Blue-White Rotameters

Blue-White F300 Series
Blue-White F300 Series

Pipe sizes: 1″, 1¼″, 1½″, 2″, 2½″, 3″, 4″, 6″, 8″ 

Flow from: 4 to 2200 GPM (15 to 8330 LPM)

  • NSF 50 LISTED 1”, 1.25”, 1.5”, 2” (L2), 2.5”, 3”, 4”, 6”, and 8″ (L3) – Horizontal flow only
  • Well suited for closed pipe installations
  • Easy to read dual scale (SCH 40 / SCH 80), screen printed on both sides of the meter body
  • Acceptable for outdoor installations (direct sunlight okay)
  • Pitot Tube (impact tube) design makes it easy to install on existing pipe
  • One piece, machined acrylic meter body
  • Included SS clamps and gasket seal
  • For use on PVC or Copper Pipes (refer to literature

*Flow switch not included

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 Adjustable Panel Mount
F440 Adjustable Panel Mount

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 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