力士乐比例阀R900952490 DBEE6-10/200G24K31M

8、额定蒸发量大于0.5t/h的锅炉，至少装设两个安全阀；额定蒸发量小于或等于0.5t/h的锅炉，至少装一个安全阀。可分式省煤器出口处、蒸汽过热器出口处都必须装设安全阀。

9、对******或***介质的压力容器，安全阀排出的介质必须有安全装置和回收系统。杠杆式安全阀的安装必须保持铅垂位置，弹簧安全阀也***好垂直安装，以免影响其动作。安装时还应注意配合、零件的同轴度和应使各个螺栓均匀受力。

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