Blue-White Rotameters
Blue-White F400N and F420N Series
SKU
F40250LN4
Gpm
.025 - .250
Adapter Material
PVC
Float Material
PVDF
Body Material
Acrylic
Mounting Config
Inline
Size
1/4" FPT
Type
General Purpose Rotameters
Price
$122.15
SKU
F40250LN6
Gpm
.025 - .250
Adapter Material
PVC
Float Material
PVDF
Body Material
Acrylic
Mounting Config
Inline
Size
3/8" FPT
Type
General Purpose Rotameters
Price
$122.15
SKU
F40375LN6
Gpm
0.1 - 1.0
Adapter Material
PVC
Float Material
PTFE
Body Material
Acrylic
Mounting Config
Inline
Size
3/8" FPT
Type
General Purpose Rotameters
Price
$122.15
SKU
F40375LN8
Gpm
0.1 - 1.0
Adapter Material
PVC
Float Material
PTFE
Body Material
Acrylic
Mounting Config
Inline
Size
1/2" FPT
Type
General Purpose Rotameters
Price
$122.15
SKU
F40376LN6
Gpm
0.2 - 2.0
Adapter Material
PVC
Float Material
316SS
Body Material
Acrylic
Mounting Config
Inline
Size
3/8" FPT
Type
General Purpose Rotameters
Price
$122.15
SKU
F40376LN8
Gpm
0.2 - 2.0
Adapter Material
PVC
Float Material
316SS
Body Material
Acrylic
Mounting Config
Inline
Size
1/2" FPT
Type
General Purpose Rotameters
Price
$122.15
SKU
F40377LN8
Gpm
0.3 - 3.0
Adapter Material
PVC
Float Material
316SS
Body Material
Acrylic
Mounting Config
Inline
Size
1/2" FPT
Type
General Purpose Rotameters
Price
$122.15
SKU
F40500LN6
Gpm
0.5 - 5.0
Adapter Material
PVC
Float Material
316SS
Body Material
Acrylic
Mounting Config
Inline
Size
3/8" FPT
Type
General Purpose Rotameters
Price
$122.15
SKU
F40500LN8
Gpm
0.5 - 5.0
Adapter Material
PVC
Float Material
316SS
Body Material
Acrylic
Mounting Config
Inline
Size
1/2" FPT
Type
General Purpose Rotameters
Price
$122.15
SKU
F40750LN12
Gpm
1.0 - 10
Adapter Material
PVC
Float Material
316SS
Body Material
Acrylic
Mounting Config
Inline
Size
3/4" FPT
Type
General Purpose Rotameters
Price
$245.23
SKU
F40750LN16
Gpm
1.0 - 10
-
Float Material
316SS
Body Material
Acrylic
Mounting Config
Inline
Size
1" FPT
Type
General Purpose Rotameters
Price
$245.23
SKU
F41000LN12
Gpm
2.0 - 20
Adapter Material
PVC
Float Material
316SS
Body Material
Acrylic
Mounting Config
Inline
Size
3/4" FPT
Type
General Purpose Rotameters
Price
$245.23
SKU
F41000LN16
Gpm
2.0 - 20
Adapter Material
PVC
Float Material
316SS
Body Material
Acrylic
Mounting Config
Inline
Size
1" FPT
Type
General Purpose Rotameters
Price
$245.23
SKU
F42040LN
Gpm
8.0 - 40
Adapter Material
PVC
Float Material
316SS
Body Material
Acrylic
Mounting Config
Inline
Size
1-1/2" MPT
Type
General Purpose Rotameters
Price
$349.38
SKU
F42050LN
Gpm
10.0 - 50
Adapter Material
PVC
Float Material
316SS
Body Material
Acrylic
Mounting Config
Inline
Size
1-1/2" MPT
Type
General Purpose Rotameters
Price
$349.38
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
SKU
F43040LNS24
Gpm
4.0 - 40
Adapter Material
PVC
Float Material
316SS
Body Material
Acrylic
Mounting Config
Inline
Size
1-1/2" FPT
Type
General Purpose Rotameters
Price
$908.03
SKU
F43060LNS24
Gpm
6.0 - 100
Adapter Material
PVC
Float Material
316SS
Body Material
Acrylic
Mounting Config
Inline
Size
1-1/2" FPT
Type
General Purpose Rotameters
Price
$908.03
SKU
F43080LNS
Gpm
8.0 - 80
Adapter Material
PVC
Float Material
316SS
Body Material
Acrylic
Mounting Config
Inline
Size
2" FPT
Type
General Purpose Rotameters
Price
$908.03
SKU
F43080LNS24
Gpm
8.0 - 80
Adapter Material
PVC
Float Material
316SS
Body Material
Acrylic
Mounting Config
Inline
Size
1-1/2" FPT
Type
General Purpose Rotameters
Price
$908.03
SKU
F43100LNS
Gpm
20 - 100
Adapter Material
PVC
Float Material
316SS
Body Material
Acrylic
Mounting Config
Inline
Size
2" FPT
Type
General Purpose Rotameters
Price
$908.03
SKU
F43100LNS-24
Gpm
20 - 100
Adapter Material
PVC
Float Material
316SS
Body Material
Acrylic
Mounting Config
Inline
Size
1-1/2" FPT
Type
General Purpose Rotameters
Price
$908.03
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
SKU
F44250L6
Gpm
.025 - .250
Adapter Material
Polysulfone
Float Material
PVDF
Body Material
Polysulfone
Mounting Config
Inline
Size
3/8" MPT
Type
Polysulfone Rotameters
Price
$122.15
SKU
F44250L8
Gpm
.025 - .250
Adapter Material
Polysulfone
Float Material
PVDF
Body Material
Polysulfone
Mounting Config
Inline
Size
1/2" MPT
