先导式减压阀 调节弹簧压力级
| 公称压力 PN | 出口压力 P/MPa | 弹簧压力级/MPa |
| 16 | 0.1~1.0 | 0.05~0.5 0.5~1.0 |
| 25 | 0.1~1.6 | 0.1~1.0 1.0~1.6 |
| 40 | 0.1~2.5 | 0.1~1.0 1.0~2.5 |
| 63 | 0.1~3.0 | 0.1~1.0 1.0~3.0 |
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