Product Description
Low-Range Air Flowmeter for Analyzer & Sampling Panels
The Series VF Visi-Float® Acrylic Flowmeter – Model VFA-3-EC is a precision low-flow air rotameter designed for laboratory benches, gas analyzer panels, and air-sampling systems that require durable standard metal plumbing connections without the cost of stainless upgrades.
With a 0.6–5 SCFH air range and compact 2-inch scale, this configuration provides stable visual flow indication in controlled environments where nickel-plated brass end connections deliver reliable service life and easy installation.
Built from solid acrylic and manufactured using decades of machining expertise, the VFA-3-EC combines dependable measurement performance with economical panel integration.
Optimized for Panel Plumbing & Routine Gas Service
This model includes:
• standard nickel-plated brass end connections
• ultra-low air-flow measurement
• precision-machined tapered bore
• hot-stamped direct-reading scale
• white background for quick float visibility
• solid acrylic inspection body
• vertical-mount orientation
Typical Applications
• gas analyzer systems
• laboratory instrumentation
• air samplers
• cabinet purge lines
• pollution monitoring equipment
• chemical injection panels
• medical gas benches
• research setups
Key Specifications – VFA-3-EC
• Flow range: 0.6–5 SCFH (air)
• Scale length: 2 in (51 mm)
• Valve: None (external control required)
• End connections: Nickel-plated brass
• Accuracy: ±5% FS
• Process connection: 1/8″ FNPT
• Body: Acrylic
• O-rings: Buna-N (optional fluoroelastomer)
• Float: SS / glass / aluminum (range dependent)
• Pressure rating: 100 psig @ 150°F
• Mounting: Vertical
• Compliance: RoHS II
Why Engineers Choose Standard End-Connection Models
• cost-effective installation
• analyzer-panel friendly
• dependable brass fittings
• low maintenance
• stable low-range measurement
• compact footprint
• quick deployment
Shipping & Availability
Typical ship time: 1–2 days, subject to stock.
