The Bopp & Reuther Series Flowal Plus OD oval gear flow meter from HMA Instrumentation is a versatile flow meter for measuring the volume of liquids in mechanical engineering, factory automation and process instrumentation, such as industrial fluids, chemical fluids, mineral oils and fuels. The modular design combines reliable mechanical sensors with modern electronics. The plastic version is suitable for measuring the volume of corrosive liquids, acids, alkalis, solvents and dyes.

Features include:

  • Oval wheel meters for low to mid viscosity liquids
  • A battery-powered model available
  • Low pressure loss
  • Single-case meter design
  • No straight inlet and outlet pipe sections required
  • The measuring principle is independent of the viscosity
  • Easy start-up
  • Maintenance-free
  • Plastic version: no wetted metal parts and low weight
  • Built-in temperature sensor
  • Battery-supplied compact devices
  • Detection of flow direction

Technical data:

  • Nominal size: G1/4″”, G1/2″”, G3/4″”, G1″”, G2″”
  • Flanges DN15, DN25, DN50
  • Flanges: ½””, 1″”, 2″”,
  • Process connection inside threads according to ISO 288
  • Flanges according to DIN or ANSI
  • The material is pressure relevant: Stainless steel, aluminium, PVDF, PP
  • Other wetted parts: PEEK, stainless steel
  • Flow range: 0.03 litres/min to 660 litres/min
  • Accuracy: ± 0.25% to ± 0.5%
  • Repeatability: ± 0.02%
  • Viscosity: 0.3 to 3.000 mPa
  • Process temperature range: –40°C up to 130°C
  • Process pressure: Up to 68 bar
  • Ex protection: Intrinsically safe (ATEX or IEC-Ex)