Product Description
0.1–1 SCFH Air Acrylic Flowmeter – Visi-Float® VFA-1-BV with Integrated Brass Valve
The Series VF Visi-Float® VFA-1-BV Flowmeter is designed for ultra-low airflow measurement and manual control in laboratory, analytical, and medical systems where precise adjustment is required directly at the instrument.
This compact acrylic rotameter incorporates a built-in brass metering valve, hot-stamped direct-reading scales, and a precision-machined tapered bore to provide dependable micro-flow regulation in panel-mounted and OEM sampling assemblies.
Flow Range, Accuracy & Operating Limits
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Air Flow Range: 0.1–1 SCFH
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Scale Length: 2 in
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Accuracy: ±5% F.S. (VFA models)
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Service: Compatible gases & liquids
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Mounting Orientation: Vertical only
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Pressure / Temperature Limits:
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Without valve:
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100 PSIG @ 150°F
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150 PSIG @ 100°F
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With valve:
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100 PSIG @ 120°F
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Construction & Wetted Materials
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Body: Clear acrylic
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O-Rings: Buna-N (fluoroelastomer optional)
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Metal Parts: Nickel-plated brass
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Float: Stainless steel / glass / aluminum (range-dependent)
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Valve: Integrated brass metering valve
Process Connections & Mounting
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Process Port: 1/8″ Female NPT
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Mounting: Vertical orientation
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Pipe Support: Metal mounting inserts
Typical Applications
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Ultra-low airflow regulation
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Laboratory instrumentation
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Medical systems
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Air samplers
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Gas analyzers
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Pollution monitoring
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Chemical injection
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Cabinet purging
Why Choose the Visi-Float® VFA-1-BV?
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Integrated brass valve for on-instrument flow control
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SCFH-calibrated scale for micro-flow precision
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Direct-reading scale eliminates conversion charts
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Clear acrylic body allows instant inspection
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Precision-machined bore ensures repeatability
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Compact footprint for panel installations
Compliance & Approvals
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RoHS II compliant (EU Directive 2011/65/EU)
Shipping Information
Ships in 1–2 business days, subject to availability.
