The subsurface sucker rod pumps are manufactured in accordance with API 11AX, and have been API monogrammed and ISO 9001 licensed. Technology was introduced from USA in 1980’ s. More than 40 models and sizes of sucker rod pumps are available with the diameter ranging from 28 mm to 108 mm. Annual production capacity: 150, 000 sets .Conventional pump types: rod pump, tubing pump.
For tubing pump, the barrel will be put into the predetermined depth with tubing. And then put the plunger into the barrel with sucker rod. With same the tubing size, the bore of the tubing pump is larger than that of the rod pump, so the tubing pump’s discharge rate is higher than rod pump.
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