quality PL Flange products are suitable for steel pipe connections with a nominal pressure not exceeding 2.5MPa. The sealing surface of the flat welding flange can be made into three types: smooth, concave-convex and tongue-and-groove. The application of smooth flat welding flanges is large .It is mostly used in the case of moderate medium conditions, such as low-pressure non-purified compressed air and low-pressure circulating water.

　　quality PL Flange products are generally referred to as flat plates, also known as lap welding flanges. The connection between the flat welding flange and the pipe is to insert the pipe into the inner hole of the flange to the appropriate position, and then weld it. Flat welded flanges are suitable for pipeline systems with relatively low pressure levels and less severe pressure fluctuations, vibrations and shocks. The advantage of quality PL Flange products is that flat welding flanges are easier to center during welding and assembly, and the price is relatively cheap, so they are widely used.

　　The issue of quality PL Flange products has always been a topic of concern to people. It is related to the production costs or economic benefits of companies and enterprises. Therefore, the sealing principle of flat welding flanges is constantly being improved and perfected.

　　It is impossible for any product to be free from defects, but it is just to minimize the deficiencies of the products as much as possible. Therefore, when producing quality PL Flange products, the company tries to improve the performance of the products so that they can play a greater role.