FLNUER70
rectangular flange is not pressurized
FLNUDR70FLX
FLEX pressurized flat rectangular flange
FLNUDR70
pressurizable flat rectangular flange
FLNPDR70FLX
pressurizable with a rectangular flange gasket FLEX
FLNPDR70
pressurized rectangular flange with gasket
FLNPBR84
pressurized with square flange gasket
FLNUBR84
square flange plane
FLNUBR120FLX
square flange flat FLEX
FLNUBR120
square flange plane
FLNPBR120FLX
pressurized with square flange gasket FLEX