- Flanges
Weld Neck Flange
Thickness SCH10,STD,SCH40,SCH60,XS, SCH80,SCH120,SCH160,XXS
Materials:
ASTM A105 – Forged Carbon Steel
ASTM A181 – Forged Carbon Steel for General Purpose
ASTM A182 – Forged Alloy Steel and Stainless Steel
ASTM A350 – Forged Alloy Steel for low temperature services
Specification of WN Flanges
Size: DN15-DN2000 (1/2-78 inch)
Surface Treatment: Anti-rust Oil, Transparent/Yellow/Black Anti-rust Paint,Zinc,Hot dipped Galvanized.
Weld Neck Flange Pressure Grade
PN2.5, PN6, PN10, PN16, PN25, PN40, PN63, PN100, PN160, PN250, PN320, PN400
Class 150, Class 300, Class 600, Class 900, Class 1500, Class 2500
Weld Neck Flange Materials
Carbon Steel Flange: ASTM A105, 20#, Q235, 16Mn, ASTM A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2, ASTM A694 F42, F46, F48, F50, F52, F56, F60, F65 ,F70;
Stainless Steel Flange: ASTM A182 F304, 304L, F316, 316L, 1Cr18Ni9Ti, 0Cr18Ni9Ti, 321, 18-8;
Alloy Steel Flange: ASTM A182 F1, F5a, F9, F11, F12, F22, F91, A182F12, A182F11, 16MnR, Cr5Mo, 12Cr1MoV, 15CrMo, 12Cr2Mo1, A335P22, St45.8/Ⅲ;
Sealing Surface Types For Weld Neck Flanges
RF (Raised Face);
FF (Flat Face);
M&F (Male-and-Female Face);
RTJ (Ring-Type Joint)
F (Female Face);
M (Male Face);
T&G (Tongue and Groove Face);
Among them, the uneven surface (MFM) is a matching use;
Weld Neck Flange Standards
ANSI, ASME, JIS, DIN, BS4504, SABS1123, EN1092-1, UNI, AS2129, GOST-12820
