Complaint
| BOP Model | Variable Ram Rubber (in) | ||||||||
| Type | Bore mm(in) | Working pressure MPa(psi) | Temperature grade (°C) | 2 3/8"-3 1/2" | 2 7/8"-5" | 3 1/2"-5" | 4 1/2"-5 1/2" | 4 1/2"-7" | 5"-7" |
| S | 179(7 1/16) | 35(5000) | -18°C -- 121°C | √ | |||||
| 70(10000) | √ | ||||||||
| 279(11) | 35(5000) | √ | √ | ||||||
| 70(10000) | √ | √ | |||||||
| 105(15000) | √ | ||||||||
| 346(13 5/8) | 35(5000) | √ | √ | √ | √ | √ | |||
| 70(10000) | √ | √ | √ | √ | |||||
| 105(15000) | √ | √ | √ | √ | |||||
| 540(21 1/4) | 14(2000) | √ | |||||||
| 21(3000) | √ | ||||||||
| 35(5000) | √ | ||||||||
| U | 279(11) | 35(5000) | √ | √ | √ | ||||
| 70(10000) | √ | √ | √ | ||||||
| 105(15000) | |||||||||
| 346(13 5/8) | 35(5000) | √ | √ | √ | √ | √ | |||
| 70(10000) | √ | √ | √ | √ | √ | ||||
| 105(15000) | √ | √ | |||||||
| Iitem | Inspection item | Technical specification ≤35MPa | Technical specification ≥70MPa |
| 1 | toughness A | 75±5 | 85±5 |
| 2 | 300% tensile toughness Mpa | ≥10 | ≥10 |
| 3 | tensile toughness Mpa | ≥19.6 | ≥19.6 |
| 4 | elongation rate % | ≥250 | ≥200 |
| 5 | permanent distortion % | ≤25 | ≤20 |
| 6 | aging rate120ºC×24h | ≥0.6 | ≥0.6 |
| 7 | brittleness temperatureºC | ≤-18 | ≤-18 |
| 8 | brittleness temperature KN/m | ≥40 | ≥40 |
| 9 | brittleness temperature Mpa | ≥4 | ≥4 |
| Iitem | Inspection item | Technical specification |
| 1 | toughness A | 90±5 |
| 3 | tensile strength Mpa | ≥18 |
| 4 | elongation rate % | ≥100 |
| 5 | aging rate90ºC×24h | ≥0.75 |
| 6 | permanent compressing rate % | ≤20 |
| A100ºC×70h |
