SolveDP sizing and configuration software for DP flow meters FPD801

FPD801 SolveDP sizing and coding software



Differential pressure flow meters. Applying over 100 years of DP flow expertise to industrial processes

Product Brochure



Purgemasters are ideal for applications such as the purging of control lines and instrument enclosures. Their use is easily extended into fluid sampling, liquid specific gravity, level measurement and similar services.


General specifications:

  • Application
    • Clean, low viscosity liquids and gases
  • Mounting
    • Vertically, in line, wall / surface or back of panel
  • Connections
    • 1/4 in. NPT or BSPP female, vertical or horizontal
  • Flow range
    • Water flows: 0.53 to 2200 cm3/min
  • Flow turndown
    • Typically 10:1
  • Operating pressure
    • Up to 18 bar (261 lbf/in 2 g)
  • Operating temperature
    • Up to 120 °C (248 °F)
  • Nominal scale length
    • 38, 76, 125 or 250 mm (11/2, 3, 5 and 10 in.)
  • Accuracy
    • Class 1.6 to Class 10, depending on tube diameter and float type
  • Alarms
    • Proximity sensors, up to 2 off
  • Tube material
    • Glass
  • End connections
    • Brass or 316 stainless steel
  • Float material
    • Glass, Sapphire, Carboly, Tantalum, Stainless steel



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