| Size | DN50 – DN600 |
| Type | Dual Disc Fully Rubber lined/ Unlined Body |
| Rating | ANSI – 150#,300#,600# |
Dual Plate Check Valve
| General design and manufacture | API 594 |
| Valve face to face dimension | API 594 |
| Flange Standard Conformity | ASME B 16.5, ASME B16.47 (Series A) |
| Testing | API 598 |
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