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Sight Flow Indicators
Sight Flow Indicators
Sight flow indicators and sight glasses cater to general as well as specialised usage in process industries. The general types are double window, full view and inspection glasses; for specialised use to suit various fluid and flow characteristics, they are made in models such as plain type, drip type, flapper type, rotating wheel type and angle type. They are rigidly construction and corrosion resistant. Toughened glasses are thermal shock tested as per BS 3463/1962. Process borosilicate glasses are stress relieved to undertake the piping strains and avoid breakage. Available for working pressure of 200 kg/cm² and temperature of 400°C in materials such as CS, CI, brass, GM, SS 304/316, alloy?20, PVC, HDP, etc. For highly corrosive application sight flow indicators are manufactured with rubber lead or Teflon lining. Glass cleaning arrangement is provided as optional feature. Sizes raging from ½†to 2" in screwed end connection BSP, NPT, IS?554 and ½†to 8" in flanged connection ANSI, DIN, BS, IS and JIS depending on the process application. Also available with cooling/heating jackets.
