Polysulfone Molded Rotameters by Blue-White Industries

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
  
  Liquid Ranges:
  • .025-.250 GPM/.1-1 LPM  (PDF file size 24k)
  • .1-1 GPM/.4-4 LPM  (PDF file size 24k)
  • .2-2 GPM/1-7.5 LPM  (PDF file size 24k)
  • .3-3 GPM/1-11 LPM  (PDF file size 24k)
  • .5-5 GPM/2-20 LPM  (PDF file size 24k)

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
  
  Liquid Ranges:
  • .025-.250 GPM/.1-1 LPM  (PDF file size 24k)
  • .1-1 GPM/.4-4 LPM  (PDF file size 24k)
  • .2-2 GPM/1-7.5 LPM  (PDF file size 24k)
  • .3-3 GPM/1-11 LPM  (PDF file size 24k)
  • .5-5 GPM/2-20 LPM  (PDF file size 24k)

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
  
  Liquid (water)
  • 0.5-6 GPM/2-22 LPM
  • 1-10 GPM/4-40 LPM
  • 2-20 GPM/6-76 LPM
  • 3-30 GPM/10-115 LPM
  • 4-40 GPM/15-155 LPM

  Gas (air)

  • 4-40 SCFM/7-70 M3/HR
  • 8-80 SCFM/15-140 M3/HR

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
  
  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  (PDF)
  • 40-240 SCFM/70-400 M3/HR  (PDF)