The extended rod butterfly valve is suitable for regulating flow and intercepting medium in water supply and drainage
Design parameters
Design criteria: GB/T 2238-1989
Flange connection dimensions: GB/T9113.1-2000; GB/T9115.1-2000; JB78
Structure Length: GB/T12221-1989
Pressure test: GB/T13927-1992; JB/T9092-1999
technical standard
Nominal diameterDN(mm) | 50~800 |
Nominal pressurePN(MPa) | 0.6 | 1.0 | 1.6 |
Test pressure | strength test | 0.9 | 1.5 | 2.4 |
Sealing test | 0.66 | 1.1 | 1.76 |
Gas seal test | 0.6 | 0.6 | 0.6 |
Applicable medium | Air, water, sewage, steam, gas, oil, etc. |
Major Dimensions and Weights
PN(MPa) | DN(mm) | L | D | D1 | Z–ød | H | H0 | A | B | kg |
1.0 | 150 | 70 | 211 | 240 | 8-22 | 385 | 230 | 66 | 150 | 64 |
200 | 71 | 266 | 295 | 8-22 | 471 | 297 | 85 | 170 | 94 |
250 | 76 | 319 | 350 | 12-22 | 533 | 327 | 85 | 170 | 108 |
300 | 83 | 370 | 400 | 12-22 | 606 | 364 | 106 | 205 | 137 |
350 | 92 | 429 | 460 | 16-22 | 694 | 404 | 106 | 205 | 156 |
400 | 102 | 480 | 515 | 16-26 | 757 | 444 | 130 | 240 | 191 |
450 | 114 | 530 | 565 | 20-26 | 814 | 472 | 155 | 240 | 246 |
500 | 127 | 582 | 620 | 20-26 | 902 | 522 | 169 | 306 | 358 |
600 | 154 | 682 | 725 | 20-30 | 1048 | 590 | 198 | 324 | 512 |
700 | 165 | 794 | 840 | 24-30 | 1277 | 810 | 220 | 335 | 548 |
800 | 190 | 901 | 950 | 24-33 | 1385 | 844 | 241 | 356 | 654 |
900 | 203 | 1001 | 1050 | 28-33 | 1490 | 890 | 241 | 356 | 697 |
1000 | 216 | 1112 | 1160 | 28-36 | 1620 | 950 | 241 | 356 | 1320 |
1200 | 254 | 1328 | 1380 | 32-39 | 2191 | 1340 | 35 | 785 | 1425 |
1400 | 390 | 1530 | 1590 | 36-42 | 2326 | 1450 | 35 | 785 | 1943 |
1600 | 440 | 1750 | 1820 | 40-48 | 2685 | 1590 | 35 | 785 | 2854 |
1800 | 490 | 1950 | 2020 | 44-48 | 2924 | 1710 | 60 | 865 | 3639 |
2000 | 540 | 2150 | 2230 | 48-48 | 3186 | 1854 | 60 | 865 | 4982 |
1.6 | 150 | 70 | 211 | 240 | 8-22 | 385 | 230 | 66 | 150 | 66 |
200 | 71 | 266 | 295 | 12-22 | 471 | 297 | 85 | 170 | 90 |
250 | 76 | 319 | 355 | 12-26 | 533 | 327 | 85 | 170 | 116 |
300 | 83 | 370 | 410 | 12-26 | 606 | 364 | 106 | 205 | 145 |
350 | 92 | 429 | 470 | 16-26 | 694 | 404 | 106 | 205 | 167 |
400 | 102 | 480 | 525 | 16-30 | 757 | 444 | 130 | 240 | 202 |
450 | 114 | 548 | 585 | 20-30 | 814 | 472 | 155 | 240 | 257 |
500 | 127 | 609 | 650 | 20-33 | 902 | 522 | 169 | 306 | 381 |
600 | 154 | 720 | 770 | 20-36 | 1048 | 590 | 198 | 324 | 659 |
700 | 165 | 794 | 840 | 24-30 | 1277 | 810 | 241 | 335 | 918 |
800 | 190 | 901 | 950 | 24-39 | 1385 | 844 | 241 | 356 | 1205 |
900 | 203 | 1001 | 1050 | 28-39 | 1490 | 890 | 241 | 356 | 1526 |
1000 | 216 | 1112 | 1170 | 28-42 | 1620 | 950 | 241 | 356 | 1998 |
1200 | 254 | 1328 | 1390 | 32-48 | 2191 | 1340 | 35 | 785 | 2120 |
1400 | 390 | 1530 | 1590 | 36-48 | 2326 | 1450 | 35 | 785 | 2344 |
1600 | 440 | 1750 | 1820 | 40-55 | 2685 | 1590 | 35 | 785 | 3466 |
1800 | 490 | 1950 | 2020 | 44-55 | 2924 | 1710 | 60 | 865 | 4348 |
2000 | 540 | 2150 | 2230 | 48-60 | 3186 | 1854 | 60 | 865 | 5915 |