Classifications
Weld neck flanges feature high strength,good toughness,and high resistance to corrosion,
high pressure and temperature.The raw materials of them come into carbon steel,stainless
steel,alloy steel,low temperature steel and high performance steel.Also,we can provide customized
flanges according to customers' requirements.
Size 1/2" ~ 100"DN15~DN2500
Flange Face Types
American Series:
Flat Face (FF), Raised face (RF), groove (G), femaie(F), ring joints face(RJ)
Wall THICKNESS
sch10, sch20, sch30, std, sch40, sch60, xs, sch80, sch100,sch120, sch140, sch160, xxs,
Maximum thickness: 150mm
Pressure
American Series:
CLASS 150, CLASS 300, CLASS 400, CLASS 600, CLASS 900, CLASS 1500, CLASS 2500
European Series:
PN 2.5, PN 6, PN 10, PN 16, PN 25, PN 40, PN 63, PN 100, PN 160, PN 250, PN 320, PN 400
Materials
Carbon steel: ASTM/ASME A105\ASTM A694 F42/F46/F48/F50/F52/F56/F60/F65/ F70
Alloy steel: ASTM A182 F1/ F5/F9/F11/F12/F22/F91\A182F12\A182F11
Stainless steel: ASTM/ASME A182 WP 304-304L-304H-304LN-304N
ASTM/ASME A182 WP 316-316L-316H-316LN-316N-316Ti
ASTM/ASME A182 WP 321-321H