Standard: Bs 4504 sec 3.1: Welding neck flange(111/134), hubbed slip on flange(112), hubbed threaded flange(113), lapped pipe end flange(133), plate flange(101), loose plate flange(102), loose plate with weld-neck flange (104), blank flange(105)
Pressure grade: Pn2.5 to pn40

Standard: Bs 4504(part-1): Welding neck flange, hubbed slip-on hubbed threaded, plate flange, loose plate with weld on plate collar, blank flange
Pressure grade: Pn2.5 to pn40

Standard: Bs1560: Welding neck flange, socket welding flange, slip-on boss flange, blind flange, screwed boss flange, lapped flange.
Pressure grade: 150, 300, 400, 600, 900, 1500, 2500

Standard: Bs 10: Welding neck flange, plate slip-on flange, screwed boss flange, slipon boss flange, blind flange
Type: Table: D, e, f, h

Size: 1/2" nb to 48"nb