In order to overcome the drive equipment belt drive slip, safety hazard of mechanical ratchet brake, direct drive PCP of motor has the safety hidden danger of rod reversal, a new type of PCP ground drive device, hydraulic brake PCP, was developed. Hydraulic braking, intermittent release of torque, safe and reliable. Efficient planar transmission reducer of reduction ratio is greate, matching motor is small, high output torque, stable performance, wide range of speed ratio, wide applicable scope, can adapt to the needs of different PCP performance. The motor is connected directly, the belt is cancelled, the safety hidden danger is eliminated The protection measures of mechanical seal under high pressure are increased, so as to extend the service life of the mechanical seal.
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General polymer liquid material plugs the flooding channel of injector by adjusting the viscosity of material and construction parameters Profile control agent can not only enter the large flooding channel but also the oil layer of non-flooding channel This article introduce the new Blocking agent has liquid fluidity and high thixotropy of solid skeletal structure to ensure fully filling the top part (horizontally) of water (steam, gas) channeling paths or big channels.
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