Piston pumps are positive displacement pumps that use reciprocating pistons to pressurize hydraulic oil. Due to their ability to provide high pressure and high efficiency, they are widely used in various hydraulic systems. The oil pressure characteristic of the plunger pump refers to how the output pressure of the pump changes with different working conditions. The following are the key oil pressure characteristics of a plunger pump: 1. Pressure-flow relationship: The pressure-flow relationship of a plunger pump shows how the output pressure varies with flow. Assuming all other factors remain constant, as the flow increases, the pump pressure will generally decrease. This relationship is usually represented by a graph called a pressure-flow curve. 2. Pressure Compensation: Many modern plunger pumps have pressure compensation. Pressure compensation helps regulate the output pressure of the pump to maintain a consistent pressure level as the system load changes. When a pump detects a drop in pressure due to increased demand, it adjusts its displacement or pressure control mechanism to maintain the desired pressure. 3. Load sensitivity: The oil pressure characteristics of the plunger pump may exhibit load sensitivity. This means that the output pressure of the pump may vary depending on the load or resistance encountered in the hydraulic system. Higher loads generally result in higher pressures and vice versa. 4. Speed sensitivity: The speed of the plunger pump will also affect its output pressure characteristics. At higher pump speeds, pressure may increase due to increased fluid flow, while lower speeds may result in lower pressures. 5. Pressure Rating: Every piston pump has a maximum pressure rating, which is the highest pressure it can safely produce. Exceeding this pressure limit may result in pump damage or failure. FR-L-074B-BS-31-26-NN-N-3-S1N2-A1N-NNN-NNN-NNN FRL074BBS3126NNN3S1N2A1NNNNNNNNNN FR-L-074B-BS-31-26-NN-N-3-S1N4-A1N-NNN-NNN-NNN FRL074BBS3126NNN3S1N4A1NNNNNNNNNN FR-L-074B-BS-31-28-NN-N-3-S2A2-A1N-NNN-NNN-NNN FRL074BBS3128NNN3S2A2A1NNNNNNNNNN FR-L-074B-BS-31-28-NN-N-3-S2B2-A1N-NNN-NNN-NNN FRL074BBS3128NNN3S2B2A1NNNNNNNNNN FR-L-074B-BS-31-30-NN-E-3-T0N4-A1N-NNN-NNN-NNN FRL074BBS3130NNE3T0N4A1NNNNNNNNNNNN FR-L-074B-BS-31-30-NN-N-3-S1C2-A1N-NNN-NNN-NNN FRL074BBS3130NNN3S1C2A1NNNNNNNNNN FR-L-074B-BS-31-30-NN-N-3-S1V2-A1N-NNN-NNN-NNN FRL074BBS3130NNN3S1V2A1NNNNNNNNNN FR-L-074B-BS-31-30-NN-N-3-S2N2-A1N-NNN-NNN-NNN FRL074BBS3130NNN3S2N2A1NNNNNNNNNN FR-L-074B-DK-31-20-NN-E-3-S1B2-A1N-NNN-NNN-NNN FRL074BDK3120NNE3S1B2A1NNNNNNNNNN FR-L-074B-LB-10-10-NN-N-3-S1B2-A1N-AAA-NNN-NNN FRL074BLB1010NNN3S1B2A1NAAANNNNNN FR-L-074B-LB-16-20-NN-N-3-K4C2-A1N-AAA-NNN-NNN FRL074BLB1620NNN3K4C2A1NAAAANNNNNN FR-L-074B-LB-16-20-NN-N-3-K4C2-A1N-NNN-NNN-NNN FRL074BLB1620NNN3K4C2A1NNNNNNNNNN FR-L-074B-LB-20-20-NN-E-3-S2V2-A1N-AAA-NNN-NNN FRL074BLB2020NNE3S2V2A1NAAANNNNNN FR-L-074B-LB-26-20-NN-N-3-S1N4-A1N-NNN-NNN-NNN FRL074BLB2620NNN3S1N4A1NNNNNNNNNN FR-L-074B-LB-28-14-NN-N-3-S1B2-A1N-AAA-NNN-NNN FRL074BLB2814NNN3S1B2A1NAAANNNNNN FR-L-074B-LB-28-14-NN-N-3-S1N2-A1N-NNN-NNN-NNN FRL074BLB2814NNN3S1N2A1NNNNNNNNNN FR-L-074B-LB-28-14-NN-N-3-S1R2-A1N-NNN-NNN-NNN FRL074BLB2814NNN3S1R2A1NNNNNNNNNN FR-L-074B-LB-28-30-NN-N-3-S1B2-A1N-AAA-NNN-NNN FRL074BLB2830NNN3S1B2A1NAAANNNNNN FR-L-074B-LB-28-30-NN-N-3-S1C2-A1N-AAA-NNN-NNN FRL074BLB2830NNN3S1C2A1NAAANNNNNN FR-L-074B-LS-10-10-NN-N-3-S1N4-A1N-NNN-NNN-NNN FRL074BLS1010NNN3S1N4A1NNNNNNNNNN 6. Pressure pulsation: The plunger pump will produce pressure pulsation, which refers to the small pressure fluctuations in the hydraulic system. This pulsation can be caused by a variety of factors including piston count, pump design and operating conditions. Pressure pulsations can be minimized through proper design and techniques such as the use of pressure compensators. 7. Efficiency at different pressures: The efficiency of a piston pump may vary at different pressure levels. In general, plunger pumps have high efficiency at moderate pressures and may be less efficient at very high pressures. 8. Pressure limiting and safety features: Some plunger pumps are equipped with pressure limiting and safety features to protect the pump and hydraulic system from overpressure. Pressure relief valves or pressure limiting controllers are common safety mechanisms that relieve excess pressure to prevent damage. 