Daniel Orifice Meter Tubes

Daniel Orifice Meter TubesDaniel™ Orifice Meter Tubes significantly minimize the adverse effects of turbulence on flow measurement accuracy by expertly combining a Daniel orifice fitting (Senior™, Junior™, Simplex™ or Orifice Flange Union) and a flow conditioner or tube bundle with the appropriate upstream and downstream pipe lengths based on end user requirements. 
Built by code-qualified welders with decades of experience, Daniel meter tubes adhere to the hightest quality standards to ensure internal roundness, a smooth, even surface finish, and precise alignment with no steps or offsets for enhanced long-term measurement performance. Pre-assembly at the factory allows for rapid installation to save time and reduce startup costs.


  • Improve long-term accuracy with fabricated solution offering superior internal roundness and a smooth, even surface 
  • Significantly minimize the effects of turbulence with precise alignment that eliminates steps or offsets 
  • Simplify startup and improve long-term use with one .5-in and one .75-in branch connection on the downstream tube 
  • Meet application and/or installation needs with weld fitting and ends that can be beveled, flanged or reduced 
  • Ensure performance in accordance with ASME with optional hydrostatic testing to 1.5 times operating pressure 
  • Rely on thorough testing of tap hole and plate seal integrity following pressure testing 
  • Verify and allow for field compensation using factory-supplied micrometer and internal surface roughness readings
  • Improve durability and extend product life with optional sand-blasted and corrosion-resistant coatings
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