Fully Integrated Differential Pressure Flowmeters!


The new Orange Research Differential Pressure Flowmeters are compact and rugged, with directly connected, large throated, non-clogging flow nozzles.  This unique design reduces size and cost while minimizing errors and leaks.

Simply select the flow rate and material, and you are set.  There is no need to choose a primary flow element, a differential pressure gauges, and then piping.  Ordering, installation and maintenance is simplified.  Everything is in one compact package.

  • Large, rugged flow nozzle
  • Bright 3.5″ dial
  • 1/2″, 1″ and 2″ NPT ports
  • Brass, stainless steel or aluminum bodies
  • New PVC version available
  • Long life, wear-resistant design
  • Easy to read from a distance
  • Low pressure drop
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