蜗轮通风蝶阀用途及特点
D341W-1通风蝶阀采用阀体同质材料加工成密封圈，采用蜗轮传动。一般适用于工业，环保等管路作通风型调节介质流量之用。
蜗轮通风蝶阀采用标准
法兰连接尺寸：GB9115-88
结构长度：GB12221-89
压力试验：GB/T13927-92：ZBJ16006-90
|
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
|
|
|
|
|
|
|
