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Q: Can the PV7 series pump be used in mobile hydraulic equipment (such as construction machinery)?
A: It is mainly used in fixed industrial equipment; for mobile equipment with severe vibration and impact, it is recommended to select Rexroth's axial piston pump series (such as A10VSO) with better shock resistance.
Q: What is the function of the drain port of the PV7 series pump?
A: The drain port is used to discharge the leaked oil inside the pump back to the oil tank, and the pressure at the drain port should be kept below 0.3 bar to avoid affecting the normal operation of the shaft seal.
Q: How to troubleshoot the problem of unstable flow output of the PV7-2X variable-displacement pump?
A: Check whether the compensation valve core is stuck by contaminants, whether the spring of the control mechanism is fatigued, whether the oil pressure is stable, and clean or replace the faulty components in time.
Q: What mounting flanges are available for the PV7 series pumps?
A: Common mounting flanges include ISO 3019/2, SAE A, and SAE B flanges, and customized mounting flanges can be provided according to customer requirements.
Q: Can the PV7 series pump be used in high-frequency start-stop systems?
A: Yes, but it is necessary to ensure that the pump is filled with oil before each start to avoid dry running, and select a motor with good starting performance to reduce the impact of start-stop on the pump.
Q: What is the impact of oil viscosity on the performance of the PV7 series pump?
A: Excessively high viscosity will increase the suction resistance and power consumption of the pump; excessively low viscosity will increase internal leakage and reduce volumetric efficiency. It is recommended to use hydraulic oil with a viscosity of 20-30 mm²/s under normal operating temperature.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Total Annual:
1 million-10 millon
Employee Number:
>50
Ecer Certification：
Verified Supplier
Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd. has been established for many years and has now developed into an international trading company supplying various hydraulic machinery parts, oil pumps and valves. We are one of the few Chinese companies with multiple products and cha... Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd. has been established for many years and has now developed into an international trading company supplying various hydraulic machinery parts, oil pumps and valves. We are one of the few Chinese companies with multiple products and cha...
