Handle wafer butterfly valve
main parts and materials
|
Body |
Valve Plate |
Valve Shaft |
Lining |
|
Ductile Iron |
Ductile Iron |
Stainless Steel 420 |
EPDM |
|
Cast Steel |
Stainless Steel304/316/316L |
Stainless Steel 316 |
NBR |
|
Stainless Steel |
Aluminium Bronze |
Stainless Steel 316 L |
PTFE |
|
Dual Phase Steel |
Else |
Else |
VITON Else |
|
Else |
Else |
Main Outer Size
|
Inch |
DN |
φA |
φB |
D |
E |
F |
1 |
Note |
|
2 |
50 |
50 |
105 |
116 |
57 |
147 |
151 |
The Handle Operation Worm gear and worm operation |
|
2-1/2 |
65 |
65 |
65 |
121 |
70 |
152 |
156 |
|
|
3 |
80 |
80 |
140 |
130 |
76 |
164 |
165 |
|
|
4 |
100 |
100 |
155 |
150 |
100 |
181 |
185 |
|
|
5 |
125 |
125 |
190 |
162 |
125 |
193 |
197 |
|
|
6 |
150 |
150 |
216 |
190 |
140 |
221 |
230 |
|
|
8 |
200 |
200 |
271 |
215 |
170 |
251 |
— |
Worm gear and worm operation |
|
10 |
250 |
250 |
326 |
250 |
202 |
286 |
— |
|
|
12 |
300 |
300 |
376 |
300 |
235 |
338.5 |
— |
|
|
14 |
350 |
325 |
422 |
350 |
248 |
390 |
— |
|
|
16 |
400 |
375 |
483 |
360 |
270 |
443 |
— |
|
|
18 |
450 |
425 |
425 |
400 |
327 |
483 |
— |
|
|
20 |
500 |
475 |
475 |
430 |
355 |
534 |
— |
|
|
24 |
600 |
575 |
575 |
517 |
417 |
638 |
— |
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