弹簧直接载荷式安全阀 蒸气锅炉用安全阀的整定压力极限偏差
| 整 定 压 力 | 整 定 压 力 极 限 偏 差 |
| ≤0.5 | ±0.015 |
| >0.5~2.3 | ±3%整定压力 |
| >2.3~7.0 | ±0.07 |
| >7.0 | ±1%整定压力 |
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