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AT plunger pump—a robust, precision-engineered solution designed for demanding applications in oil & gas, petrochemical, and high-pressure process industries.
The AT plunger pump’s architecture is elegantly divided into three integrated subsystems—each engineered for reliability, efficiency, and operational longevity. The power end converts motor-driven rotary motion into precise plunger reciprocation via a 120°-offset crankshaft, I-beam connecting rods, guided crossheads, and a floating sleeve that isolates lubrication zones while extending seal life. Its rigid machine base ensures perfect alignment between the sliding mechanism and pump head—critical for vibration control and long-term stability.
The hydraulic end, forged from premium stainless steel, delivers exceptional fluid handling performance. Its vertical valve arrangement—featuring low-damping conical inlet/outlet valves—ensures reliable operation with high-viscosity or abrasive media. Carbon-fiber rectangular soft packing provides superior sealing under extreme pressure, while the precision-machined piston maintains volumetric consistency across cycles.
Complementing these core elements, the auxiliary systems enhance safety and smoothness: a check valve prevents backflow; a voltage regulator (pressure dampener) minimizes pulsation; a continuous lubrication system reduces wear; and an integrated safety valve safeguards against overpressure events. While the pump’s compact, high-pressure design demands attentive maintenance, its modular construction and standardized interfaces simplify service—turning operational discipline into predictable uptime.










AT plunger pump—a robust, precision-engineered solution designed for demanding applications in oil & gas, petrochemical, and high-pressure process industries.
The AT plunger pump’s architecture is elegantly divided into three integrated subsystems—each engineered for reliability, efficiency, and operational longevity. The power end converts motor-driven rotary motion into precise plunger reciprocation via a 120°-offset crankshaft, I-beam connecting rods, guided crossheads, and a floating sleeve that isolates lubrication zones while extending seal life. Its rigid machine base ensures perfect alignment between the sliding mechanism and pump head—critical for vibration control and long-term stability.
The hydraulic end, forged from premium stainless steel, delivers exceptional fluid handling performance. Its vertical valve arrangement—featuring low-damping conical inlet/outlet valves—ensures reliable operation with high-viscosity or abrasive media. Carbon-fiber rectangular soft packing provides superior sealing under extreme pressure, while the precision-machined piston maintains volumetric consistency across cycles.
Complementing these core elements, the auxiliary systems enhance safety and smoothness: a check valve prevents backflow; a voltage regulator (pressure dampener) minimizes pulsation; a continuous lubrication system reduces wear; and an integrated safety valve safeguards against overpressure events. While the pump’s compact, high-pressure design demands attentive maintenance, its modular construction and standardized interfaces simplify service—turning operational discipline into predictable uptime.














