Place of Origin: | Zhejiang |
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Location: | Hangzhou, Zhejiang, China (Mainland) |
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Business Type: | Manufacturer |
Main Products: | Automatic Control Valve, Pipeline Ball Valve, Metal Seated Ball Valve |
Model No.: | YS |
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Pneumatic Piston High Performance Butterfly Valve with Carbon Steel Material
Pneumatic piston high performance on-off butterfly valve
ZSHWB Series of Double Eccentric Butterfly Valve(High performance butterfly valve),both valve disc and sealing ring are designed in special eccentric structure,with characteristics of impact structure, good shut-off performance, repair and replace conveniently and long operation life, so it has both regulating and shut-off functions, which could be widely used to cut off and regulate the processing fluids, such as metallurgy, oil, chemical engineering,electric power,natural gas. engineering, electric power,natural gas.
Feature:
Table 1 Main Performance Parameter
No. |
Item |
Pneumatic Type |
Electric Type |
|
1 |
Basic error(%) |
±2.5 |
±2.5 |
|
2 |
Backlash(%) |
2.5 |
2.0 |
|
3 |
Deadzone(%) |
2.0 |
3.0 |
|
4 |
Beginning and ending deviation(%) |
Beginning |
±2.0 |
±1.5 |
Ending |
||||
5 |
Rated angle deviation(%) |
+2.5 |
+0.5 |
|
6 |
Rated flow parameter deviation(%) |
+10 |
Table 2 Rated Flow Parameter
DN(mm) |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
|
Rated Kv |
100 |
150 |
200 |
405 |
620 |
1150 |
2030 |
3150 |
4550 |
6200 |
|
Piston type |
Single action |
83 |
83 |
100 |
|