ASME/ANSI B16.5 Slip-on Flanges, CS, AS, SS, 150-2500LB
ASTM A105 Carbon Steel Slip-on Flanges, FF, RF, DN10-2000
ASTM A182 SS Slip-on Welding Flange, FF, 300LB, Golden
JIS Alloy Steel Slip-on Flange, RF, 10-40K, Black