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公称压力/兆帕 1.6 2.5 4.0 6.4 10.0 16.0 壳体试验压力/兆帕 2.4 3.75 6.0 9.6 15.0 24 密封试验压力/兆帕 1.6 2.5 4.0 6.4 10.0 16.0 最高进口压力/兆帕 1.6 2.5 4.0 6.4 10.0 16.0 出口压力范围/兆帕 0.1-1.0 0.1-1.6 0.1-2.5 0.5-3.5 0.5-3.5 0.5-4.5 压力特性偏差/兆帕△P2P GB12246-1989 流量特性偏差/兆帕P2G GB12246-1989 最小压差/兆帕 0.15 0.15 0.2 0.4 0.8 1.0 渗漏量 X/F(聚四氟乙稀/橡胶)∶O Y(硬密封)∶GB12245-1989 公称通径 DN 外形尺寸 连接尺寸 L H H1 1.6MPa 2.5MPa 4.0MPa 6.4MPa D D1 Z-d D D1 Z-d D D1 Z-d D D1 Z-d 15 140 285 85 95 65 4-12 95 65 4-14 95 65 4-14 105 75 4-14 20 160 285 85 105 75 4-12 105 75 4-14 105 75 4-14 125 90 4-18 25 180 290 100 115 85 4-12 115 85 4-14 115 85 4-14 135 100 4-18 32 200 290 105 140 100 4-18 135 100 4-18 135 100 4-18 150 110 4-23 40 220 310 110 150 110 4-18 145 110 4-18 145 110 4-18 165 125 4-23 50 250 310 110 165 125 4-18 160 125 4-18 160 125 4-18 175 135 4-23 65 280 310 115 185 145 4-18 180 145 8-18 180 145 8-18 200 160 8-23 80 310 340 155 200 160 8-18 195 160 8-18 195 160 8-18 210 170 8-23 100 350 340 155 220 180 8-18 235 190 8-23 230 190 8-23 250 200 8-25 125 400 375 190 250 210 8-18 270 220 8-25 270 220 8-25 295 240 8-30 150 450 375 200 285 240 8-23 300 250 8-25 300 250 8-25 340 280 8-34 200 550 475 225 340 295 12-23 360 310 12-25 375 320 12-30 405 345 12-34 250 650 535 290 405 355 12-25 425 370 12-30 445 385 12-34 470 400 12-41 300 800 595 320 460 410 12-25 485 430 16-30 510 450 16-34 530 460 16-41 350 900 650 355 520 460 16-25 550 490 16-34 570 510 16-34 595 525 16-41 400 1000 700 395 580 525 16-30 610 550 16-34 655 585 16-41 670 585 16-48

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