2011-1-31 18:19:00

试压作业安全措施

试压作业应符合设计对试验介质、压力、稳定时间等要求，且不得采用危险性的液体或气体。 　　管道在试压前必须编制试压方案及安全技术措施。 　　在试压前及试压过程中，应详细检查被试设备、管道的盲板、法兰、压力表的设置情况，以及试压过程中的变形情况等，确实具备升压条件时，方可升压。 　　水压试验时，设备、管道的最高点应安装放空阀，最低点应安装排水阀，充水或放水时，应先将放空阀打开，试压合格后应用压缩空气将积水吹扫干净。 　　试压现场应设围栏和警告牌，管道的输入端应装设安全阀，带压设备、管道严禁受到强烈的冲撞或气体冲击，升压或降压应缓慢进行。 　　试压用的压力表应经校验合格，且不得少于两块，法兰、盲板的厚度应符合试压的要求。 　　在试压过程中，如发现泄漏现象，不得带压紧固螺栓、补焊或修理。检查受压设备和管道时，在法兰、盲板的侧面和对面不得站人。 　　试压过程中受压设备、管道如有导常响声、压力下降、表面油漆剥落等情况，应立即停止试验，查明原因，确保试压安全。

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