Zhejiang Huaxia valve company which the online product showroom is ,We specialize in producting and exporting valves(ball/gate/check/globe, butterfly),for food field and industrial field material is cast iron/ss316/ss304/316L/304L/WCB/A105 and so on.we also passed CE,DNV,API 6D. Product name: Three-piece Butterfly Valve-Stainless Steel Butterfly Valve Three-piece Butterfly Valve Specification: DN20-150, 1"-6" Three-piece Butterfly Valve Standard: DIN/SMS/ISO/RJT/IDF/3A/BS/JIS Three-piece Butterfly Valve Material quality: SUS304/SUS316L Three-piece Butterfly Valve Applications: Beer, dairy, beverage, pharmacy