| Name | 20-3/4″ – 3,000 psi Spherical Annular BOP |
| Model | FH53-21 |
| Bore Size | 20-3/4″ (527 mm) |
| Rated Working Pressure | 3,000 psi (21 MPa) |
| Hydrostatic Shell Test Pressure | 4,500 psi (31.1 MPa) |
| Operating Chamber Rated WP. | 2,000 psi (14 MPa) |
| Hydraulic Control Syetem WP. | 3,000 psi (21 MPa) |
| Hydraulic Oil Volume for Open Chamber | 110 L |
| Hydraulic Oil Volume for Close Chamber | 173 L |
| Closure Range | 0 to 20-3/4″ (0-527 mm) |
| Hydraulic Connection Ports | NPT 1″ |
| Temp. Rating | (-29°C to 121°C) |
| Approx Weight | 15653 lbs (7100 kg) |
(FH53-21) 20-3/4″ – 3,000 psi Annular BOP
20-3/4″ – 3,000 psi Spherical Annular BOP
| Weight | 7100 kg |
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