D941W蝶阀采用阀体同质材料加工成密封圈，采用电动蜗轮传动。一般适用于工业，环保等管路作通风型调节介质流量之用。
蝶阀采用标准 
法兰连接尺寸：GB9115-88
结构长度：GB12221-89
压力试验：GB/T13927-92：ZBJ16006-90
D941W电动通风型蝶阀_主要技术参数
通风D94（0、1）W-（0.5、2.5、6）C、P、R、V连接尺寸
通径DN | L | D1 | D | Z-D | H | HO | A | B | DO | WT/KGS |
50 | 108 | 110 | 140 | 4-14 | 70 | 443 | 193 | 125 | 80 | 51 |
65 | 112 | 130 | 160 | 4-14 | 80 | 463 | 193 | 125 | 80 | 62 |
80 | 114 | 150 | 190 | 4-18 | 95 | 483 | 193 | 125 | 80 | 73.5 |
100 | 127 | 170 | 210 | 4-18 | 105 | 498 | 193 | 125 | 80 | 87 |
125 | 140 | 200 | 240 | 8-18 | 120 | 682 | 193 | 245 | 150 | 98 |
150 | 140 | 225 | 265 | 8-18 | 132.5 | 736 | 193 | 245 | 150 | 102 |
200 | 152 | 280 | 320 | 8-18 | 160 | 800 | 283 | 245 | 150 | 150 |
250 | 165 | 335 | 375 | 12-18 | 187.5 | 895 | 283 | 313 | 200 | 170 |
300 | 178 | 395 | 440 | 12-22 | 220 | 956 | 334 | 313 | 200 | 220 |
350 | 190 | 445 | 495 | 12-22 | 245 | 1029 | 334 | 313 | 250 | 350 |
400 | 216 | 495 | 540 | 16-22 | 270 | 1103 | 425 | 313 | 250 | 430 |
450 | 222 | 550 | 595 | 16-22 | 297.5 | 1280 | 425 | 439 | 300 | 550 |
500 | 229 | 600 | 645 | 20-22 | 322.5 | 1186 | 425 | 431 | 360 | 580 |
600 | 267 | 705 | 755 | 20-26 | 377.5 | 1321 | 425 | 556 | 360 | 850 |
700 | 292 | 810 | 860 | 24-26 | 430 | 1431 | 620 | 556 | 360 | 950 |
800 | 318 | 920 | 975 | 24.30 | 487.5 | 1542 | 6520 | 556 | 360 | 1150 |
900 | 330 | 1020 | 1075 | 24-30 | 537.5 | 1800 | 620 | 706 | 360 | 1750 |
1000 | 410 | 1120 | 1175 | 28-30 | 587.5 | 2363 | 620 | 706 | 360 | 2100 |
1200PN0.6 | 470 | 1340 | 1405 | 32-33 | 702.5 | 2583 | 620 | 706 | 360 | 2580 |
1200PN0.25 | 470 | 1320 | 1375 | 32-30 | 687.5 | | | | | |
1400 | 530 | | 1420 | 36-30 | | | | | | |
1600 | 600 | | 1620 | 40-33 | | | | | | |
1800 | 670 | | 1820 | 44-39 | | | | | | |
2000 | 760 | | 2020 | 48-42 | |
