DJ661F-25P低温气动截止阀DJ661F-16P低温紧急切断阀、DJ661F-25P低温紧急切断阀、DJ661F-40P低温紧急切断阀、DJ661F-40P低温气动截止阀、DJQ-25～DJQ-50低温紧急切断阀产品规范：公称通径DN20mm～100mm公称压力PN4.0MPa适用介质液氧、液氮、液***、液化***、液态二氧化碳、液态丙烷等适用温度-196℃～+80℃气缸气源压力0.3～0.6MPa紧急切断温度70&plu***n;5℃主要零部件材料：阀体、阀杆ZG0Cr18Ni9阀盖、阀瓣0Cr18Ni9气缸、支架铸铝填料、密封圈PTFE外型尺寸与连接尺寸：产品型号DJ661F-40P低温紧急切断阀重量(kg)产品代号通径DN(mm)尺寸(mm)LhHD0D1D2L5661DJ2020902004001002025.5865661DJ2525902004001002532.5875661DJ32321102044681203238.510105661DJ40401102305231204045.510125661DJ50501302305231205057.510155661DJ65651802506511406576.510275661DJ80802003207361808089.515355661DJ100100220320736180100108.51541)