Orifice Flanges & Fittings

ASME B16.36 Orifice Flange Unions

Orifice flange unions are used in conjunction with orifice meters to measure the flow of liquids and gases using tapped or socket weld style meter connections located on the outside diameter of the flanges.

Kerkau orifice unions come complete with gaskets, nuts, bolts and jack screws and are made to b16.36 specifications.

Kerkau can also manufacture orifice unions to custom specifications.

Download B16.36 Catalog Request a Quote


  • A105
  • A350 LF2
  • 304/304L
  • 316/316/L
  • Customer Request

Product Dimensions

1'' - 24'' NPS size flanges in 300#-2500# pressure classes.


Do you offer sterilization cabinets in stainless steel?

Yes, stainless steel cabinets are available upon request.

Please contact us to request orifice flanges in different materials or dimensions; we can create a custom orifice flange for your project.