The ANSI stainless steel gate valve is made of austenitic stainless steel such as ASTM A351 CF8 (304), CF8M (316), CF3 (304L), CF3M (316L) as the core material, and adopts a rising stem+wedge type elastic gate plate+flange connection. It is the preferred choice for strong corrosive/clean medium pipelines in chemical, pharmaceutical, food and other industries.