China • Yuanda Valve Group Co., Ltd.
Hundreds of Yuanda, Lean Change. Choosing Yuanda Means Reliable. The group attaches importance to the construction of corporate culture, and has three value concepts of "development concept", "people
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The grooved butterfly valve adopts worm gear and worm drive, and then the cam rotates to press or release the contact on the signal device according to the predetermined position, and the corresponding "on" and "off" electrical signals are output to display the opening and closing status of the butterfly valve. Grooved butterfly valves are divided into handle grooved butterfly valves and turbine grooved butterfly valves.
| DN | L | L1 | L2 | ф | ф1 | H | c |
| 65 | 103±2 | 14.5 | 9.5 | 71.6 | 76 | 178 | 200 |
| 80 | 103±2 | 14.5 | 9.5 | 84.6 | 89 | 202 | 245 |
| 100 | 118±2 | 16 | 9.5 | 109.6 | 114 | 222 | 280 |
| 125 | 128±2 | 16 | 9.5 | 135.6 | 140 | 233 | 280 |
| 150 | 150±2 | 16 | 9.5 | 160.6 | 165 | 257 | 280 |
| 1200 | 188±2 | 19 | 13 | 214 | 219 | 295 | 320 |
| Body | Ductile Iron |
| Disc | Ductile Iron /ss |
| Stem | ss |
| Handle | steel |
| seat | EPDM / NBR |
| Nominal pressure | 1.6mpa |
| Shell test | 2.4 mpa (water) |
| Seal Test | 0.6mpa (gas) |
| Seal Test | 1.76 mpa (water) |
| Suitable temperature | ≤80℃ |
| Suitable medium | water |
| butterfly plate corner | 90° |
