F-452 Polysulfone Molded Flow Meter

F-452 Polysulfone Molded Flow Meter

Pipe sizes 2" F/NPT 2" socket fusion
Flow from
Liquid: 2 to 175 GPM (8 to 675 LPM)
Air: 4 to 240 SCFM (7 to 400 M³/Hr)
High Volume


  • Polysulfone meter body resists high temperatures and pressures.

  • 316SS or Hastelloy rod guided float.

  • Direct reading permanent scale.

  • Adapters and unions engineered for increased protection from misalignment and vibration.

  • Custom calibrations, materials, and Private labeling available.

  • Very low pressure drop.

  • Not recommended for direct sunlight.

  • In-Line (vertical) mount only.

  • Optional polycarbonate splash shield


Max. Working Pressure: 150 psig (10.3 bar) @ 70° F (21° C)
Max. Fluid Temperature: 200° F (93° C) @ 0 PSI
Full Scale Accuracy: +/- 2%
Meter Body Material: Polysulfone
Adapter Material: 2″ F/NPT: Polysulfone

2″ Socket Fusion: Polypropylene or PVDF

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
Approx. Shipping Weight: 5 lb. (2.27 kg)


Liquid (water)

  • 2-20 GPM / 8-78 LPM

  • 6-60 GPM / 30-230 LPM

  • 8-80 GPM / 40-300 LPM

  • 6-100 GPM / 20-380 LPM

  • 20-130 GPM / 80-500 LPM

  • 25-175 GPM / 100-675 LPM

Gas (air)

  • 4-40 SCFM / 7-67 M3/HR

  • 40-240 SCFM / 70-400 M3/HR

Tech. Data Sheet (PDF) (PN 85000-031)
Instruction Manual (PDF) (PN 80000-258)

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