The KROHNE VA40 is a high-precision variable area (VA) flowmeter designed for accurate measurement of low flow rates of liquids and gases. Its compact, all-metal construction and clear mechanical indicator ensure reliable operation in industrial and laboratory applications. Optional limit switches and electronic transmitters are available for process control and monitoring.

Specifications:

• Technology: Variable Area (VA) flow measurement

• Measuring Range: Liquids: 0.1 to 150 l/h, Gases: 5 to 4800 l/h

• Accuracy: ±4% of measured value

• Pressure Rating: Up to 220 bar (model dependent)

• Temperature Range: –40 °C to +200 °C

• Output Options: Mechanical indicator, optional 4–20 mA / HART, limit switches

• Material: Stainless steel or alloy construction

• Protection: IP65 / IP66

• Connection Type: G¼, ¼ NPT, or customized options

• Mounting: Vertical installation

Applications:
Ideal for low-flow measurement in chemical dosing, laboratory systems, purge panels, and industrial process monitoring.

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