NFE 29203 is French flange standard, NFE 29203 is the same to EN1092-1, flanges pressure PN6 PN10 PN16 PN25 PN40, flanges type plate, blind, loose, slip on boss, screwed, weld neck, NFE 29203 flanges can instead of EN1092-1, the steel material for P245GH P250GH P265GH S235JRG2, all flanges made by forging.