Flange Manufacturer TongKang supplies Weld Neck Flange (WN), Long Welding Neck Flange (LWN), Lap Joint Flange (LJ),Blind Flange / Blank Flange (BL), Slip On Flange (SO), Thread Flange (THR), Socket Weld Flange (SW), Reducing Flange, Orifice Flange, Anchor Flange, Spectacle Blind Flange , Spacer Ring/Spade Flange etc…
Flange Standards:
ANSI/ASME Standard: ANSI B16.5, ANSI B16.47 Series A & B, MSS-SP-44, API 605, API6A in class 150 to 2500;
AWWA C207 flanges in Class B, Class D, Class E, Class F, Ring, Blind & Hub;
European DIN, UNI, EN 1092-1, BS 4504, ISO,flanges in Pressure PN6 to PN100;
Russian GOST 12820-80, GOST 12821-80, GOST 12815-80 in pressure PN0.6MPa to PN10MPa;
South African SABS 1123 / SANS 1123 in Class 600kPa to 4000kPa.
Flange Materials:
Carbon Steel: ASTM A105/A105N
A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2
A694 F42, F46, F48, F50, F52, F56, F60, F65, F70
A516.60, 65, 70 (Spectacle Blind Flange, Spacer Ring/Spade Flange)
Steel RST37.2, C22.8
Stainless Steel: ASTM A182 F304/304L, F316/316L, F316H, F316TI, F310, F321;
Alloy Steel: ASTM A182 F1, F5, F9, F11, F22, F91
Flange Face Type: Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
