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Variable area flowmeters
Variable area flowmeters
Variable Area Flow Meters: Simple Measurement, Reliable Control
Variable area flow meters are practical and versatile instruments for measuring the flow of liquids and gases instantly and without electronics. Valued for their reliability, they provide a simple yet precise visual control of flow, making them ideal for industrial applications, plants, and laboratories.
Based on a proven mechanical principle, they combine ease of use, low operating costs, and durability in a single device.
Variable Area Flow Meters by World Industrial Store
In our catalog, you’ll find a wide selection of variable area flow meters to suit every application need. We offer:
• Models with glass tubes and stainless steel frames, ideal for even aggressive liquids and gases (such as UNIFLUX)
• Compact versions for panel installation, such as the VFA & VFB models
• Options with digital output, by adding an accessory kit to the flow meter – as in the case of the Uniflux model
• Customization options: choose the type of frame and tube that fits your needs
Typical Applications
Our flow meters are used in various industrial and laboratory settings:
• Flow control in chemical and petrochemical plants
• Water treatment and environmental monitoring
• HVAC systems and industrial cooling
• Laboratories and testing
• Food, cosmetics, and pharmaceutical industries
Trust the Experts
World Industrial Store selects high-quality instruments at competitive prices, with fast delivery.
Thanks to partnerships with specialized manufacturers, we ensure reliable solutions designed to deliver consistent performance and operational safety.
Explore our full range of variable area flow meters and find the model that best suits your needs.
Quick Visual Flow Indication
NPT Connection
Easy Installation
1/2″ ~ 2″ Size Range
Select the type of structure, and then separately the measuring tube - Optional regulation valve. - Up to 100 l/min
FOR AIR AND WATER
Low flows. For AIR and WATER. Accuracy ± 5% F.s. for VFA models, ± 3% for VFB. Average length of the scale 2" on the VFA models, 4" on the VFB models.
Accuracy: 2% of full scale. 1" female NPT back connections For WATER up to 75 l/min. Process connection: 1" female NPT back connections. End connections optional.
Platon Plastic Tube VA Flowmeter PGB:Plated brass with Nitrile O-ring seals PGS: Stainless steel with Viton O-ring seals Accuracy: ±5% FSD Connections: 1/2” or 1” BSPP female Temp Max: 80°C
The EZ-View flow meter is a variable-area instrument for WATER. Accuracy within ±5% full scale Repeatability within ±1%
The EZ-View flow meter is a variable-area instrument for OIL.
Accuracy within ±5% full scale
Repeatability within ±1%
Roto-gear valve technology permits full open to close adjustment while maintaining fine flow control of the process media in one valve design. Service: Compatible gases and liquids. Valve: Delrin®;