4 Inch Ball Valve
Description of 4 Inch Ball Valve:
ZECO4 inch flanged ball valveis also the most common batch products, which are mainly floating ball valves. Occasionally, fixed ball valves may be used due to special working conditions.ZECO and theNational Pump and Valve Testing Center are long-term strategic partners. As a check valve factory, ZECO regularly sends samples of products for routine use to the testing center for testing every year to verify that the products have not changed due to any possible changes in the long-term production process.
Features of 4 Inch Ball Valve:
- valve Chinais designed with automatic pressure relief structure.When the change of pressure or temperature in the pipeline causes the abnormal rise of pressure in the valve body, the medium will open the sealing ring by the pressure of overpressure for automatic pressure relief, so as to ensure the safety of the valve and the pipeline;
Material of 4 Inch Ball Valve:
|
No |
Part |
Material |
|
1 |
Body |
ASTM A105 |
|
2 |
Bonnet |
ASTM A105 |
|
3 |
Ball |
ASTM A182 F304 |
|
4 |
Seat |
ASTM A182 F304 |
|
5 |
Stem |
ASTM A276 304 |
|
6 |
Anti-static Device |
SS304 |
|
7 |
Gasket |
Graphite + SS304 |
|
8 |
Bolt |
ASTM A193 B7 |
|
9 |
Nut |
ASTM A194 2H |
|
10 |
O-ring |
Viton A |
|
11 |
Lever |
ASTM A216 WCB |
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