Electric ventilation butterfly valve
Electric ventilation butterfly valve
Nominal diameter: DN50 ~ 2000mm
Nominal pressure: PN0.05 ~ 0.6MPa
Special steel materials, stainless steel, nickel-chromium-molybdenum steel, Titanium, chromium, molybdenum and titanium steel: Main material
Drive: air drive, electric drive
Design Standard: GB / T12238-1989 JB / T8692-1998
Flange connection size: GB / T9115.1-2000
Structure length h: GB / T12221-1989
Pressure test: GB / T13927-1992; JB / T9092-1999
First, the main technical parameters of electric ventilation butterfly valve
Nominal diameter | DN (mm) | 50 ~ 2000 | ||
Nominal pressure | PN (Mpa) | 0.05 | 0.25 | 0.6 |
test pressure | Strength test | 0.075 | 0.375 | 0.9 |
Seal test | ≤ 1.5% leakage | |||
Suitable media | Gas, dust gas, flue gas and so on | |||
proper temperature | Gas transmission, electric transmission | |||
Second, the main parts of electric ventilation butterfly valve material
Part Name | material |
Body | Cast steel, stainless steel, chrome nickel molybdenum titanium steel, chromium molybdenum titanium steel and other special materials |
Butterfly plate | Cast steel, stainless steel, chrome nickel molybdenum titanium steel, chromium molybdenum titanium steel and other special materials |
Sealing ring | Same as valve body |
Valve stem | Carbon steel, 2Cr13, stainless steel, chrome nickel molybdenum titanium steel |
filler | Fluoroplastic, flexible graphite |
Third, the electric ventilation butterfly valve connection size
Nominal diameter | Structure length | Dimensions (reference value) | Connection size (standard value) | Reference (kg) | |||||||||
0.05MPa and 0.25MPa | 0.6MPa | ||||||||||||
Mm | inch | L | H | H0 | A | B | D | D1 | nd | D | D1 | nd | |
50 | 2 | 108 | 70 | 418 | 250 | 225 | 140 | 110 | 4-14 | 140 | 110 | 4-14 | 42 |
65 | 2 1/2 | 112 | 80 | 438 | 250 | 225 | 160 | 130 | 4-14 | 160 | 130 | 4-14 | 53 |
80 | 3 | 114 | 95 | 466 | 250 | 225 | 190 | 150 | 4-18 | 190 | 150 | 4-18 | 62 |
100 | 4 | 127 | 105 | 486 | 250 | 225 | 210 | 170 | 4-18 | 210 | 170 | 4-18 | 81 |
125 | 5 | 140 | 120 | 516 | 325 | 245 | 240 | 200 | 8-18 | 240 | 200 | 8-18 | 90 |
150 | 6 | 140 | 132 | 541 | 325 | 245 | 265 | 225 | 8-18 | 265 | 225 | 8-18 | 100 |
200 | 8 | 152 | 160 | 779 | 325 | 245 | 320 | 280 | 8-18 | 320 | 280 | 8-18 | 110 |
250 | 10 | 165 | 187 | 836 | 363 | 313 | 375 | 335 | 12-18 | 375 | 335 | 12-18 | 145 |
300 | 12 | 178 | 220 | 901 | 363 | 313 | 440 | 395 | 12-22 | 440 | 395 | 12-22 | 160 |
350 | 14 | 190 | 245 | 954 | 363 | 313 | 490 | 445 | 12-22 | 490 | 445 | 12-22 | 215 |
400 | 16 | 216 | 270 | 1003 | 363 | 313 | 540 | 495 | 16-22 | 540 | 495 | 16-22 | 230 |
450 | 18 | 222 | 297 | 1058 | 465 | 439 | 595 | 550 | 16-22 | 595 | 550 | 16-22 | 250 |
500 | 20 | 229 | 322 | 1111 | 546 | 556 | 645 | 600 | 20-22 | 645 | 600 | 20-22 | 260 |
600 | 24 | 267 | 377 | 1233 | 546 | 556 | 755 | 705 | 20-26 | 755 | 705 | 20-26 | 370 |
700 | 28 | 292 | 430 | 1338 | 546 | 556 | 860 | 810 | 24-26 | 860 | 810 | 24-26 | 400 |
800 | 32 | 318 | 487 | 1452 | 546 | 556 | 975 | 920 | 24-30 | 975 | 920 | 24-30 | 560 |
900 | 36 | 330 | 537 | 1588 | 632 | 706 | 1075 | 1020 | 24-30 | 1075 | 1020 | 24-30 | 800 |
1000 | 40 | 410 | 587 | 1689 | 632 | 706 | 1175 | 1120 | 28-30 | 1175 | 1120 | 28-30 | 660 |
1200 | 48 | 470 | 702 | 1938 | 632 | 706 | 1375 | 1320 | 32-30 | 1405 | 1340 | 32-33 | 950 |
1400 | 56 | 530 | 782 | 2670 | 790 | 1338 | 1575 | 1520 | 36-30 | 1630 | 1560 | 36-36 | 1280 |
1600 | 64 | 600 | 895 | 2810 | 868 | 1476 | 1790 | 1730 | 40-30 | 1830 | 1760 | 40-36 | 1510 |
1800 | 72 | 670 | 995 | 3020 | 868 | 1476 | 1990 | 1930 | 44-30 | 2045 | 1970 | 44-39 | 2500 |
2000 | 80 | 760 | 1095 | 3220 | 965 | 1600 | 2190 | 2130 | 48-30 | 2265 | 2180 | 48-42 | 2900 |
| Address: No.8-7, Runyang New Town, No.507, Jiankang West Street, Weicheng District, Weifang, Shandong | 
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