Sight Flow Indicator (Flow Glass)

Sight Flow Indicator (Flow Glass)


Sigma's Sight Flow Indicator (Flow Glass) are designed to facilitate instant visual indication of liquids flowing through pipes even from a distance. Visual inspection and proper control of vital areas are important in processes for proper operation of well-designed plants. These are available in various types such as Flapper, Drip Lip, Full View, Elbow etc. with Double or Single windows in Flanged or Screwed and other end connection. For ease of installation, Flanged Type for sizes 3" and above are preferred.

  • Line Size : Up to 16" / specified
  • Body Material : Carbon Steel / SS 304 / SS 316 / SS 316L, Bronze / Cast Iron (Grade 20 or WCB), PVC / PP / Teflon or specified material / lining / specified
  • Cover Plate : Cast Iron, Steel and Other Materials
  • Flapper / Rotor : SS / Teflon / PVC / PP / Nylon / specified
  • Gasket : Neoprene, Klingerite, Compressed Asbestos, Viton ,Rubber, Teflon, Non Asbestos, Spiral Wound, Grafoil etc
  • Glass : Toughened Soda Lime Glass (Temperature 0 upto 150oC) Oil Tempered or Toughened 0 Borosilicate (Temperature up to 300oC)
  • Connection : Flanged Type - ANSI, BS, DIN JIS Standard or Screwed Type - NPT, BSP, BSPT, API or Metric Thread
  • Optional : High Temperature Jacketed Types, Frost Shield, Illuminator etc

  • Simple and Rugged in Construction
  • Easy Installation
  • Customized Material Mix
  • Process Connection Extend to a Wide Range of Sizes
  • Variety of Models to Choose From
  • Clear Visual Indication Even From a Distance
  • Special Coatings For Specific Application

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