VA45

Variable area flowmeter for low pressure gas applications

  • Glass tube with easy-to-read scale
  • For use in gas supply lines of furnaces, protective gas or heating systems
  • Flange: DN15…40 / ½…1½"; also NPT, G, hose connection
  • -20…+100°C / -4…+212°F; max. 1 barg / 14.5 psig

VA45

Variable area flowmeter for low pressure gas applications

  • Glass tube with easy-to-read scale
  • For use in gas supply lines of furnaces, protective gas or heating systems
  • Flange: DN15…40 / ½…1½"; also NPT, G, hose connection
  • -20…+100°C / -4…+212°F; max. 1 barg / 14.5 psig

Overview

The VA45 is a glass tube variable area (VA) flow meter for flow measurement of gases at low operating pressures (<1 barg /<14.5 psig). The device is ideally suited for use in gas supply lines of industrial ovens, forges and furnaces or protective gas and heating systems (with process temperatures up to +100°C / +212°F).

  • Simple, low-cost measuring principle without auxiliary power
  • For direct reading of the flow and observation of the medium
  • Full scale value for gases: 2300…75,000 l/h / 85…2790 SCFH
  • Maximum measuring error: ±2.5% (acc. to VDI/VDE 3513-2) or ±2% of full scale
  • Turndown ratio: 10:1

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