1.Product:stainless steel flange 2.Size:DN10-3000mm,1/2''-115'' 3.Grade:200,300series 4.Surface:bright 5.Standard:AISI,ASTM 1.GRADE:ASTM A182-301,F302,F304/L,F316/L,F321/H,F51, EN10272,1.4301,1.4306,1.4307,1.4541,1.4571,1.4462,1.4539,1.45472.Size:DN10mm to 3000mm,1/2''-115''.3.PN:PN0.25-50Mpa.4.Finish:bright surface. 5.NON-STANDARD FLANGESStyle of flange sealing face: (RF), (FF), (MFM), (LG), (RG ...