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)

Search This Site

(Search by Product Type i.e. Level or Brand Name i.e. Walchem)


About Us

Metex Corporation Limited has been providing superior products and services to the process control, chemical treatment, waste water, industrial and manufacturing industries for over 25 years. It is our goal to continually provide our customers with the best possible equipment, technology, and service.


Our Products

Dataloggers, sensors, pumps, recorders, hand held instruments, flow instrumentation, level controls, valves, instrumentation, containers, tanks, transmitters, data loggers, digital indicators, mixers and agitators, pressure intrumentation, analyzers and controllers for a variety of industrial applications such as water quality, pH/ORP and more.

Website Content

Water Analyzers and Controllers, Wireless Products, Corrosion Monitoring Equipment, Cooling Tower and Boiler Controllers, a wide variety of Pumps, Valves, Dataloggers and Recorders, HVAC, Instrumentation, Skids and Systems, Containers and Tanks from world leading manufacturers are products you will find on this site.

Get in Touch