All series
Product overview
Butterfly valves are made of steel and designed with mechanical seal structure. The flow direction arrow and switch positioning device are located at shaft head. Customized butterfly valve is also available depends on customers’ requirements. Furthermore, the corresponding installing bolts and nuts will be provided with valve. The leaked oil is less than 10 grams under 0.5Mpa for 5 min. The customized butterfly valves, such as particular specification and material, are also available according to clients’ requirements.
Use Condition
Ambient temperature: -30℃~40℃;
Working temperature：-30℃~120℃;
Model Direction
Shape and Installation Dimensions
|
Model |
A (mm) |
D (mm) |
D1 mm) |
D2 (mm) |
D3 (mm) |
hi (mm) |
h2 (mm) |
h3 (mm) |
n (mm) |
d (mm) |
Remarks |
|
BDB-150/50 |
110 |
50 |
68 |
88 |
110 |
3 |
32.5 |
36.5 |
4 |
14 |
Figure 1 |
|
BDB-150/50 |
125 |
50 |
68 |
88 |
125 |
3 |
32.5 |
36.5 |
4 |
14 |
Figure 1 |
|
BDB-150/80 |
150 |
80 |
96 |
116 |
150 |
3 |
35 |
41 |
4 |
22 |
Figure 1 |
|
BDB-150/80 |
160 |
80 |
96 |
116 |
160 |
3 |
35 |
41 |
4 |
22 |
Figure 1 |
|
YBDB-150/80 |
195 |
80 |
96 |
116 |
160 |
3 |
35 |
41 |
4 |
18 |
Figure 2 |
|
BDB-250/100 |
220 |
100 |
125 |
145 |
180 |
4 |
40 |
44 |
8 |
18 |
Figure 2 |
|
BDB-250/125 |
250 |
125 |
149 |
169 |
210 |
4 |
40 |
44 |
8 |
18 |
Figure 2 |
|
BDB-250/150 |
280 |
150 |
177 |
201 |
240 |
4 |
46 |
50 |
8 |
22 |
Figure 2 |
|
BDB-250/200 |
340 |
200 |
218 |
250 |
295 |
4 |
46 |
50 |
8 |
22 |
Figure 2 |
General Parameters
| Model | Nominalpressure(mm) | Nominal diameter(mm) | Connection bolt circle diameter(mm) | Connecting bolt diameter (kpa) |
| BDB-150/50 | 150 | 50 | 110/125 | M12 |
| BDB-150/80 | 150 | 80 | 150/160 | M20/M16 |
| BDB-250/100 | 250 | 100 | 180 | M16 |
| BDB-250/125 | 250 | 125 | 210 | M16 |
| BDB-250/150 | 250 | 150 | 240 | M20 |
| BDB-250/200 | 250 | 200 | 295 | M20 |
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