http://www.sy-exports.net/flat-flange/ China Flat Flange factory Stainless steel 304 flat flange has the advantages of uniform thickness and accurate size. It is mainly used for pipeline connection to prevent leakage of pipeline system. In addition to the stainless steel version, there are many types of flat flanges for you to choose from, such as carbon steel plate flange and alloy steel plate flange. It can show good corrosion resistance and low maintenance in application, so it can not only increase the tightness of the pipeline system, but also help you save costs. This flat flange is very easy to install, and its surf