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170Mm polyurethane vulcanized one piston assembly

170Mm polyurethane vulcanized one piston assembly

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2019/02/22 14:19
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Vulcanized polyurethane piston
The piston is the piston rubber directly vulcanized on the piston core, without pressure plate and spring, suitable for a variety of mud, especially for high-pressure jet drilling and ceramic cylinder sleeve, long service life, can be produced in accordance with API standards with other Pistons used interchangeably
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