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Dwyer VFB-91-EC-SS | Visi-Float Acrylic Flowmeter | 1-10 SCFH Air, 4" Scale, 3% FS
Part number VFB-91-EC-SS is a Dwyer Visi-Float flowmeter scaled 1-10 SCFH air, built around a transparent machined acrylic body and a 4" (102 mm) scale. For throttling at 1-10 SCFH, the series can be specified with an optional precision metering valve.
- Weight: 7.2 to 8.8 oz (0.20 to 0.25 kg)
- Mount in a vertical position
- Meets RoHS II requirements
- Accuracy: 3% of full scale
- Process port: 1/8" female NPT
- With valve: 100 psig (6.9 bar) at up to 120 °F (48 °C)
- Specifications
- Features
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| Part Number | VFB-91-EC-SS |
| Brand | Dwyer |
| Type | Visi-Float Flowmeter |
| Range | 1-10 SCFH air |
| Accuracy | 3% of full scale |
| Scale Length | 4" (102 mm) |
| Process Connection | 1/8" female NPT |
| Wetted Materials | Acrylic body; Buna-N O-ring (fluoroelastomer available); nickel-plated brass metal parts (SS optional); float SS, black glass, aluminium or K monel depending on range |
| Temperature & Pressure Limits | Without valve: 100 psig (6.9 bar) at 150 °F (65 °C) or 150 psig (10 bar) at 100 °F (38 °C); with valve: 100 psig (6.9 bar) at 120 °F (48 °C) |
| Mounting | Vertical |
| Weight | 7.2 to 8.8 oz (0.20 to 0.25 kg) |
| Approvals | RoHS II (EU Directive 2011/65/EU) |
- 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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