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Rosemount™ 1496 Orifice Flange Union
The Rosemount 1496 Orifice Flange Union holds orifice plates in place for reliable flow measurement.
This flange union is designed with a threaded tap connection (180-degrees apart) and engineered to withstand high temperatures and pressures of up to ANSI Class 2500#. These flange unions do not require on-site drilling and come with a complete assembly of all necessary hardware, including studs, nuts, jack screws, gaskets and pipe plugs.
Rosemount™ 1496 Orifice Flange Union


Fluid Type
Liquid, gas, steam
Process Wetted Material
304/304L SST, 316/316L SST, DIN 1.4571 (316Ti SST), Alloy C-276, Alloy 400, Carbon Steel
Up to 5-year limited warranty


  • Positions orifice plates appropriately for reliable flow and accurate measurement
  • Threaded tap connection does not require on-site drilling of flange taps for an easy-to-install solution
  • Supplied with all necessary hardware for straightforward installation
  • Available in line sizes up to 24 in. (600 mm) or custom line sizes
  • Adaptable flange union withstands high temperatures and pressures of up to ANSI Class 2500#
  • Meets ASME B16.36 and DIN 19214 part 1 specifications


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