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VP Variable Vane Pump（Low pressure type） |
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| Product name : VP Variable Vane Pump（Low pressure type） |
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Instruction：
1、 Rotation Direction clockwise (viewed from shaft end) is standard product, only one direction. Checking the rotary direction could be in accordance with
instantaneous pneumatics.
2、Hydraulic oil Hydraulic oil which is below 70 bar, viscosity 20-50cst（ISO VG32）under 40℃ is recommended.
3、Tubing drain pressure Tubing drain must be inserted under oil of tank. And back-pressure caused from piping should be kept under 0.3bar.
4、Working oil temperature The temperature for running continuously is 15-60℃.
Shaft fit The Offcenter Error between pump shaft and motor is 0.05mm, angle error is 1°。
5、Oil-absorptive pressure the pressure of oil-absorptive port is -0.3bar to 0.3bar
6、Displacement adjusting When adjusting displacement, please relax the adjusting screw cap, then turn adjusting bolt. Turn right to reduce the flow, turn left to add the flow. Please tighten the screw cap when adjusting over.
7、Pressure adjusting Turn left (counterclockwise) pressure adjusting bolt to reduce the outlet pressure, turn right (clockwise) to rise. Please tighten the screw cap when adjusting over.
8、New machine operation When new machine begin to work, it should be under the condition of no pressure to start electric machine motor repeatedly.
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PV2R SERIES VANE PUMPS