The Inside BOP Valve is a specialized check valve designed with large pressure drop capability. Its tapered plug design reduces cutting action of drilling mud on the seat, ensuring proper closure positioning.
| Model | OD mm (inch) | ID mm (inch) | Connection API | Working Pressure MPa (PSI) |
|---|---|---|---|---|
| FP95 | 95 (3-3/4) | 35 (1-3/8) | NC26 | 35~70 (5,000~10,000) |
| FP111 | 111 (4-3/8) | 35 (1-3/8) | NC31 | 35~70 (5,000~10,000) |
| FP121 | 120.7 (4-3/4) | 45 (1-25/32) | NC38 | 35~70 (5,000~10,000) |
| FP159 | 159 (6-1/4) | 57.2 (2-1/4) | NC50 | 35~70 (5,000~10,000) |
| FP165 | 165 (6-1/2) | 57.2 (2-1/4) | NC50 | 35~70 (5,000~10,000) |
| FP178 | 178 (7) | 57.2 (2-1/4) | HT55 | 35~70 (5,000~10,000) |