| Model | FZ28-35 | FZ28-70 | FZ28-105 | FZ28-140 |
| Bore Size | 279.4 mm (11″) |
279.4 mm (11″) |
279.4 mm (11″) |
279.4 mm (11″) |
| Upper connection | Studded/Flange | Studded/Flange | Studded/Flange | Studded/Flange |
| Bottom connection | Flange | Studded/Flange | Flange | Flange |
| Rated working pressure | 35 Mpa (5000 psi) |
70 Mpa (10000 psi) |
105 Mpa (15000 psi) |
140 Mpa (20000 psi) |
| Recommended hydraulic operating pressure | 8.4-10.5 Mpa (1200-1500 psi) |
8.4-10.5 Mpa (1200-1500 psi) |
8.4-10.5 Mpa (1200-1500 psi) |
8.4-10.5 Mpa (1200-1500 psi) |
| Required hydraulic oil to open | 26 L | 35 L | 30 L | 43 L |
| Required hydraulic oil to close | 27 L | 38 L | 32 L | 45 L |
| Weight | 5500 kg | 4500 kg | 7000 kg | 10000 kg |
Single Ram BOP (FZ28)
Model: FZ28-35, FZ28-70, FZ28-105, FZ28-140
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