Product Overview
VFA-4-BV is a series VF Visi-Float® acrylic flowmeter, a line of direct reading, precision machined, clear acrylic body flowmeter suitable for both gas and liquid applications. The fabrication of the Visi-Float® flowmeters is backed by over 60 years of experience in acrylic instrument machining. Low installation costs with back or end connection options with metal mounting inserts that can be supported directly by system piping. Typical applications include medical equipment, laboratory equipment, air samplers, gas analysers, pollution monitors, chemical injectors, cabinet purging.
- VFA with brass valve
- Flowmeter range from 1-10SCFH air
- Appealing design allows for complete visual inspection with bodies that are cut, precision machined
- Increased reading accuracy with clear visibility of the float on a smooth white background
- Eliminates the need for troublesome conversions
- Increases product operating life with direct reading scales that are hot stamped into the plastic
- High repeatability from precision machined tapered bores
- VFA 2" typical scale length
- Mount in vertical position
- Compatible gases and liquids
Product details
| Sensor Type |
Flowmeter |
| Flow Rate Max |
10SCFH |
| Operating Pressure Max |
100psi |
| Supply Voltage Max |
- |
| Accuracy |
± 5% |
| Process Connection Size |
1/8" |
| Pipe Size |
- |
| Operating Temperature Min |
- |
| Product Range |
Visi-Float VFA Series |
| Port Size |
3.175mm |
| Flow Rate Min |
1SCFH |
| Operating Pressure Min |
- |
| Supply Voltage Min |
- |
| Accuracy % |
5% |
| Media Type |
Air |
| Process Connection Type |
NPT Female |
| Sensor Mounting |
Panel Mount |
| Operating Temperature Max |
48°C |
| SVHC |
No SVHC (04-Feb-2026) |
Other details
| Brand |
DWYER |
| Part Number |
VFA-4-BV |
| Quantity |
Each |
| Technical Data Sheet (1.53MB) EN |
View or download |
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