Type
Polysulfone Rotameters
Price
$122.15
SKU
F44375L6
Gpm
0.1 - 1.0
Adapter Material
Polysulfone
Float Material
316SS
Body Material
Polysulfone
Mounting Config
Inline
Size
3/8" MPT
Type
Polysulfone Rotameters
Price
$122.15
SKU
F44375L8
Gpm
0.1 - 1.0
Adapter Material
Polysulfone
Float Material
316SS
Body Material
Polysulfone
Mounting Config
Inline
Size
1/2" MPT
Type
Polysulfone Rotameters
Price
$122.15
SKU
F44376L6
Gpm
0.2 - 2.0
Adapter Material
Polysulfone
Float Material
316SS
Body Material
Polysulfone
Mounting Config
Inline
Size
3/8" MPT
Type
Polysulfone Rotameters
Price
$122.15
SKU
F44376L8
Gpm
0.2 - 2.0
Adapter Material
Polysulfone
Float Material
316SS
Body Material
Polysulfone
Mounting Config
Inline
Size
1/2" MPT
Type
Polysulfone Rotameters
Price
$122.15
SKU
F44500L6
Gpm
0.5 - 5.0
Adapter Material
Polysulfone
Float Material
316SS
Body Material
Polysulfone
Mounting Config
Inline
Size
3/8" MPT
Type
Polysulfone Rotameters
Price
$122.15
SKU
F44500L8
Gpm
0.5 - 5.0
Adapter Material
Polysulfone
Float Material
316SS
Body Material
Polysulfone
Mounting Config
Inline
Size
1/2" MPT
Type
Polysulfone Rotameters
Price
$122.15
SKU
F44750L8
Gpm
1.0 - 10
Adapter Material
Polysulfone
Float Material
316SS
Body Material
Polysulfone
Mounting Config
Inline
Size
1/2" MPT
Type
Polysulfone Rotameters
Price
$141.07
SKU
F44750L12
Gpm
1.0 - 10
Adapter Material
Polysulfone
Float Material
316SS
Body Material
Polysulfone
Mounting Config
Inline
Size
3/4" MPT
Type
Polysulfone Rotameters
Price
$141.07
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

SKU
F451001LHN
Gpm
1.0 - 10
Adapter Material
PVC
Float Material
316SS
Body Material
Polysulfone
Mounting Config
Inline
Size
1" FPT
Type
Polysulfone Rotameters
Price
$472.48
SKU
F451001LHN24
Gpm
1.0 - 10
Adapter Material
PVC
Float Material
316SS
Body Material
Polysulfone
Mounting Config
Inline
Size
1-1/2" FPT
Type
Polysulfone Rotameters
Price
$472.48
SKU
F451002LHN
Gpm
2.0 - 20
Adapter Material
PVC
Float Material
316SS
Body Material
Polysulfone
Mounting Config
Inline
Size
1" FPT
Type
Polysulfone Rotameters
Price
$472.48
SKU
F451002LHN24
Gpm
2.0 - 20
Adapter Material
PVC
Float Material
316SS
Body Material
Polysulfone
Mounting Config
Inline
Size
1-1/2" FPT
Type
Polysulfone Rotameters
Price
$472.48
SKU
F451003LHN
Gpm
3.0 - 30
Adapter Material
PVC
Float Material
316SS
Body Material
Polysulfone
Mounting Config
Inline
Size
1" FPT
Type
Polysulfone Rotameters
Price
$472.48
SKU
F451003LHN24
Gpm
3.0 - 30
Adapter Material
PVC
Float Material
316SS
Body Material
Polysulfone
Mounting Config
Inline
Size
1-1/2" FPT
Type
Polysulfone Rotameters
Price
$472.48
SKU
F451004LHN
Gpm
4.0 - 40
Adapter Material
PVC
Float Material
316SS
Body Material
Polysulfone
Mounting Config
Inline
Size
1" FPT
Type
Polysulfone Rotameters
Price
$472.48
SKU
F451004LHN24
Gpm
4.0 - 40
Adapter Material
PVC
Float Material
316SS
Body Material
Polysulfone
Mounting Config
Inline
Size
1-1/2" FPT
Type
Polysulfone Rotameters
Price
$472.48
SKU
F451006LHN
Gpm
0.5 - 6.0
Adapter Material
PVC
Float Material
Teflon
Body Material
Polysulfone
Mounting Config
Inline
Size
1" FPT
Type
Polysulfone Rotameters
Price
$472.48
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
SKU
F452060LHN
Gpm
6.0 - 60
Adapter Material
Polysulfone
Float Material
316SS
Body Material
Polysulfone
Mounting Config
Inline
Size
2" FPT
Type
Polysulfone Rotameters
Price
$832.29
SKU
F452080LHN
Gpm
8.0 - 80
Adapter Material
Polysulfone
Float Material
316SS
Body Material
Polysulfone
Mounting Config
Inline
Size
2" FPT
Type
Polysulfone Rotameters
Price
$832.29
SKU
F452100LHN
Gpm
6.0 - 100
Adapter Material
Polysulfone
Float Material
316SS
Body Material
Polysulfone
Mounting Config
Inline
Size
2" FPT
Type
Polysulfone Rotameters
Price
$832.29
SKU
F452130LHN
Gpm
20 - 130
Adapter Material
Polysulfone
Float Material
316SS
Body Material
Polysulfone
Mounting Config
Inline
Size
2" FPT
Type
Polysulfone Rotameters
Price
$832.29
SKU
F452175LHN
Gpm
25 - 175
Adapter Material
Polysulfone
Float Material
316SS
Body Material
Polysulfone
Mounting Config
Inline
Size
2" FPT
Type
Polysulfone Rotameters
Price
$832.29
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