ASTM A182 F321 Stainless Steel Welding Neck Flange, Size DN250, Pressure CL150, Wall Thickness SCH 40, Material Stainless Steel ASTM A182 F321, End Connect Raise Face, Standard GOST 33259

DN100 Gost Standard Welding Neck Flange, Size DN100, Pressure PN16, Wall Thickness SCH 40, Material Stainless Steel ASTM A182 F321, End Connect Raise Face, Standard ANSI B16.5

SCH160 Welding Neck Flange, Size 6, Pressure CL600, Material Carbon Steel ASTM A350 LF2, End Connect Raise Face, Standard ANSI B16.5

CL150 Welding Neck Flange, Size 22, Pressure CL300, Wall Thickness SCH40, Material Carbon Steel ASTM A350 LF2, End Connect Raise Face, Standard ANSI B16.5

ASTM A694 F42 Welding Neck Flange, Size 16, Pressure CL300, Wall Thickness SCH80, Material Carbon Steel ASTM A694 F42, End Connect Raise Face, Standard ANSI B16.5

China Manufacture Welding Neck Flange, Size 2inch, Pressure Class 900, Wall Thickness SCH 80, Material Carbon Steel ASTM A105, End Connect RTJ Face, Standard ANSI B16.5