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. Iterms: Cast Steel gate valve Specificaiton: 1. BB, OS&Y Structure 2. Design and Manufacture: API 600, API6D 3. Face to face: ANSI B 16.10 4. Flange stardard: ANSI B 16.5 5. Check and Test: API 598