HG Series Internal Gear Pump

The HG internal gear pump is divided into three series: A, B, and C, with displacement ranging from 8ml/r to 160 ml/r, meeting the needs of different products.

HG Series Internal Gear Pump



From selecting and configuring the right
machine for your job to helping you finance the purchase that generates noticeable profits.



Taizhou Lidun Hydraulic Co., Ltd. is located in Chengxi Industrial Zone, Wenling City, Taizhou City, Zhejiang Province, within 20 kilometers from Taizhou Airport, Yongtaiwen Expressway, coastal expressway entrance and high-speed rail station.

  • Excellent Performance V10 Series Vane Pumps
  • power steering pump
  • Series Cartridge
  • The High-Pressure And High-Performance Intra-Vane Pumps For Mobile Equipment
  • Internal Gear Pumps



  • Discuss the causes of friction and wear of vane pumps

    Adhesive wear: Adhesive wear Wear that does not completely establish a fully lubricated state between friction pairs is called adhesive wear. This kind of wear is very large. The mechanism is that the two metal surfaces are uneven and the contact surface is extremely small, so the contact specif...

  • How the car power steering pump works

    Although most cars currently use electric power steering systems, there are still some cars that use hydraulic power steering systems. The purpose of using a power steering system is to reduce the driver’s steering effort. By improving the corresponding steering characteristics, the st...

  • Variable vane pump The process of annual maintenance of mechanical equipment in hydraulic systems

    2. The hydraulic oil should be replaced three months after the first use of the hydraulic system, and then every six months to ensure the normal operation of the system. 3. During the operation of the hydraulic system, the oil filter should be checked for blockage at any time and the filter eleme...

  • Variable vane pump The process of annual maintenance of mechanical equipment in hydraulic systems

    1. It is more economical to perform regular maintenance and service checks on hydraulic systems than to repair them after a fault occurs. It is recommended that after a certain working period, regular preventive maintenance be performed on the system and important sealing materials should be repl...

  • Reasons and preventive measures for excessively high hydraulic oil temperature of variable vane pump 2.

    (3) The oil level in the hydraulic tank is too low If there is too little oil in the hydraulic tank, the hydraulic system will not have enough flow to take away the heat generated, causing the oil temperature to rise. Precaution: During actual operation and maintenance, strictly abi...