Blue-White Rotameters
Blue-White F400N and F420N Series
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
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 Panel Mount F550 Series

Pipe sizes: 1/4", 3/8", 3/4" and 1" male NPT 1/2" hose barb
Flow from: 0.025 to 20 GPM (0.1 to 75 LPM)
- Durable, highly polished, one piece meter body.
- Annealed for added strength and chemical resistance.
- Acceptable for outdoor installations (acceptable in direct sunlight)
- Bulkhead nuts attach directly to inside panel.
- Optional adjustable flow control: needle-type adjustment valve.
- Direct reading permanent scale.
- White back reflector for easy reading.
- 316 stainless, PTFE or Hastelloy floats and float guides.
Adapter Options:
- 1/4″, 3/8″, 3/4″, 1″ Male NPT
- 1/2″ Hose Barb
Blue-White Panel Mount F550A Series
Pipe sizes: 1/4", 3/8", 3/4" and 1" male NPT 1/2" hose barb
Flow from: 0.025 to 20 GPM (0.1 to 75 LPM)
- Durable, highly polished, one piece meter body.
- Annealed for added strength and chemical resistance.
- Acceptable for outdoor installations (acceptable in direct sunlight)
- Bulkhead nuts attach directly to inside panel.
- Optional adjustable flow control: needle-type adjustment valve.
- Direct reading permanent scale.
- White back reflector for easy reading.
- 316 stainless, PTFE or Hastelloy floats and float guides.
Adapter Options:
- 1/4″, 3/8″, 3/4″, 1″ Male NPT
- 1/2″ Hose Barb