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Dwyer VFCII-121 | Visi-Float Flowmeter | 4-25 SCFM Air, 1" male NPT
The Dwyer VFCII-121 is a Visi-Float® VFC II flowmeter scaled 4-25 SCFM for air, with 1" male NPT acetal thermoplastic back connections. The 4-25 SCFM scale is machined into a transparent acrylic body, and the series is rated for both liquid and gas service.
- Nominal 5" (127 mm) scale; float and metal wetted parts in stainless steel
- O-ring in Buna-N (fluoroelastomer optional); designed for vertical installation
- Weighs 0.68 to 0.71 kg (24 to 25 oz); meets EU Directive 2011/65/EU (RoHS II)
- Optional end connections available; reads to within 2% of full scale
- Specifications
- Features
- Downloads
| Part Number | VFCII-121 |
| Brand | Dwyer |
| Series | Visi-Float® VFC II |
| Range | 4-25 SCFM air |
| Accuracy | 2% of FS |
| Scale Length | 5" (127 mm) typical |
| Process Connection | 1" male NPT back connections (end connections optional) |
| Body Material | Acrylic plastic |
| Float | Stainless steel |
| Fittings | Acetal thermoplastic |
| O-Ring | Buna-N (fluoroelastomer available) |
| Mounting | Vertical |
| Weight | 24 to 25 oz (0.68 to 0.71 kg) |
| Approvals | RoHS II (EU Directive 2011/65/EU) |
- Solid, transparent acrylic blocks are used for the body's cutting and precise machining, enabling thorough visual examination.
- The float is easier to see on a white background, which improves reading accuracy.
- The material has direct reading scales hot stamped onto it, extending the life of the product and removing the need for laborious conversions.
- A very repeatable tapered bore made by precision machining is possible.
- Minimal installation expenses with options for end or back connections.
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