Active Member
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[China]
Address: Jianshe South Street, Yuhua District, Shijiazhuang City, Hebei Province, China
Contact name:Ada Chen
China • Yuanda Valve Group Co., Ltd. |
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Ball valve and gate valve belong to the same type of valve. The difference is that its closing part is a ball. The ball rotates around the center line of the valve body to open and close. Ball valve is mainly used to cut off, distribute and change the flow direction of medium in the pipeline. Flange ball valve standard GB / t21465-2008 "valve terminology" is defined as a valve in which the hoist (ball) is driven by the valve stem and rotates around the axis of the valve stem.
| Flange end | JIS B 2239/KSB1511 |
| Norminal pressure | 10K |
| Seal test (water) | 1.6 mpa |
| Shell test (water) | 2.1 mpa |
| Temp: | -10-200℃ |
| Suitable medium | wter steam oil |
| DN | L | D | D1 | b | Z-фd |
| 40 | 165±1.5 | 140 | 105±0.5 | 19 | 4-ф19 |
| 50 | 180±1.5 | 155 | 120±0.5 | 20 | 4-ф19 |
| 65 | 192±1.5 | 175 | 140±0.5 | 20 | 4-ф19 |
| 80 | 200±1.5 | 185 | 150±0.5 | 21 | 8-ф19 |
| 100 | 230±1.5 | 210 | 175±0.5 | 22 | 8-ф19 |
| 125 | 265±1.5 | 250 | 210±0.5 | 22 | 8-ф23 |
| 150 | 277±1.5 | 280 | 240±0.5 | 23 | 8-ф23 |
| 200 | 340±1.5 | 330 | 290±0.5 | 26 | 12-ф23 |
