Emerson Rosemount 5408 Reference Manual page 201

Table A-22: Standard Flanges for Parabolic Antenna
Standard Face type
ASME B16.5 Raised face
EN 1092-1 Type A flat face
JIS B2220 Raised face
(1) Face gasket surface is serrated per mating standard.
Rosemount 5408 and 5408:SIS Level Transmitters
(1)
Face surface finish
125-250 µin
3.2-12.5 µm
3.2-12.5 µm
Specifications and Reference Data
Material
316/316L SST
EN 1.4404
EN 1.4404
191