Flange is a disc-shaped mechanical component used to connect pipes, valves, pumps, and other equipment; its key characteristics include detachable connections, bolt holes, and sealing via gaskets.
Flanges are widely used in industries such as petrochemicals, power and energy, and machinery manufacturing, primarily serving as detachable, sealed connections between equipment such as pipelines, valves, pumps, and vessels.
| Standard | GB/T 9112–9124,HG/T 20592,HG/T 20615, (JB/T 81), ASME B16.5, ASME B16.47 , EN 1092-1, JIS etc. |
| Material | Q235B, A105, 20#, LF2, 304/304L, 316/316L, 321, 310S, F11, F22, P22, Cr5Mo, etc. |
| Size | DN15 to DN600 to DN2000 and above. Dimensional Parameters: Include Outer Diameter (O.D.), Thickness (Thk), Bolt Circle Diameter (P.C.D.), Hole Diameter, and Sealing Face Dimensions. |
| Pressure Ratings | PN0.25MPa~PN42.0 MPa; Class 150~Class 2500. |
| Type | Weld Neck (WN),Slip-On (SO), Plate (PL),Blind (BL),Socket Weld (SW),Threaded (TH), etc. |
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