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Arrow Type Check Valve
The arrow-type check valve uses an arrow-shaped sealing valve core with a streamlined shape and a small obstruction area. It is usually installed between the drill pipe and the drill bit, preventing drilling fluid from flowing back from the bottom of the well. It also prevents high-pressure oil and gas from spraying out of the drill string, serving as an important blowout preventer inside the drill string.
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The arrow-type check valve uses an arrow-shaped sealing valve core with a streamlined shape and a small obstruction area. It is usually installed between the drill pipe and the drill bit, preventing drilling fluid from flowing back from the bottom of the well. It also prevents high-pressure oil and gas from spraying out of the drill string, serving as an important blowout preventer inside the drill string.
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