Dual Plate Check Valve:
China Dual Plate Check Valve:
Dual Plate Check valve is also called wafer butterfly check valve, dual disc check valve. Itautomatically opens and close by the flow of the medium itself to prevent the back flow of the medium.
Technical Specification:
1. Working Pressure: 0.05~1.0Mpa
2. Opening Pressure: <=0.05Mpa
3. Suitable Medium: fresh water, sea water, oil
Main Parts & Material:
1.Body---Cast Iron, Nodular Iron, WCB, Stainless Steel
2.Disc---Nodular Iron with galv,Bronze, Stainless Steel
3.Seat---NBR, EPDM
4.Screw Plug---Stainless Steel
5.Stem---Stainless Steel
6. Gasket--F4
7.Spring---Stainless Steel
Main Size (mm):
ISO 0.6Mpa
| DN | valve dimension | |||
| L | D | t | R | |
| 50 | 43 | 96 | 19 | 28.8 |
| 65 | 46 | 116 | 20 | 36.1 |
| 80 | 64 | 132 | 23 | 43.4 |
| 100 | 64 | 152 | 26 | 52.8 |
| 125 | 70 | 182 | 30 | 65.7 |
| 150 | 76 | 207 | 31 | 78.6 |
| 200 | 89 | 262 | 33 | 104.4 |
| 250 | 114 | 317 | 45 | 127 |
| 300 | 114 | 372 | 45 | 147 |
| 350 | 127 | 422 | 50 | 173 |
| 400 | 140 | 472 | 54 | 198 |
| 450 | 152 | 527 | 58 | 217.8 |
| 500 | 152 | 577 | 58 | 241 |
| 600 | 178 | 678 | 73 | 298 |
ISO 1.0Mpa:
| DN | valve dimension | |||
| L | D | t | R | |
| 50 | 43 | 107 | 19 | 28.8 |
| 65 | 46 | 127 | 20 | 36.1 |
| 80 | 64 | 142 | 23 | 43.4 |
| 100 | 64 | 162 | 26 | 52.8 |
| 125 | 70 | 192 | 30 | 65.7 |
| 150 | 76 | 218 | 31 | 78.6 |
| 200 | 89 | 273 | 33 | 104.4 |
| 250 | 114 | 327 | 45 | 127 |
| 300 | 114 | 377 | 45 | 147 |
| 350 | 127 | 437 | 50 | 173 |
| 400 | 140 | 488 | 54 | 198 |
| 450 | 152 | 538 | 58 | 217.8 |
| 500 | 152 | 593 | 58 | 241 |
| 600 | 178 | 695 | 73 | 298 |
