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Indicators

Sight Flow Indicator

Paddle Sight Flow Indicator

FEATURES/BENEFITS:

  • 360° View Indication
  • High Temperature - 400°F
  • Mounts in Orientation
  • Low Flow From <10 GPH to High Flow 150 GPM
  • 316L Stainless Steel or Bronze Construction
  • Works with Clear, Dark, or Opaque Fluids
  • APPLICATIONS: Water, Sea Water, DI Water, Oils, Coolants, Solvents, Corrosives, Air, Gases, and Liquids.

GENERAL DESCRIPTION:

For use in applications of:
Water, oil, synthetic oil, hydraulic oil, coolants, paint, solvents, corrosives, air, and gases.

SIGHT FLOW INDICATORS

LOW COST ENTRY LEVEL FLOW INDICATION

SERIES SFB and SFP meets the needs of simple flow applications. Either the Rising Ball or Paddle Style will satisfy most application needs when calibrated flow indicators are not required. Constructed from high quality materials these in-line indicators are suitable for many applications including water, oil, chemicals, air and gases.

HOW THEY WORK:

SERIES SFB – In a no flow condition the white PTFE ball remains seated in the body socket. As the flow rises the ball will lift out of the socket becoming visible. It will continue to rise and move freely in the dome as the flow rate increases. To be effective, the indicators must be mounted on a horizontal plane with the glass dome positioned upwards.

SERIES SFP – The paddle begins to rotate indicating that flow is present. The SFP style can be mounted both horizontal and vertical, offering bi-directional flow indication with low pressure losses.

SERIES:

  • SFB = Ball Style
  • SFP = Paddle Style

BORE SIZE:

  • .250 = 1/4″
  • .375 = 3/8″
  • .500 = 1/2″
  • .750 = 3/4″
  • 1.00 = 1′
  • 1.25 = 1-1/4″ SFB Only
  • 1.50 = 1-1/2″ SFB Only

CONNECTION:

  • N=NPT
  • B=BSP

BODY MATERIAL:

  • SS = Stainless Steel
  • B = Brass

Technical Data

Type Series SFB – Ball Series SFP – Paddle
Medium Liquids, Air, & Gases
Pressure 232 PSI/16 Bar
Temperature 400°F / 200°C
Connections NPT(F) taper and BSP(F) parallel

Materials

Ball White PTFE Teflon  
Paddle   Yellow PPS Plastic
Body Stainless Steel (ANC4B) or Bronze (LG2)
Clamp Ring Stainless Steel or Bronze (matches body)
Glass Dome Annealed Borosilicate
0-Ring Viton
Gasket Klingersil (C-4400)
Fasteners Stainless Steel

tech_data

Technical Data/Dimensions

Size Min. Flow-Liquid
Gals/Minute
Pressure Drop
2m/sec.
Weight A B C D
Inch SFB SFP SFB SFP Lbs. mm mm mm mm
1/4 .02 .18 0.13 0.14 0.72 76 63 79 65
3/8 .02 .21 0.16 0.16 0.69 76 63 79 65
1/2 .02 .26 0.19 0.22 0.65 76 63 79 65
3/4/td> .63 .31 0.16 0.19 1.30 89 63 95 83
1 .71 .40 0.40 0.50 1.25 89 63 95 83
1-1/4 2.9 0.20 2.50 117 75 125
1-1/2 4.2 0.23 2.35 117 75 125
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