| Parameter | Compliance to |
|---|---|
| Design | API 6D – ISO 14313 / API 594 |
| Pessure Temperature Rating | ASME B 16.34 |
| Face to Face / End to End | API-6D |
| End Connection Dimensions | Wafer to suit PN 20 (ASME 150 Class), PN 50 (ASME 300 Class), PN 100 (ASME 600 Class) |
| Inspection & Testing | ISO 5208 / API 598 / BS 6755 PART I |
AI 6D Long Pattern Dual Plate Check Valve
| 50 | 65 | 80 | 100 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | |
| A | 101 | 120 | 133 | 171 | 218 | 276 | 336 | 406 | 447 | 511 | 546 | 603 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| B | 60 | 67 | 67 | 73 | 98 | 127 | 146 | 181 | 184 | 191 | 203 | 219 |
| C | 60 | 73 | 89 | 114 | 168 | 219 | 273 | 324 | 356 | 406 | 457 | 508 |