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Standard-type Power End Crankshaft

  • Item No.:35
  • Category:Core components of the plunger pump
  • As the core driving hub of the plunger pump power end, the crankshaft efficiently converts the rotational energy of the prime mover into the reciprocating power of the plungers. The stability of the crankshaft directly affects the output efficiency and long-term reliability of the pump unit. Our crankshafts are forged from high-strength alloy steel with continuous and intact internal fiber flow. Through gradient heat treatment, they achieve an ideal balance of toughness and hardness. The precision-ground crank pins and main journals are further strengthened with deep rolling processes to enhance fatigue life. Capable of smooth, low-noise operation under high-speed conditions, these crankshafts are ideal for demanding applications such as oilfield fracturing and ultra-high-pressure cleaning.

Our crankshafts are forged from high-strength alloy steel with continuous and intact internal fiber flow. Through gradient heat treatment, they achieve an ideal balance of toughness and hardness. The precision-ground crank pins and main journals are further strengthened with deep rolling processes to enhance fatigue life.


Capable of smooth, low-noise operation under high-speed conditions, these crankshafts are ideal for demanding applications such as oilfield fracturing and ultra-high-pressure cleaning.