 
关键词：低温闸阀执 行标准 项目设计及制造结构长度法兰标准检验和试验标准API 600ANSI B16.10ANSI B16.5API 598 主要零件材料 零件名称阀体．阀盖阀板、阀座、阀杆填料支架材料A352-LCB、A352-LC3、A351-CF8A182-F304聚四氟乙烯A216-WCB 主要零件材料 型号公称压力(Lb)常温试验压力P2(MPa)低温密封试验压力(Mpa)工作温度及适用介质壳体密封（气）上密封DZ40Y-150(Lb)1503.00.62.20.6-46℃氨、液氮、丙烷-101℃乙烯、二氧化碳-196℃甲烷、液化天然气DZ40Y-300(Lb)3007.50.65.50.6 主要连接及外形尺寸 公称通径LDD1尺寸 inmmD2bz-ΦdD0-46℃-101℃-196℃DZ40Y-150Lb 250178152120.692.1164-19200110130170 380203190152.412719.94-19250120150190 4100229229190.5157.2248-192501 30160200 5125254254215.9185.7248-22300140170220 6150267279241.3215.9268-22300140170220 8200292343298.4269.9298-22350140170220 10250330406361.9323.83112-25400150180240 123003564834323813212-25400150180240DZ40Y-300Lb 25021616512792.122.38-19200110130170 380283210168.3127298-22250120150190 4100305254200157.2328-22300130160200 5125381279234.9185.7358-22350140170220 6150403318269.9215.93712-22350140170220 8200419381330.2269.94212-25400140170220 10250457445387.5323.84816-29450150180240 123005025214513815116-32500150180240
| 
