We offer silipon flanges. specifications: slip-on flanges size: 12"nb to 48"nbslip-on flanges pressure: 150#, 300#, 600#, 900#, 1500#, 2500#slip-on flanges european series: pn 6, pn 10, pn 16, pn 25, pn 40, pn 63, pn 100 dinslip-on flanges specification as per the international standard: astm, asme, api, aisi, bs, ansi, din, jis, mssp, naceslip-on flanges facing types: american series: flat face(ff), raised face(rf), tongue (t), groove (g), female (f), male (m), ring joints face (rj)european series: type a (flat face), type b (raised face), type c (tongue), type d (groove), type e (spigot), type f (recess), type g (o-ring spigot), type h (o-ring groove)stainless steel slip on flange: astm a182 grade: f 304, 304l, 304h, 309s, 309h, 310s, 310h, 316, 316ti, 316h, 316l, 316ln, 317, 317l, 321, 321h, 347, 347h, 904lduplex steel slip on flange: astm asme asa 182 uns f 44, f 45, f51, f 53, f 55, f 60, f 61alloy steel slip on flange: as sorf flange astm sa 182 f1f5f9f11f22f91carbon steel slip on flange: astma 105 gr. F42 46 52 56 60 65 70low temperature carbon steel slip on flange: a350 lf2a350 lf3nickel alloy slip on flange standard: astm asme sb 564 160 472.