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| 出口压力P2(KPa) | 进口压力P1(MPa) | RTZ-31(21)/50L | RTZ-31(21)/80L | RTZ-31(21)/100L |
| 1-10 | 0.02 | 150 | 200 | 510 |
| 0.05 | 230 | 288 | 710 | |
| 0.1 | 340 | 410 | 1050 | |
| 0.15 | 420 | 540 | 1370 | |
| 0.2 | 550 | 650 | 1650 | |
| 0.3 | 725 | 860 | 2200 | |
| 0.4 | 900 | 1100 | 2750 | |
| 10-30 | 0.02 | 120 | 150 | 380 |
| 0.05 | 210 | 280 | 650 | |
| 0.1 | 340 | 400 | 1030 | |
| 0.15 | 420 | 540 | 1370 | |
| 0.2 | 550 | 650 | 1650 | |
| 0.3 | 725 | 850 | 2200 | |
| 0.4 | 900 | 1100 | 2750 |
| 型号规格 | 主要尺寸--单位:(mm) | 进、出口法兰标准 | ||||
| 通径 | L | H1 | H | D | ||
| RTZ-31/50L | DN50 | 240 | 100 | 500 | 330 | GB/T9119-2000 |
| RTZ-31/80L | DN80 | 280 | 140 | 600 | 360 | |
| RTZ-31/100L | DN100 | 350 | 165 | 660 | 450 | |
| RTZ-31/150L | DN150 | 450 | 260 | 900 | 520 | |
| RTZ-31/200L | DN200 | 450 | 260 | 900 | 520 | |