Sanitary pipe fittings AISI304, AISI304L, AISI316, AISI316L, its standard is DIN/SMS/3A/ISO/IDF, pipeline flow control: DN10-DN200&1 /4″”-8″, it is used in stainless steel pipe system, its working principle It can be welded on the pipeline to adjust the flow in the pipeline. Its medium includes beer, dairy products, beverages and pharmaceuticals.