F-440, F-450, F-451, and F-452N

• Water Ranges

  • 0.025 to 175 GPM

• Air Ranges

  • 1 - 240 SCFM

• Injection molded, chemical resistant Polysulfone

• Easy to read scale. Silkscreened with black ink for optimum contrast

• Direct exposure to sunlight is not recommended

F-440

• Pipe sizes
  • 3/8" , 1/2" , 3/4" male NPT
• Flow from
  • .025 to 5 GPM
• In-Line (vertical) and panel mount (90° elbows) connections aval.
• Optional flow control needle valve.
• Tech. Data Sheet PDF
• Instruction Manual PDF  (PN 80000-048)
• Direct Reading Scales

F-450

• Pipe sizes
  • 3/8" , 1/2" , 3/4" male NPT
• Flow from
  • 0.1 to 10 GPM
• In-Line (vertical) and panel mount (90° elbows) connections aval.
• Optional flow control needle valve.
• Tech. Data Sheet PDF
• Instruction Manual PDF  (PN 80000-060)
• Direct Reading Scales

F-451

• Pipe sizes
  • 1" , 1-1/2" female NPT
• Flow from
  • .5 to 40 GPM  /  2 to 155 LPM (liquid)
  • 4 to 80 SCFM  /  7 to 140 M3/HR (Gas)
• In-Line (vertical) mount only.
• Polycarbonate shield available
• Tech. Data Sheet PDF
• Instruction Manual PDF  (PN 80000-247)
• Direct Reading Scales

F-452N

• Pipe sizes
  • 2 inch Female pipe threads. Matl = Polysulfone or PVC
  • 2 inch Socket Fusion. Matl = Polypropylene or PVDF
• Flow from
  • 2 to 175 GPM / 8 to 675 LPM (liquid)
  • 4 to 240 SCFM / 7 to 400 M3/HR (Gas)
• In-Line (vertical) mount only.
• Polycarbonate shield available
• Tech. Data Sheet PDF
• Instruction Manual PDF  (PN 80000-258)
• Direct Reading Scales