ANSI B16.5 Weld Neck Flanges, AS, CS, SS, 150-2500LB
ASTM A182 Stainless Steel Welding Neck Flanges, FF, 1500LB
Carbon Steel Welded Neck Flanges, A105, RF, DN15-2500
DIN ASTM A182 Alloy Steel WN Flanges, RTJ, PN6-40
JIS Welded Neck Flanges, 10-40K, DN15-600mm