Orifice Plates 

  • Restricting Plate

Orifice plates or restricting plates are used for measuring flow rates by restricting flow through the orifice in the middle of the blind. That precise orifice size causes a consistent pressure drop that can be measured with gauges. Orifice plates are sized for specific applications and can be machined per any specification. Delta’s orifice plates typically have a hole in the handle for tagging.

Common Applications

  • Chemical Industry
  • Energy
  • Oil & Gas Refineries
  • Pulp & Paper

Orifice Plates FAQs

An orifice plate is used to measure flow rate, then reduce the pressure and restrict the flow through the orifice in the middle of the blind.