rates and filling levels in pipelines

The flow rate of the medium is checked using sight glass fittings. The Hy-Lok D sight glass fittings serve for quick and simple monitoring of the process in pipeline systems.

Thanks to their full passage, Hy-Lok D sight glass fittings cause no pressure losses. They are available as standard with 1/4” to 1” or 6 mm to 25 mm clamping ring connection.

Other connection configurations are available on request:

  • Threaded Connection: 1/8″ to 1″ (NPT, BSPT)
  • Welding Connection: 1/4″ to 1″ (Pipe)
  • Socket Connection: 1/4″ to 1″ (Tube and Pipe)
  • ZCO Connection with frontal O-Ring: 1/4″ to 1/2″
  • ZCR Connection with metallic sealing washer: 1/4″ to 1/2″

Working Pressure

  • Pressure: 38 bar (551 psi) at 66°C (150°F)
  • 24 bar (348 psi) at 200°C (392°F)
  • Temperature range: -40 °C to 200 °C (-40 °F to 392 °F)

Tests and Certificates

  • ISO 9001 Certificate No. GQC 212
  • ASME Sect II (MO) Certificate No. GSC 584

Materials

  • Housing: CF8M / S316
  • Sight glass: borosilicate glass
  • Seals: PTFE

Download

Sight Glasses Datasheet

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