Since the release of the first positive displacement flowmeters to Japan market in 1949, OVAL has been developing and producing wide range of flowmeters, related products and system products.

Applications of these products have been extended to variou processes in the industries and the products earned high reliability from customers. Utilizing accumulated know-how as valuable


  • Positive displacement flowmeters.
  • Coriolis flowmeters.
  • Vortex flowmeters.
  • Thermal mass flowmeters.
  • Turbine flowmeters.
  • Meter provers.

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