9. Pressure response time: The pressure response time of a plunger pump refers to the speed at which the pump adjusts its output pressure in response to changes in system demand. Faster response times are required in applications requiring rapid pressure regulation. 10. Pressure hysteresis: In some plunger pumps, especially those with mechanical control mechanisms, pressure hysteresis may occur. Hysteresis is the difference in pressure settings between the pump's increasing pressure curve and decreasing pressure curve. This difference may cause slight errors in pressure control. 11. Volumetric efficiency: The volumetric efficiency of a plunger pump is a measure of how efficiently the pump transfers hydraulic oil from the inlet to the outlet. A high volumetric efficiency is desirable because it indicates minimal fluid loss and improves overall pump performance. 12. Controllability: In applications requiring precise pressure control, plunger pumps are usually the first choice. They have good controllability and are often used in systems requiring precise pressure regulation. FR-L-074B-LS-12-20-NN-N-3-S1R2-A1N-AAA-NNN-NNN FRL074BLS1220NNN3S1R2A1NAAANNNNNN FR-L-074B-LS-12-25-NN-N-3-S1A2-A1N-NNN-NNN-NNN FRL074BLS1225NNN3S1A2A1NNNNNNNNNN FR-L-074B-LS-13-25-NN-N-3-S1B2-A1N-NNN-NNN-NNN FRL074BLS1325NNN3S1B2A1NNNNNNNNNN FR-L-074B-LS-13-25-NN-N-3-S1C2-A1N-NNN-NNN-NNN FRL074BLS1325NNN3S1C2A1NNNNNNNNNN FR-L-074B-LS-13-25-NN-N-3-S1N2-A1N-NNN-NNN-NNN FRL074BLS1325NNN3S1N2A1NNNNNNNNNN FR-L-074B-LS-15-20-NN-N-3-S1B2-A1N-NNN-NNN-NNN FRL074BLS1520NNN3S1B2A1NNNNNNNNNN FR-L-074B-LS-16-27-NN-N-3-K4N2-A1N-NNN-NNN-NNN FRL074BLS1627NNN3K4N2A1NNNNNNNNNN FR-L-074B-LS-18-20-NN-N-3-S1R2-A1N-AAA-NNN-NNN FRL074BLS1820NNN3S1R2A1NAAANNNNNN FR-L-074B-LS-18-20-NN-N-3-S2C2-A1N-AAA-NNN-NNN FRL074BLS1820NNN3S2C2A1NAAANNNNNN FR-L-074B-LS-20-11-NN-N-3-S1A2-A1N-AAA-NNN-NNN FRL074BLS2011NNN3S1A2A1NAAANNNNNN FR-L-074B-LS-20-20-NN-N-3-S1B2-A1N-AAA-NNN-NNN FRL074BLS2020NNN3S1B2A1NAAANNNNNN FR-L-074B-LS-20-20-NN-N-3-S1B2-A1N-NNN-NNN-NNN FRL074BLS2020NNN3S1B2A1NNNNNNNNNN FR-L-074B-LS-20-20-NN-N-3-S1C2-A1N-AAA-NNN-NNN FRL074BLS2020NNN3S1C2A1NAAANNNNNN FR-L-074B-LS-20-20-NN-N-3-S1N2-A1N-NNN-NNN-NNN FRL074BLS2020NNN3S1N2A1NNNNNNNNNN FR-L-074B-LS-20-20-NN-N-3-S1N4-A1N-AAA-NNN-NNN FRL074BLS2020NNN3S1N4A1NAAANNNNNN FR-L-074B-LS-20-20-NN-N-3-S1N4-A1N-NNN-NNN-NNN FRL074BLS2020NNN3S1N4A1NNNNNNNNNN FR-L-074B-LS-20-20-NN-N-3-S1T2-A1N-NNN-NNN-NNN FRL074BLS2020NNN3S1T2A1NNNNNNNNNN FR-L-074B-LS-20-20-NN-N-3-S1V2-A1N-NNN-NNN-NNN FRL074BLS2020NNN3S1V2A1NNNNNNNNNN FR-L-074B-LS-20-31-NN-N-3-K4N2-A1N-NNN-NNN-NNN FRL074BLS2031NNN3K4N2A1NNNNNNNNNN FR-L-074B-LS-21-14-NN-N-3-K4A2-A1N-AAA-NNN-NNN FRL074BLS2114NNN3K4A2A1NAAANNNNNN 13. Noise and vibration: The oil pressure characteristics of the plunger pump will affect its noise and vibration level. Certain pump designs and operating conditions may generate higher levels of noise and vibration, which can be controlled through proper pump selection and system design. 14. Temperature Precautions: The high pressure operation of the plunger pump will result in increased heat generation. The temperature rise of the pump under various operating conditions must be considered to ensure that it operates within a safe temperature range. 15. Hydraulic oil compatibility: The type and characteristics of the hydraulic oil used will affect the pressure performance of the pump. Certain fluids may have different viscosity and pressure response characteristics, affecting the overall efficiency and pressure capability of the pump. 16. Sensitivity to pollutants: The plunger pump is very sensitive to pollutants in the hydraulic oil. Proper filtration and maintenance are essential to prevent pump damage and ensure consistent pressure performance. 17. Wear and tear: Like any mechanical device, piston pumps are subject to wear and tear over time. Regular maintenance and monitoring are necessary to detect and address any degradation in pump pressure characteristics. Understanding the oil pressure characteristics of a piston pump is critical to selecting the proper pump for a specific application, optimizing system performance, and ensuring reliable and efficient operation. Consult the manufacturer's specifications and performance data to make informed decisions about pump selection and system design based on desired pressure requirements and operating conditions.