Qt22-6.3l-a Sumitomo Hydraulic Pump Standard Excavator

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In addition to the simple mechanical structure of high transport and wear resistance, the use of advanced hydraulic oil can reduce the wear of the mechanical surface and the functional parts. The QT pump can run at high speed with the pressure of 250bar, and it is not easy to wear the machine parts even if the general hydraulic oil is used.

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Description:

1 power refers to the power required under the maximum working pressure. 

2 when the working speed of N and 1500r/min, the driving power according to the approximate formula "table value x n/1500" to calculate the approximate value. 

3 can be paired with double couplet pump. Technical consulting 0755-29621600 features: 1 low noise, maximum noise less than 65dB (A). 2 long life. 3 good pollution resistance. 

4 pressure pulsation is small. 

5 self absorbability is strong. 

6 widely used in all kinds of hydraulic systems.

Features:

Because the gear pump is limited by the fixed displacement, it is generally considered that the gear pump can only be used as a constant flow hydraulic source.

The direct installation of the control valve on the pump saves the pipeline between the pump and the direction valve, thus controlling the cost. Fewer pipes and connectors can reduce leakage and improve work reliability. And the pump itself can reduce the loop pressure and improve the performance of the pump. Here are some circuits that can improve the basic function of the gear pump, some of which are practical basic circuits, and some are innovative research.