The KROHNE DK46/47/48/800 is a precision variable area (VA) flowmeter designed for accurate measurement of extremely low flow rates of liquids and gases. Featuring a glass tube with an analogue scale, it offers a compact design suitable for sample flow monitoring in analyser systems, gas chromatographs, and laboratory applications. The flowmeter includes a built-in needle control valve for flow adjustment and optional limit switches for process monitoring.

Specifications:

• Technology: Variable Area (VA) flow measurement

• Measuring Range:

  • Liquids: ≥0.04 l/h (≥0.1 GPH)

  • Gases: ≥5 Nl/h (≥0.22 SCFH)

• Accuracy:

  • DK46: ±4.0% of measured value

  • DK47: ±2.5% of measured value

  • DK48: ±1.0% of measured value

• Pressure Rating: Up to 10 barg (145 psig)

• Temperature Range: –5 °C to +100 °C (+23 °F to +212 °F)

• Materials:

  • Housing: Stainless steel

  • Tube: Glass

• Process Connections: G and NPT threads; other options available upon request

• Mounting Options: Panel mounting with blinds and supports available

• Additional Features:

  • Built-in needle control valve for flow adjustment

  • Optional limit switches for process monitoring

  • SIL 2 certified for safety integrity

Applications:

Ideal for measuring and adjusting low flow rates of liquids and gases in various applications, including:

• Sample flow monitoring in analyser systems

• Gas chromatographs

• Laboratory and pilot installations

• Purge panels and similar applications

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