(2)安全阀与锅炉的汽包、联箱之间～般不得装设截止阀门，或取用蒸汽的引出管。安全阀与压力容器之间～般不宜装设截止阀门或其他引出管；对于盛装毒性程度为极高、高度、中度危害，***、腐蚀、黏性介质或贵重介质的压力容器，经使用单位主管压力容器的技术负责人批准，并制定可靠的防范措施，方可在安全阀与压力容器之间装设截止阀。压力容器正常运行期间，截止阀必须保持全开，加铅封或锁定。截止阀的结构和通径，应不得妨碍安全阀的安全泄放。R901157255DBE6-10/50G24NK4VR900546986DBEE6-10/315G24K31MR900546987DBEE6-10/315YG24K31MR900556310DBEE6-10/200YG24NK31MR900715251DBEE6-10/200G24NK31VR900743106DBEE6-10/315YG24K31VR900940726DBEE6-10/50G24K31VR900940727DBEE6-10/315G24K31VR900948803DBEE6-10/100G24K31MR900950005DBEE6-10/315YG24NK31MR900952490DBEE6-10/200G24K31MR900954432DBEE6-10/50YG24K31MR900954433DBEE6-10/200YG24K31MR9007051973DREME10P-6X/315YG24K31VR9009614743DREME16P-6X/200YG24K31VR9009641693DREME16P-6X/200XYG24K31VR9009776473DREME10P-6X/200YG24K31VR9010263763DREME10P-6X/200XYG24K31V)