公稱壓力 PN | 試驗壓力 PS | 進(jìn)口壓力 P1 | 出口壓力 P2 | 最小壓差 △P | 背壓 PB | 壓力特性 △P2P1 | 流量特性 △P2G2 |
1.6 | 2.4 | <1.6 | 0.1~1.0 | 0.2 | ≤0.15 | P2×10% | P2×20% |
2.5 | 3.75 | <2.5 | 0.3~1.6 | 0.2 | ≤0.25 | P2×10% | P2×20% |
4.0 | 6.0 | <4.0 | 0.3~2.5 | 0.2 | ≤0.25 | P2×10% | P2×20% |
6.4 | 9.6 | <6.4 | 0.5~3.0 | 0.25 | ≤0.4 | P2×12% | P2×25% |
DN | L | H1 | H2 | ||||||||
PN16 PN25 | PN40 PN64 | PN16 | PN25 | PN40 | PN64 | PN16 | PN25 | PN40 | PN64 | ||
20 | 160 | 160 | 170 | 90 | 90 | 90 | 90 | 220 | 220 | 220 | 220 |
25 | 180 | 200 | 200 | 95 | 95 | 105 | 105 | 255 | 255 | 265 | 365 |
32 | 200 | 220 | 220 | 100 | 100 | 110 | 110 | 255 | 255 | 265 | 365 |
40 | 220 | 240 | 240 | 115 | 115 | 130 | 130 | 325 | 325 | 330 | 330 |
50 | 250 | 270 | 270 | 120 | 120 | 135 | 135 | 325 | 325 | 330 | 330 |
65 | 260 | 280 | 300 | 125 | 126 | 145 | 145 | 330 | 330 | 340 | 355 |
80 | 310 | 330 | 330 | 135 | 135 | 160 | 160 | 340 | 340 | 340 | 340 |
100 | 350 | 380 | 380 | 185 | 185 | 185 | 185 | 360 | 360 | 360 | 360 |
125 | 400 | 450 | 450 | 190 | 200 | 200 | 245 | 560 | 560 | 565 | 565 |
150 | 450 | 500 | 500 | 205 | 210 | 240 | 280 | 580 | 580 | 585 | 585 |
200 | 500 | 560 | 560 | 220 | 245 | 245 | 310 | 630 | 630 | 635 | 635 |
250 | 600 | | | 270 | | | | 750 | | | |
300 | 800 | | | 310 | | | | 780 | | | |
350 | 850 | | | 390 | | | | 850 | | | |