... 2.Standard: ASME,ANSI,BS,DIN,JIS 3.Quality control: ISO 4.Higher quality & Lower price 1.ANSI FLANGESStandard ... Flanges(113),Lapped Pipeend FlangesE(133), Plate Flanges(101),Loose Plate Flanges(102), Loose Plate With Weld-neck Flanges (104),Blank Flanges ... ClassPN2.5PN6PN10PN16PN25PN40PN63PN100SIZE: 1/2" TO 48"6.GOST FLANGESTYPES:Plate Flanges(GOST12820-80); Blind Flanges(GOST12836-67); Wedling neck ...