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first, h664y extraction check valve purposes
h664y extraction check valve performance specifications
1, the nominal pressure:
| nominal pressure | 1.0 ~ 2.5 | 4.0 ~ 6.4 | 10.0 |
| nominal diameter | 50 ~ 1000 | 50 ~ 400 | 80 ~ 350 |
2, the medium: water, steam, air, oil
3, the working temperature:
| the main material | wcb | wc6 | wc9 |
| operating temperature | ≤425 ℃ | ≤540 ℃ | ≤550 ℃ |
h664y extraction check valve main dimensions
| h664h-10 | ||||||||||
| dn | l | d | d1 | d2 | h | h1 | h2 | h3 | l1 | w (kg) |
| 450 | 740 | 428 | 476 | 630 | 990 | 425 | 510 | 755 | 486 | 620 |
| 500 | 790 | 468 | 520 | 658 | 990 | 470 | 545 | 852 | 554 | 759 |
| 700 | 1040 | 682 | 747 | 845 | 990 | 560 | 625 | 1240 | 820 | 1258 |
| 800 | 1295 | 780 | 842 | 995 | 1257 | 650 | 645 | 1348.3 | 928 | 1788 |
| 1000 | 1600 | 1110 | 1150 | 1230 | 1700 | 850 | 745 | 1840 | 1040 | 4800 |
| h664h-16 | ||||||||
| dn | l | d | d1 | d2 | h | h1 | h2 | w (kg) |
| 200 | 526 | 195 | 239 | 410 | 815 | 325 | 390 | 236 |
| 300 | 610 | 300 | 354 | 494 | 845 | 350 | 445 | 376 |
| 400 | 838 | 380 | 436 | 600 | 1142 | 450 | 490 | 674 |
| h664h-25 | ||||||||
| dn | l | d | d1 | d2 | h | h1 | h2 | w (kg) |
| 250 | 680 | 250 | 302 | 475 | 904 | 380 | 440 | 385 |
| 500 | 1020 | 480 | 584 | 820 | 1240 | 580 | 560 | 1537 |
