弹簧直接载荷式安全阀 | ||
蒸汽用安全阀的启闭压差 | ||
整定压力 | 启闭压差 | |
蒸汽动力锅炉用 | 直流锅炉、再热器和其他蒸汽设备用 | |
≤0.4 | ≤0.03 | ≤0.04 |
>0.4 | ≤7%整定压力(≤4%整定压力) | ≤10%整定压力 |
注:供需双方可协商采用本表中括号内的数值 |
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