Stainless steel plug valve refers to the plug valve used as stainless steel material, commonly used materials are SS304L, SS316L and SS310S, where 304 material of stainless steel has the advantages of corrosion resistance and high temperature, SS316L material of stainless steel has the advantages of corrosion resistance and high temperature, SS316L material of stainless steel has the advantages of corrosion resistance and high temperature, SS310S is a high temperature resistant stainless steel material, high temperature can reach 90 ℃, all according to different use environments can choose different types of stainless steel plug valve, plus stainless steel plug valve is commonly divided into round stainless steel plug valve and square stainless steel plug valve, according to the shape of the pipeline and the size of the caliber customized different specifications of the plug valve.