F-451 Polysulfone Flowmeter

Panel Mount, Sheild, and Brass Adapters Available

Pipe sizes: 1″ female (Polysulfone) 1-1/2″  female (PVC)

Flow from: Liquid: 2 to 155 LPM


  • Polysulfone meter body resists high temperatures and pressures.
  • 316 SS, PTFE or Hastelloy rod guided float.
  • Direct reading permanent scale.
  • Not recommended for direct sunlight.
  • Available OEM options: Private labeling, custom calibrations and custom materials.
  • In-Line (vertical) mount only.
  • Polycarbonate shield available.

Adapter Options:

  • 1” and 1-1/2” Inline units.
  • 1” Male panel mount units.
  • 1” Female and 1” sweat brass units.

Panel Mount, Sheild, and Brass Adapters Available

Pipe sizes: 1″ female (Polysulfone) 1-1/2″  female (PVC)

Flow from: Liquid: 2 to 155 LPM


Max. working pressure:
150 psig (10.3 bar) @ 21° C
Standard Models, 1” pipe: 100° C @ 0 PSI
Max. fluid temperature:Standard Models, 1½” pipe: 54° C @ 0 PSI
SolarMeter®: 115° C @ 0 PSI
Full scale accuracy:
+/- 3%
Meter Body Material:Polysulfone
Adapter Material:Standard Models, 1” pipe: Polysulfone
Standard Models, 1½” pipe: PVC
SolarMeter®: Brass
Union Nuts:Glass fiber reinforced Nylon
Guide Rod Material:
316 SS or Hastelloy C-276
O-ring Material:FKM (Optional EP)
Max Pressure Drop: 2 PSI
Approximate shipping wt:3 lb. (1.36 kg)