| Place of origin | Tianjin,China |
| Product name | Check valve |
| material | DI-C958,SS304 body/C958 disc/EPDM seat/ss420 stem |
| Port size | DN50-DN1200 |
| TOP FLANGE | ISO5211 |
| face to face | ISO5752 |
| Working pressure | low and medium pressure |
| Application | water,oil ,gas |
| guarantee period | 18 month |

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