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OGS can supply Compact Provers, SVP (small volume provers) that use double chronometry pulse interpolation for flow meters (turbine positive displacement, coriolis and liquid ultrasonic meters).

Key industries and applications:

  • Hydrocarbon and chemical processing
  • Pipeline metering terminals
  • Tanker- and barge-loading facilities
  • Refineries and petrochemical plants

Quick Opening Closure

Quick opening closures allow access for inspection and loading/unloading of spheres. The launch chambers are designed between 30 and 90 degree angles depending on applications.

Prover calibrations are made in the field using volume tanks. This water draw method is an industry standard which can be supplied separately or integrated with our prover skids.