Sight Flow Indicators

Sight Flow Indicators


See-Flo® sight flow indicators show you at a glance, the color, clarity and flow of liquids in process lines. The large tempered glass window permits easy observation of fluid conditions and vane indicator position. The wedge shape of the meter housing makes See-Flo® practically self-cleaning. Where periodic maintenance might be necessary, the window is easily removed and replaced. As this is a sight flow indicator, it does not include a calibrated scale.

  • Water
  • Transparent liquids

Materials of Construction: (wetted parts)

  • Housing: Aluminum, brass or 316 stainless steel
  • Shunt: Housing material or carbon steel
  • Window: Tempered glass
  • Vane: 17-7 ph stainless steel
  • “O” Rings: Buna-n, ethylene propylene, Viton ® or perfluoroelastomer
  •  

  • Piping Connections:
    1 ⁄ 2 " to 1" NPT Female
    1 1 ⁄ 4 "to 4" NPT Male
    1 ⁄ 2 " to 3" Tri-clamp
    1 1 ⁄ 4 " to 6" Grooved
    1 1 ⁄ 4 " to 6" Beveled
    1 ⁄ 2 " to 6" 150#/300# RF/FF ANSI

 

Flanges (carbon stl)

  • 1 ⁄ 2 " to 6" 150# RF ANSI

 

Flanges (stainless steel)

  • 1 ⁄ 2 " to 6" 150#/300# RF ANSI

 

Flanges (aluminum)

  • 1 ⁄ 2 " to 6" 150# FF ANSI

 

Flanges (brass)

  • 15 to 25 mm DIN 2999/BS21/ISO R7

 

Female threaded

  • 15 to 150 mm DIN PN 10 Flanges
  • (316 stainless stl & carbon stl)

 

Pressure Limits:

  • 200 psig (13.8 bar) with glass window
  • 100 psig (6.8 bar) with polycarbonate window

 

Temperature Limits:

  • -23 to 85°C (-10 to 185°F) with polycarbonate window.
  • -23 to 121° C (-10 to 250°F) with buna-n o-ring.
  • -23 to 204°C (-10 to 400 °F) with Viton ®, ethylene propylene or perfluoroelastomer o-ring.
  •  

    • Observe fluid conditions for color, clarity and flow.
    • Repeatable vane indication-same position at same flow rate.
    • This enables the user to mark a normal condition on the ledge below the pointer.
    • Use in horizontal or vertical piping systems.
    • Low pressure loss.
    • Simple design with few parts for long service life.

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