Rotari BOP
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API 16 RCD Ifọwọsi Rotari Preventer
Awọn oludena fifun afẹfẹ iyipo ti fi sori ẹrọ lori oke BOP anular. Lakoko awọn iṣẹ liluho ti ko ni iwọntunwọnsi ati awọn iṣẹ liluho titẹ miiran, o ṣe iranṣẹ idi ti yiyi ṣiṣan nipasẹ lilẹ okun lilu yiyi. Nigba lilo ni apapo pẹlu liluho BOP, lu okun ṣayẹwo falifu, epo-gas separators, ati snubbing sipo, o faye gba fun ailewu pressurized liluho ati snubbing mosi. O ṣe ipa pataki ninu awọn iṣẹ pataki gẹgẹbi idasile epo kekere-titẹ ati awọn ipele gaasi, liluho-imudaniloju, liluho afẹfẹ, ati snubbing awọn atunṣe daradara.