Gas valve
Gas valve
Nominal diameter: DN150 ~ 1800mm
Nominal: PN0.15 ~ 0.25MPa
Temperature: -10 ~ 120 ℃
Main material: Gray cast iron, carbon steel
Medium: blast furnace gas, coke oven gas, producer gas, gas clean water gas, sewage gas, and other gas oil, and Liquefied petroleum gas, natural gas, coal Mine methane gas and other
Structural length: GB / T 15188.2-94
Flange size: GB / T 9113-2000
Inspection and testing: GB / T 13927 -92
First, gas valve product details
Gas valve , suitable medium: blast furnace gas, coke oven gas, producer gas, water gas, oil gas and other sewage gas, and liquefied gas, natural gas, gas and other clean gas mine. Mainly used in gas, metallurgy, coking and other industries gas and city gas pipeline network.
Second, the main components of gas valve material
Part Name | Valve for the valve cover, gate | Valve stem | Stem nut | filler | Gasket |
material | grey cast iron | Carbon steel | Ball ink | Oil asbestos packing | Rubber asbestos board |
Third, gas valve performance specifications
model | Nominal pressure MPa | test pressure | Operating temperature ℃ | Suitable media | |
Strength (water) MPa | Seal (water) MPa | ||||
MZ48W | 0.15 | 0.25 | 0.165 | -10 to 120 | Coke oven gas, producer gas, water gas, oil gas and so on |
MZ48W | 0.2 | 0.3 | 0.22 | ||
MZ48W | 0.25 | 0.375 | 0.275 | -10 to 120 | Gas, natural gas |
Fourth, the main shape of gas valve and connection dimensions
DN | D | D1 | D2 | z - d | L | b | f | Do | H | H1 | A * B | weight Kg | ||||
6 class | 10 bar level | 6 class | 10 bar level | 6 class | 10 bar level | 6 class | 10 bar level | |||||||||
150 | 265 | 285 | 225 | 240 | 202 | 212 | 8-17.5 | 8-22 | 350 | 26 | 3 | 280 | 550 | 140 | 330 * 260 | 132 |
200 | 320 | 340 | 280 | 295 | 258 | 268 | 8-17.5 | 8-22 | 400 | 28 | 3 | 320 | 600 | 160 | 930 * 280 | 196 |
250 | 375 | 395 | 335 | 350 | 312 | 320 | 12-17.5 | 12-22 | 450 | 28 | 3 | 320 | 750 | 230 | 470 * 310 | 301 |
300 | 440 | 445 | 395 | 400 | 365 | 370 | 12-22 | 12-22 | 500 | 28 | 4 | 400 | 810 | 300 | 520 * 350 | 462 |
350 | 490 | 505 | 445 | 460 | 415 | 430 | 12-22 | 16-22 | 550 | 30 | 4 | 400 | 950 | 340 | 570 * 380 | 680 |
400 | 540 | 565 | 495 | 515 | 465 | 482 | 16-22 | 16-26 | 406 | 32 | 4 | 640 | 1010 | 430 | 640 * 390 | 768 |
450 | 595 | 615 | 550 | 565 | 520 | 532 | 16-22 | 20-26 | 432 | 32 | 4 | 640 | 1070 | 465 | 690 * 410 | 898 |
500 | 645 | 670 | 600 | 620 | 570 | 585 | 20-22 | 20-26 | 457 | 34 | 4 | 800 | 1140 | 490 | 800 * 460 | 1362 |
600 | 755 | 780 | 705 | 725 | 670 | 685 | 20-22 | 20-30 | 508 | 36 | 5 | 800 | 1380 | 540 | 930 * 500 | 1706 |
700 | 860 | 895 | 810 | 840 | 775 | 800 | 24-26 | 24-30 | 610 | 40 | 5 | 1000 | 1560 | 590 | 1070 * 550 | 1846 |
800 | 975 | 1015 | 920 | 950 | 880 | 905 | 24-30 | 24-33 | 660 | 44 | 5 | 1000 | 1760 | 680 | 1190 * 580 | 2760 |
900 | 1075 | 1115 | 1020 | 1050 | 980 | 1005 | 24-30 | 28-33 | 711 | 46 | 5 | 1200 | 1930 | 760 | 1280 * 570 | 3760 |
1000 | 1175 | 1230 | 1120 | 1160 | 1080 | 1110 | 28-30 | 28-36 | 811 | 50 | 5 | 1200 | 1960 | 800 | 1390 * 580 | 4400 |
1200 | 1405 | 1455 | 1340 | 1380 | 1295 | 1330 | 32-33 | 32-39 | 960 | 56 | 5 | 1400 | 2440 | 840 | 1680 * 780 | 6787 |
1400 | 1630 | 1675 | 1560 | 1590 | 1510 | 1530 | 36-36 | 36-42 | 960 | 62 | 5 | 1400 | 3020 | 1000 | 1900 * 850 | 8540 |
1600 | 1830 | 1915 | 1760 | 1820 | 1710 | 1750 | 40-36 | 40-48 | 1160 | 68 | 5 | 1600 | 3627 | 1250 | 2360 * 980 | 12480 |
1800 | 2045 | 2115 | 1970 | 2020 | 1920 | 1950 | 44-39 | 44-48 | 1160 | 70 | 5 | 1600 | 4107 | 1357 | 2740 * 1108 | 16790 |
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