Blue-White Rotameters

Blue-White F400N and F420N Series
F400N and F420N Series

Pipe sizes: 1/4", 3/8" and 1/2" F/NPT

Flow from: 0.025 to 5 GPM (0.1 to 20 LPM)

  • Durable, highly polished, one piece meter body.
  • Annealed for added strength and chemical resistance.
  • Acceptable for outdoor installations (acceptable in direct sunlight)
  • Direct reading permanent scale.
  • White back reflector for easy reading.
  • Standard 316 stainless floats and guide rods, optional Hastelloy-C for more corrosive environments.
Blue-White F430N Series
 F430N Series

Pipe sizes: 1 1/2" and 2" female NPT fittings

Flow from: 4 to 100 GPM (15 to 375 LPM)

  • Durable, highly polished, one piece meter body.
  • Annealed for added strength and chemical resistance.
  • Acceptable for outdoor installations (acceptable in direct sunlight)
  • Direct reading permanent scale.
  • White back reflector for easy reading.
  • Standard 316 stainless floats and guide rods, optional Hastelloy-C for more corrosive environments.
Blue-White F440 In-Line Series
Blue-White F440 In-Line Series

Pipe sizes: 3/8" , 1/2" , 3/4" male NPT

Flow from: .025 to 5 GPM (0.1 to 37.5 LPM)

  • Tough Polysulfone meter body resists high temperatures and pressures
  • Compact size for tight installation spaces
  • 2” scale length
  • In-line or panel mount configurations available (for vertical installation)
  • Optional integral flow adjustment valve
  • Standard Models: 316 SS guide rod
  • K-Series: Hastelloy C guide rod (for corrosive environments)
  • Optional: SolarMeter® Brass Adapters
Blue-White F451 Series High Volume Flowmeter
F451 Series High Volume Flowmeter

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

Flow from: Liquid: 0.5 to 40 GPM (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” M/NPT panel mount units.
  • 1” F/NPT and 1” sweat brass units.
Blue-White F452 Series High Volume Flowmeter
F452 Series High Volume Flowmeter

Pipe sizes: 2" F/NPT 2" socket fusion

Flow from: 2 to 175 GPM (8 to 675 LPM)

  • 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