Vent valve
Vent valve
Specifications: DN150 ~ 600mm
Nominal: PN0.1 ~ 0.25MPa
Temperature: ≤300 ℃
opening angle: 45 degrees
Medium: gas, air, and other gases
flange standards: GB / T9115-98
connection Size: GB2555-81PN2.5
detection method: GB / T13927-92
Dust relief valve structure features and uses:
The valve seat, cone, valve cover, stem, hammer, limiter and other components, the stem is a lever mechanism, with the valve stem to achieve the valve opening and closing, Relying on the gravity of the hammer so that the sealing surface match. Sealing to pay with a spherical outer cone and the inner seal. Suitable for blast furnace and hot air system of the system.
Dust relief valve main properties:
nominal pressure 0.10Mpa; 0.25Mpa
Temperature 45 ° opening angle ≤300 ℃
Suitable medium gas, air and other gases
FS66W sealing surface of the bulk material, FS66HL sealing surface resistant alloys
of this series Dust release valve is divided into: Cone cover and conical conical cover within the conical surface
Dust release valve main dimensions, connection dimensions and quality unit: mm
| Nominal diameter DN (mm) | Nominal pressure PN (MPa) | L | D | D1 | D2 | b | H |
| 200 | 0.1 | 225 | 375 | 320 | 284 | 20 | 865 |
| 250 | 0.1 | 225 | 425 | 370 | 330 | 20 | 890 |
| 300 | 0.1 | 245 | 485 | 430 | 389 | twenty two | 1020 |
| 250 | 0.1 | 265 | 555 | 490 | 448 | twenty two | 1100 |
| 400 | 0.1 | 265 | 620 | 555 | 503 | twenty four | 1225 |
| 450 | 0.1 | 285 | 645 | 600 | 570 | twenty four | 1265 |
| 480 | 0.1 | 285 | 735 | 685 | 650 | twenty four | 1320 |
| 500 | 0.1 | 285 | 755 | 705 | 670 | 26 | 1330 |
| 550 | 0.1 | 285 | 805 | 755 | 720 | 26 | 1360 |
| 600 | 0.1 | 285 | 850 | 795 | 745 | 28 | 1385 |
| 610 | 0.1 | 285 | 860 | 810 | 772 | 28 | 1395 |
| 650 | 0.1 | 285 | 910 | 830 | 794 | 28 | 1410 |
| 675 | 0.1 | 300 | 935 | 855 | 789 | 28 | 1425 |
| 700 | 0.1 | 300 | 980 | 890 | 845 | 30 | 1495 |
| 800 | 0.1 | 300 | 1075 | 985 | 940 | 30 | 1541 |
| 900 | 0.1 | 300 | 1190 | 1125 | 1070 | 30 | 1718 |
| 1000 | 0.1 | 410 | 1320 | 1210 | 1140 | 32 | 1650 |
| 1200 | 0.1 | 470 | 1530 | 1420 | 1350 | 36 | 1795 |
| 1250 | 0.1 | 470 | 1590 | 1475 | 1410 | 36 | 1800 |
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