ZYB gear pumps, with their rational design and reliable performance characteristics, have become the core conveyance equipment for delivering high-temperature, high-viscosity, and impurity-laden media such as heavy oil, lubricating oil, and coal tar. They demonstrate adaptability and durability that surpass those of ordinary gear pumps, particularly in lubricating oil delivery, the building materials industry, metallurgy, chemical processing, and fuel combustion systems, ensuring their suitability for long-term, continuous operation. By optimizing the clearance between the gears and the pump housing, this machine effectively reduces the likelihood of internal leakage and maintains a constant outlet pressure, avoiding combustion inefficiencies or process interruptions caused by pressure fluctuations.