The flange is mainly used for connecting pipes, pipe fittings and equipment in the pipe system. The gasket at the sealing surface is tightened by bolts to ensure the sealing at the joint is not leaking. The main products include flat-welding plate flange, slip-on neck flange, welding neck flange, socket welded flange, threaded flange, butt welding ring loose flange, flat welding ring loose sleeve flange, blind flange, and lining blind flange. The sealing surface types include full surface, protruding surface, concave/convex surface, tenon/groove surface, and ring connection surface. These products are made of stainless steel, alloy steel, carbon steel, nickel base alloy, etc.
Standards
Standard Name |
GB |
ASME |
EN/DIN |
Others |
Flange |
GB/T9112-9124 |
ASME B16.5 |
EN1092 |
HG/T 20592 |
Forged flange:OD: DN15-DN2000 WT: Class150-2500
Complex flange:OD: DN150-DN900 WT: Class150-2500
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