Orifice Plates

Orifice Plates

Orifice plates are still the most widely used type of flowmeter today, offering;

  • significant cost benefits over other types of flowmeter
  • especially in larger line sizes
  • proved to be rugged, effective and reliable over many years
  • low installation cost
  • turndown of not more than 4:1
  • a very competitive solution
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Not all products are available in all markets.  Please choose your National Spirax Sarco Web Site or Contact Us for further information.

What do I do now?

Find further information on Orifice Plates in the sections below, or get in touch for further assistance.

Contact us for advice from our engineers

  • Help on sizing and selection
  • Arrange a visit
  • Answers & advice on products/applications
  • Obtaining quotes & placing orders
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Technical Information

Use our technical information sheets for a full technical specification of the product. They typically include:

  • Pressure/temperature limits
  • Materials
  • Sizes & connections
  • Dimensions & weights
  • Capacity charts
  • Ordering information
Title Reference Number Issue File Size
PDF Orifice Plate Flowmeters Customer Data Sheet - - 36 KB
PDF Orifice Plate Flowmeters M410 Orifice Plate & Carrier Assembly - - 143 KB
PDF Orifice Plate Flowmeters Orifice Plate Flowmetering System (density compensated) - - 279 KB
PDF Orifice Plate Flowmeters Orifice Plate Flowmetering System (non compensated) - - 87 KB
PDF M410 Orifice Plate Flowmeter and Carrier Assembly TI-P176- 02 4 192 KB
PDF Orifice Plate Flowmeters Customer Data Sheet TI-P176- 04 6 469 KB
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CAD Drawings

CAD drawings enabling you to see exactly how the product is constructed. You can also drop these into your own schematics.

Orifice Plate Flowmeters - CAD Drawings

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Contact us for advice from our engineers

  • Help on sizing and selection
  • Arrange a visit
  • Answers & advice on products/applications
  • Obtaining quotes & placing orders