SW Valve
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Butterfly Valve Selection
Nominal diameter： DN32-DN1000
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Butterfly Valve Selection
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Description
| Technique parameters： | |
| Nominal diameter： | DN50-DN300 |
| Face-face standard： | EN558 Series 20 |
| ISO 5752 Series 20 | |
| API 609 Table 1 | |
| Flange connection： | EN 1092 PN10/16 |
| Flange seal： | EN 1092 Form A/B |
| ASME RF,FF | |
| Top flange： | EN ISO 5211 |
| Seal standard： | EN12266 |
| ISO 5208 | |
| Working pressure： | biggest 16bar |
Product features:
1.complete two-way seal.
2.precise machining on both valve body and disc,ensuring small torque and long life.
3.Three bushings on valve shaft to prevent skew; even after many years usage,still ensure very high positioning precision. 4.Four flange positioning holes ensuring the correct position of valve when installing.
Application industry：
1.Chemical and petroleum.
2.Water processing and waste water processing.
3.transmission of gas.
4.ship building.
5.Power plant project,Environment protection project and thermal engineering project.
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Tianjin Shiwen Valve Manufacturing Co., Ltd. is a scientific and technological small and medium-sized enterprise specializing in valve research and
Address：No.5Rd,Xiaozhan Industrial Park,Jinnan District,Tianjin.P.R.China
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