OFA

Orifice Flange Assemblies

An Orifice Flange Assembly is a convenient way of making an orifice device an integral part of your pipework but without the need to drill the pipe for the tapping points. It is designed to be mounted by being welded to the pipe and comprises of an orifice plate, a pair of flanges with integral tappings, nuts, bolts, gaskets and jacking bolts (to assist in separating the flanges in the line to remove the plate).

The assemblies are available with either weld neck (for butt-welding to the pipe) or socket weld orifice flanges.

Flowmeter designs:

  • OFA-WN Weld Neck Orifice Flange Assembly
  • OFA-SW Socket Weld Orifice Flange Assembly

Documentation and downloads

Data sheet
New/updated document Differential Pressure Flow Elements

English - 1.00 MB - pdf
Manual
Orifice Plates, Orifice Flanges, Metering Runs and Venturi Tubes

English - 0.37 MB - pdf
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