GB Standard Plate Flat Welding Flange PL - Easy Installation, Top Choice for Low & Medium Pressure Projects

Compliant with GB/T 9119-2010 national standard, suitable for pressure classes PN2.5~PN100 and nominal diameters DN10~DN2000, forged from high-quality materials such as 20# carbon steel and 304/316 stainless steel. Featuring a simple structural design, the pipe can be directly inserted and welded for installation, ensuring precise alignment without requiring high-skill operations, significantly improving construction efficiency. Available with FF (Flat Face) and RF (Raised Face) sealing surfaces, it is suitable for basic projects such as chemical industry, construction, water supply and drainage, and fire protection. Combining cost-effectiveness and structural reliability, it is a high-value connection solution for low and medium pressure piping systems.