4
EN
4. Technical data
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951-171-016
Version 03
4. Technical data
4.1 General technical data
Range of operating temperatures -25 °C to +70 °C
The indicated operating temperature range of the pump presupposes the suitability of the lubricant used for the respective actually
existing operating temperature. Using a lubricant not suitable for the actual operating temperature may, in case of low temperatures,
result in a defect or failure of the pump due to a too high lubricant viscosity.
Operating pressure
350 bar max. with gear ratio i=1:100 and i=1:490
400 bar max. with gear ratio i=1:049
Pump versions E must be protected by the operator against inadmissibly high pressure by suitable pressure control valves. Pump ver-
sions F and V are supplied with suitable pressure control valves ex works.
Outlet fitting
Version E (G1/4“)
Version E or F (G3/8“) for tube 10 mm
Installation position vertical, i.e. reservoir at top. Deviation ± 5°
Sound pressure level < 70 dB (A)
Type of protection IP 55
Weight of the empty pump approx. 19 kg
Number of pump elements ZPU 01 = 1 ZPU 02 = 2
Filling of the pump via reservoir lid
Approved lubricants
mineral oils (basic oils) respectively environmentally compatible oils as of ISO VG 46 up to greases of
NLGI class 2
Operating viscosity (oils) ≥50mm
2
/s
Output volumes Gear ratio
In case of 60 Hertz motors the output volume in-
creases by 20 %
M490 M100 M049
ZPU 01 160 cm
3
/h 800 cm
3
/h 1600 cm
3
/h
ZPU 02 320 cm
3
/h 1600 cm
3
/h 3200 cm
3
/h
Admissible speeds when supplying the pump without motor and gear Minimum speed Maximum speed
The speeds have to be adhered to by selecting suit-
able motors and gears
Lubrication grease 2.5 rpm
-1
30 rpm
-1
Lubrication oil 2.5 rpm
-1
35 rpm
-1
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