The wormgear butterfly valve is simple in structure, small in size and light in weight, and is composed of only a few parts. And it can be quickly opened and closed by rotating 90°, the operation is simple, and the valve has good fluid control characteristics.
DN
(mm)
Dimension
Operating
Pressure
Mpa
D1
D2
D3
L1
L
H1
H2
n-Φ
D2
JIS
DIN
ANSI
125
131
210
210
210
8.50
250
300
70
163
93
8-18
0.5
150
153
240
240
240
9.50
285
300
74
176
93
8-22
0.5
200
204
295
290
295
11.75
340
180
87
210
93
12-22
0.4
250
255
350
355
350
14.25
395
180
114
240
93
12-22
0.3
300
307
400
400
400
17.00
445
180
114
270
93
12-22
0.3
350
358
460
445
460
18.75
505
180
127
300
93
16-22
0.3
400
389
515
510
515
21.25
580
240
140
350
108
16-22
0.3
450
446
565
565
565
22.75
615
240
152
370
108
20-26
0.2
500
494
620
620
620
25.00
670
260
152
400
108
20-26
0.2
600
590
725
7330
725
29.50
780
260
178
465
108
20-30
0.2
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