PFE high performance vane pump series, a total of single pump (PFE – 31/41/51/32/51/32) and double pump (PFED – 43/54) eight series, 75 specifications. The displacement range of 16.5 ~ 150 ml/r, pressure rated for 21 ~ 30 mpa, speed range is 600 ~ 2800 r/min (hydraulic co., LTD. On this basis, the quality and to develop two pounds – 21/61 series of single pump, extends the scope of delivery is 5 ~ 250 ml/r).
The pump design process is unique, the eccentric shaft pins blade structure, with high pressure, large flow, small volume, smooth running, low noise, high efficiency, long life and other advantages, the main technical indicators reached international advanced level.
This series of pump is instrumentation type structure. The optimum design for the machine core, further reducing the pressure and flow pulsation and noise. Back plate structure is the same as before, with a symmetrical groove, and hydraulic balance, are adopted to ensure the consistent deformation and compensation, which can obtain better volumetric efficiency. The reasonable design of blade root and dowel pin oil supply system, to ensure good contact between the blade and the stator, and makes the flow losses to a minimum. The unique design, reasonable selection of high precision machining and materials makes the pump has a very good life.
PFE series with complete specifications, excellent performance, reliable, simple and reasonable structure, easy installation and maintenance (installation meet ISO/SAE standards), can be widely used in machine tools, pressure die casting machinery, engineering machinery, metallurgy, mining, light industry, chemical machinery, agricultural machinery and all kinds of hydraulic system, etc.
Model specification
1. The structure of the code: PEFD double pump series
2. Serial number: 43, 54
3. The main parameters: the large lateral displacement geometric displacement (ml/r)
4. The main parameters: a small lateral displacement geometric displacement (ml/r)
5. The shaft extension style: 1 – cylindrical shaft (standard) 2 – cylindrical shaft the reach (ISO/DIS3019)
3 – cylindrical shaft extension (high torque type) 5-6 – spline shaft the reach of spline shaft (reinforced)
6. Rotate to look from the shaft end: D: S: clockwise counterclockwise
7. Oil mouth location: see oil mouth sketch map [two import and export of the TO (standard), VG 32 groups such as the position relationship]
8. Applicable fluid mark: no mark: petroleum base water glycol/PF: phosphate
Note: 1. 24 CST anti-wear hydraulic oil viscosity, the oil temperature of 50 ° C
2. Weight: 24.5 kg, in the size of the oil imports: 5/2 “, before the pump exports: 1 “, after the pump discharge: 3/4”
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