Product Description
3–25 LPM Air Acrylic Flowmeter with End Connections – Visi-Float® VFA-25-EC
The Series VF Visi-Float® VFA-25-EC Flowmeter is engineered for precise ultra-low-range air-flow indication in laboratory, medical, and industrial systems where end-connection mounting and compact installation are required.
Machined from solid clear acrylic and fitted with hot-stamped direct-reading scales, this model delivers dependable repeatability, rapid visual confirmation, and long service life in tight piping runs.
Flow Range, Accuracy & Operating Limits
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Air Flow Range: 3–25 LPM
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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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100 PSIG @ 150°F (no valve)
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150 PSIG @ 100°F (no valve)
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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: None (external flow control required)
Process Connections & Mounting
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Connection: 1/8″ Female NPT end connections
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Mounting: Vertical orientation
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Pipe Support: Metal mounting inserts
Typical Applications
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Ultra-low air-flow indication
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Medical systems
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Laboratory instrumentation
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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-25-EC?
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End-connection design simplifies piping
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Direct-reading scale eliminates conversions
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Clear acrylic body allows inspection
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White background improves float visibility
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Precision-machined bore ensures repeatability
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Compact panel footprint
Compliance & Approvals
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RoHS II compliant (EU Directive 2011/65/EU)
Shipping Information
Ships in 1–2 weeks, subject to availability.
