Ball-throwing circulating valv
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Product introduction： |
The ball-throwing circulating valve is connected below the safety joint for large displacement circulation at the upper part of the coiled tubing working string. When the coiled tubing is stuck, the circulating passage can be opened by throwing a ball to wash well with large displacement, or the tubing can be directly pressed, so that the piston can cut the pins up and establish the circulating passage.
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