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DWYER Flowmeter - VFC Series
Visi-Float® Flowmeters Used to indicate Air or Water Flow
The accurate and durable VFC Visi-FLoat® flowmeter contains a stainless steel guide rod and large diameter float for excellent stability and visibility in high flow rates. The large 5" scale provides a ±2% full scale accuracy for precision measurement required in medical or laboratory applications. The VFC models have PVC 1" female NPT connections. VFC II units are equipped with acetal thermoplastic 1" male NPT fittings. VFC II fittings also include hex wrench flats to prevent stripped threads. All models have metal mounting inserts on the back for panel mounting. Units may also be supported directly by system piping.
How to Order
Series - Range No. - Option
Example: VFC - 123 - EC
Series VFC with 10 - 100 SCFM Air Range and 1" female NPT End Connections
VFC Series
| Model | Description |
| VFC-X | VFC with 1" FNPT Back Connections |
| VFCII-X | VFCII with 1" MNPT Back Connections |
| VFC-X-EC | VFC with 1" FNPT In-Line End Connections |
| VFCII-X-EC | VFCII with 1" MNPT In-Line End Connections |
SPECIFICATIONS
| Service: |
Compatible gases & liquids |
| Wetted Materials: |
|
| Fittings: |
VFC:PVC ; VFCII: Acetal thermoplastic |
| Temperature & Pressure Limits: |
100 psig (6.9bar) @ 120°F (48°C) |
| Accuracy : |
2% of full scale |
| Process Connection: |
VFC:1" female NPT back connections. End Connections optional; VFCII: 1" male NPT back connections. End Connections optional. |
| Scale Length: |
5" typical length |
| Mounting Orientation: |
Mount in vertical position |
| Weight: |
24 to 25 oz (.68 to .71kg) |
Popular Ranges
| Model VFC -- 5"scale | |||
| Range No. | Range SCFM Air | Range No. | Range GPM Water |
| 121 122 123 |
4-25 5-50 10-100 |
141 142 143 |
.5-5 1-10 2-20 |
| LPM Air | LPM Water | ||
| 131 132 133 |
60-700 200-1400 300-2800 |
151 152 153 |
2-20 4-40 10-75 |
- VIT, Fluoroelastomer O-Rings
- FDA, 316 SS Float & Guide Rod (only available on VFCII with fluoroelastomer O-Rings)