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Main area：China、South America、North America、Europe
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Oil drilling and production accessories/plunger pump/body
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Dalian, Liaoning Province, China
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The characteristics of the product are: high grain size, high density, after anaerobic heat treatment process, the surface hardness of the workpiece is increased (58-60HRC) , the core hardness is (30-36HRC) , making the workpiece obtain good toughness, in the anti-fatigue, impact resistance, with close and other aspects of performance. 1. The valve rubber is assembled on the valve body, through the action of the spring and the liquid pressure, the valve base is pressed to form a seal, which is used for the seal between the high-pressure cavity and the low-pressure cavity of the piston pump. 2. The sealing media of the rubber cover are water, sand fracturing fluid (sand ratio ≤40%) , acid fracturing fluid (hydrochloric acid ratio 30%) , liquid carbon dioxide, etc. . 3. After the seal is formed on the pedestal, the rubber skin of Vere bears the liquid pressure in one direction, the pressure is fluctuating pressure, the minimum is 0MPa, the maximum is 139.7 mpa, and the fluctuating frequency is ≤5.5 Hz. Four. The temperature range of the sealed media is -35 ° C-100 ° C. 5. Under the action of spring and liquid pressure, the rubber made reciprocating motion in the vertical direction, which produced impact on Versailles. The frequency of reciprocating motion was ≤5.5 Hz and the stroke was ≤12.7 mm
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