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Blowout preventer accumulator unit is a very important equipment which controls BOP stacks and gate valves controlled by hydraulic pressure especially in drilling and workover operations. It is necessary to accurately operate and maintain the hydraulic control system. It consists of remote control system, driller's panel, air cable (except electrical type), pipe rack (electrical warming system available for cold area), high pressure manifold, protection room, etc.
The function of the blowout preventer accumulator unit for surface mounted Bop stacks is preparing and prestoring enough hydraulic oil and controlling its flow direction, in order to open or close Bop quickly. As the hydraulic oil used, the pressure drops down, when the pressure lowers to a certain value, the blowout preventer accumulator unit will renew the hydraulic oil automatically to keep the pressure in a certain high value.
BOBAN Accumulator unit is designed, manufactured and inspected in accordance with API16D, and it can be divided into two types: Electrical type FKDQ series and Pneumatic type FKQ series.
| Model | Number of controlled objects | Accumulator unit | Explosion-proof motor Power(Kw) | Pump system displacement | Rated operating pressure of the system (Mpa) | Maximum operating pressure of the system (Mpa) | |||
| Total volume (L) | Available liquid volume (L) | Installation mode | Triplex pump (mL/r) | Pneumatic pump (mL/stroke) | |||||
| FKDQ1920-13 | 13 | 80×24 | 960 | Side / Rear | 18.5×3 | 80×3 | 120×5 | 21 | 31.5 |
| FKDQ1600-14 | 14 | 80×20 | 800 | Side / Rear | 18.5×2 | 80×2 | 120×4 | 21 | 31.5 |
| FKDQ1600-12 | 12 | 80×20 | 800 | Side / Rear | 18.5×2 | 80×2 | 120×4 | 21 | 31.5 |
| FKDQ1600-10 | 10 | 80×20 | 800 | Side / Rear | 18.5×2 | 80×2 | 120×4 | 21 | 31.5 |
| FKDQ1440-14 | 14 | 60×24 | 720 | Side / Rear | 18.5×2 | 80×2 | 120×4 | 21 | 31.5 |
| FKDQ1280-10 | 10 | 80×16 | 640 | Side / Rear | 18.5×2 | 80×2 | 120×3 | 21 | 31.5 |
| FKDQ1280-9 | 9 | 80×16 | 640 | Side / Rear | 18.5×2 | 80×2 | 120×3 | 21 | 31.5 |
| FKDQ1280-8 | 8 | 80×16 | 640 | Side / Rear | 18.5×2 | 80×2 | 120×2 | 21 | 31.5 |
| FKDQ1280-7 | 7 | 80×16 | 640 | Side / Rear | 18.5×2 | 80×2 | 120×2 | 21 | 31.5 |
| FKDQ1200-17 | 17 | 60×20 | 600 | Side / Rear | 18.5×2 | 80×2 | 120×3 | 21 | 31.5 |
| FKDQ1200-9 | 9 | 60×20 | 600 | Side / Rear | 18.5×2 | 80×2 | 120×3 | 21 | 31.5 |
| FKDQ1200-8 | 8 | 60×20 | 600 | Side / Rear | 18.5×2 | 80×2 | 120×2 | 21 | 31.5 |
| FKDQ960-8 | 8 | 60×16 | 480 | Side / Rear | 18.5×2 | 80×2 | 120×2 | 21 | 31.5 |
| FKDQ960-7 | 7 | 60×16 | 480 | Side / Rear | 18.5×2 | 80×2 | 120×2 | 21 | 31.5 |
| FKDQ800-8 | 8 | 40×20 | 400 | Side / Rear | 18.5 | 80 | 120 | 21 | 31.5 |
| FKDQ 800-7 | 7 | 40×20 | 400 | Side / Rear | 18.5 | 80 | 120 | 21 | 31.5 |
| FKDQ 800-6 | 6 | 40×20 | 400 | Side / Rear | 18.5 | 80 | 120 | 21 | 31.5 |
| FKDQ720-7 | 7 | 60×12 | 360 | Side / Rear | 18.5 | 80 | 120 | 21 | 31.5 |
| FKDQ 720-6 | 6 | 60×12 | 360 | Side / Rear | 18.5 | 80 | 120 | 21 | 31.5 |
| FKDQ 640-6 | 6 | 40×16 | 320 | Side / Rear | 18.5 | 80 | 120 | 21 | 31.5 |
| FKDQ 640-5 | 5 | 40×16 | 320 | Side / Rear | 18.5 | 80 | 120 | 21 | 31.5 |
| FKDQ 480-5 | 5 | 40×12 | 240 | Side / Rear | 18.5 | 80 | 120 | 21 | 31.5 |
| FKDQ 480-4 | 4 | 40×12 | 240 | Side / Rear | 18.5 | 80 | 120 | 21 | 31.5 |
| FKDQ320-5 | 5 | 40×8 | 160 | Side / Rear | 15 | 60 | 120 | 21 | 31.5 |
| FKDQ320-4 | 4 | 40×8 | 160 | Side / Rear | 15 | 60 | 120 | 21 | 31.5 |
| FKDQ320-3 | 3 | 40×8 | 160 | Side / Rear | 15 | 60 | 120 | 21 | 31.5 |
| FKDQ240-3 | 3 | 40×6 | 120 | Side / Rear | 15 | 60 | 120 | 21 | 31.5 |
| FKDQ200-4 | 4 | 25×8 | 100 | Side / Rear | 15 | 60 | 120 | 21 | 31.5 |
| FKDQ160-3 | 3 | 40×4 | 80 | Side / Rear | 15 | 60 | 120 | 21 | 31.5 |
| FKDQ150-2 | 2 | 50×3 | 75 | Side / Rear | 15 | 60 | 120 | 21 | 31.5 |
| FKDQ125-3 | 3 | 25×5 | 62.5 | Side / Rear | 7.5/11 | 28 | × | 21 | 21 |
| FKDQ80-3 | 3 | 40×2 | 40 | Side / Rear | 7.5 | 28 | × | 21 | 21 |
| FKDQ80-2 | 2 | 40×2 | 40 | Side / Rear | 7.5 | 28 | × | 21 | 21 |
| FKDQ75-2 | 2 | 25×3 | 62.5 | Side / Rear | 7.5 | 28 | × | 21 | 21 |
| FKDQ63-2 | 2 | 63×1 | 31.5 | Side / Rear | 7.5 | 28 | × | 21 | 21 |
| FKDQ50-2 | 2 | 25×2 | 25 | Side / Rear | 7.5 | 28 | × | 21 | 21 |
| FKDQ40-2 | 2 | 40×1 | 20 | Side / Rear | 7.5 | 28 | × | 21 | 21 |
| FKDQ25-2 | 2 | 25×2 | 12.5 | Side / Rear | 7.5 | 28 | × | 21 | 21 |
| FKDQ25-1 | 1 | 25×2 | 12.5 | Side / Rear | 7.5 | 28 | × | 21 | 21 |
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