DH41F-40P低温升降式止回阀液氧止回阀DH41F-40P低温止回阀质量好，价格便宜，上海欣一阀门有限公司***供应低温止回阀，低温截止阀，低温安全阀，低温闸阀，低温调节阀。。产品规范：公称通径DN50mm～150mm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℃主要零部件材料：阀体ZG0Cr18Ni9阀盖0Cr18Ni9/H62阀瓣0Cr18Ni9/H62填料、密封圈PTFE外型尺寸与连接尺寸：产品型号DH41F-40P低温止回阀重量(kg)产品代号通径DN(mm)尺寸(mm)LH1DD1D2Z-dbf541DH505023098160125884-1820311.6541DH6565290981801451108-1822315.8541DH80803101272001601218-1824325.2541DH1001003501342351901508-23243.535.6541DH1501504001663002502188-2526461.5)