... Flanges, Lap Joint Flanges, Ring Joint Flanges, Long Welding Neck Flanges, Figure 8 BlanksPRESSURE GRADE: Class150,Class300,Class600 ... PRESSURE GRADE:PN2.5 TO PN40Standard: BS 10 : Welding neck Flanges, Plate Slip-on Flanges, Screwed Boss Flanges ... TYPE11(Weld-neck Flanges); TYPE12(Hubbed Slip-on Flanges For Welding); TYPE13(Hubbed Threaded Flanges)Pressure ClassPN2.5PN6PN10PN16PN25PN40PN63PN100SIZE: 1/ ...