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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GB / ANSI Pneumatically Operated Butterfly Valve for 0.4 MPa Air Pressure
Pneumatic piston low load on-off butterfly valve
ZSHW Series of Ventilating Butterfly Valve, its body, valve disc are welded by the steel processing, it's a kind of light weight, simple structure, convenient operation butterfly valve. Equipped with gear, rack type double piston pneumatic actuator or electronic type electric actuator, which suitable for low differential pressure, not high air leakage requirement sites, and other gas flow& pressure control condition, as well as for the condition of high temperature gas.
Table 1
Item |
Part |
Materials |
1 |
Body |
Q235B,304,316 |
2 |
Disc |
Q235B,304,316 |
3 |
Guide sleeve |
QAl9-4,316 |
4 |
Lower cover |
Q235B,304,316 |
5 |
Bearing |
Bearing steel |
6 |
Lower stem |
304,316 |
7 |
Upper stem |
304,316 |
8 |
Packing gland |
304 |
9 |
Packing |
PTFE,Flexible graphite |
10 |
Stud |
35,304 |
11 |
Nut |
45,304 |
Specification and Technical Parameter
Table 2 Rated Flow Coefficient
DN(mm) |
100 |
150 |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
600 |
Rated Kv |
405 |
1150 |
2030 |
3150 |
4550 |
6200 |
8100 |
10260 |
13500 |
19800 |
DN(mm) |
700 |
800 |
900 |
1000 |
1100 |
1200 |
1300 |
1400 |
1500 |
1600 |
Rated Kv |
27000 |
35700 |
44600 |
55080 |
66650 |
81000 |
95060 |
110250 |
125000 |
144000 |
Table 3 Technical Parameter
DN(mm) |
|