Regarding the rolled flange models, Yongrui has them all

  

Qingdao Yongrui Machinery Co., Ltd. produces a variety of rolled flange models, covering the DN300-DN6000 large-diameter range and supporting non-standard customization. The materials include 304, 316L, Q235B, etc., and the types include flat welding, butt welding, necking, fan flange, etc. The product complies with national standards, American standards, Japanese standards, British standards, German standards, and other standards. The sealing surface can be selected from smooth, concave convex, and mortise and tenon groove types, suitable for low-pressure non purified compressed air, low-pressure circulating water and other working conditions. It is widely used in industries such as ventilation ducts, dust removal equipment, and paper machinery.