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Dwyer VFA-21 | Visi-Float Acrylic Flowmeter | 0.06-0.5 LPM Air, 2" Scale
Built from clear acrylic, the VFA-21 is a Dwyer Visi-Float flowmeter covering 0.06-0.5 LPM of air on a 2" scale. The VFA-21 is made for gas and liquid applications.
- 5% of full-scale accuracy across the 0.06-0.5 LPM air scale of the VFA-21
- Clear acrylic body and Buna-N O-ring for the VFA-21; fluoroelastomer O-ring available
- VFA-21 process connection: 1/8" female NPT; install vertically
- VFA-21 without valve: 100 psig @ 150°F (65°C), 150 psig @ 100°F (38°C); with valve: 100 psig @ 120°F (48°C)
- Light at 4.0-4.8 oz (0.11-0.14 kg), the VFA-21 meets RoHS II technical requirements
- Specifications
- Features
- Downloads
| Part Number | VFA-21 |
| Brand | Dwyer |
| Series | Visi-Float VFA |
| Range | 0.06-0.5 LPM air |
| Scale Length | 2" (typical) |
| Accuracy | 5% of FS |
| Process Connection | 1/8" female NPT |
| Wetted Materials | Acrylic body; Buna-N O-ring (fluoroelastomer available); float material depends on range |
| Pressure/Temperature Limits | Without valve: 100 psig (6.9 bar) @ 150°F (65°C), 150 psig (10 bar) @ 100°F (38°C); with valve: 100 psig (6.9 bar) @ 120°F (48°C) |
| Mounting | Vertical |
| Weight | 4.0 to 4.8 oz (0.11 to 0.14 kg) |
| Approvals | EU Directive 2011/65/EU (RoHS II) |
- Attractive design with bodies that are cut and precisely machined from transparent, solid acrylic blocks permits full visual examination.
- Improved reading accuracy because to the float's distinct appearance against a smooth white background.
- With direct reading scales that are hot stamped into the plastic, there is no need for difficult conversions, and the product's operational life is extended.
- High repeatability due to tapered bores that are precisely machined.
- Reasonably priced installation with choices for back or end connections and metal mounting inserts that may be directly supported by system pipes.
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