适用标准钢制蝶阀，API 609，MSS SP-67温度和压力，ASME B16.34结构长度，API 609试验标准，API 598耐火标准，API-607 设计说明密封结构：软密封制动器操作ISO 5211 衬垫连接：对夹，凸耳对夹操作方式：手动，涡轮，电动，气动，液动偏心结构，中线结构 标准材料规范 NO. Part Name Material Carbon steel A126 304 304L Type 316L Type 1 Body A216-WCB A315-CF8 A315-CF8M A315-CF3 A315-CF3M 2 Stem A182 F6a A182-F304 A182-F316 A182-F304L A182-F316L 3 Disc A216-WCB A315-CF8 A315-CF8M A315-CF3 A315-CF3M 4 Hinge pin A276-410 A276-304 A276-316 A276-304L A276-316 5 Bolt A193-B7 A193-B8 A193-B8M A193-B8 A193-B8M 6 Seat ring NBR/EPDM NBR/EPDM PTFE PTFE PTFE 7 Bushing Bronze 304+PTFE 316+PTFE 304L+PTFE 316L+PTFE 8 Packing Graphite PTFE PTFE PTFE PTFE 9 Yoke A216-WCB A216-WCB A216-WCB A216-WCB A216-WCB
