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The EFP 4-inch fracturing pump valve insert seals produced by JST uses modified TPU material, it is the consumables of fluid end valves and seats, which has excellent wear resistance and corrosion resistance. The frac pump valve insert seals are fluid end consumables, it plays important role in oilfield. It is mainly used in oil field fracturing truck, well washing truck, cement truck, plumger pum...
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