The product with Patent No. ZL98.220547.3 is applicable to medium-speed pulverized coal conveying system as on-off valve. It is widely acclaimed by the users due to its characteristics of reasonable design, advanced technology and excellent performance. Its service life is ensured to be 6-8 years.
Performance Specifications
Model | Nominal Pressure | Test Force | Strength Test Pressure | Operating Temperature | Applicable Medium |
41 NMF 941 W-16C | 0.6 | 0.66 | 0.9 | ≤180℃ | Coal Dust Ash Cement |
41 NMF 941 H-25641 | 1.0 | 1.1 | 1.5 |
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| Size mm | D | D1 | D2 | b | Z-b | L | H | |
| Diameter DN | ||||||||
| Press PNMPa | ||||||||
1.6 | 200 | 335 | 295 | 265 | 26 | 12-φ23 | 330 | 1100 |
250 | 405 | 355 | 320 | 30 | 12-φ25 | 340 | 1200 | |
300 | 460 | 410 | 375 | 30 | 12-φ25 | 345 | 1310 | |
350 | 520 | 470 | 435 | 34 | 16-φ25 | 350 | 1410 | |
400 | 580 | 525 | 485 | 36 | 16-φ30 | 355 | 1520 | |
450 | 640 | 585 | 545 | 40 | 20-φ30 | 360 | 1660 | |
500 | 705 | 650 | 608 | 44 | 20-φ34 | 365 | 1840 | |
2.5 | 200 | 360 | 310 | 278 | 34 | 12-φ25 | 330 | 1100 |
250 | 425 | 370 | 332 | 36 | 12-φ30 | 340 | 1200 | |
300 | 485 | 430 | 390 | 40 | 16-φ30 | 345 | 1310 | |
350 | 550 | 490 | 448 | 44 | 16-φ34 | 350 | 1410 | |
400 | 610 | 550 | 505 | 48 | 16-φ34 | 355 | 1520 | |
450 | 660 | 600 | 555 | 50 | 20-φ34 | 360 | 1660 | |
500 | 730 | 660 | 610 | 52 | 20-φ41 | 365 | 1840 | |
