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vertical micro power pack   Micro Pack
delivering up to 5LPM from an 87mm body
HPR Reversible Power packs and HPU Uni-directional hydraulic Power pack for single and double acting actuators

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vertical mini power pack   Mini Pack
AC and DC system to 30LPM
DC Power packs for Tipper trucks, Tail lifts, Recovery Lifts and Trailer ramps etc....
AC Power pack hydraulics for Scissor lifts, Car lifts, Dock Levelers and Security barriers etc....

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standard hydraulic power pack   Standard Units
Hydraulic Power units up to 55kW
Applications include:- Injection moulding machines, Auger Drives, Concrete moulding, Test Rigs and Drilling Rigs

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Known Cylinder

If the dimensions of a hydraulic cylinder are known, then numerous volumetric calculations can be carried out such as Full bore area and volumes. If the hydraulic system pressure is also known then the Thrust Force and Pull Force can also be determined. If the required cylinder speed is known then the Power required and Flow rates can also be calculated here.

Useful conversions factors:

1kW = 1.34hp

1bar = 14.5psi

1cm3 = 0.061 cu.inch

1cm2 = 0.155 in2

1Litre = 0.22 UK Gallons = 0.26 US Gallon

1kg = 2.2 lbs

Click below for our Calculators:

Pump Flow
Output Power
Input Torque
Output Torque
Motor Speed
Oil Pipe Diameter
Known Cylinder
Unknown Cylinder

Product of the week 

Hydraulic Mini pack. 3phase AC motor driven, for operating a goods lifts for a chain of supermarkets. Mounted horizontally so it will fit under the lift when fully closed down at only 400mm.



n° cylinders (n)
Cyl, bore diameter mm
Rod diameter mm
Cylinder Stroke (L) mm
Working Pressure (P) Bar
Output Speed (v) m/min

Full bore Area (cm²) Rod Area (cm²)
Annulus area (cm²) Full Bore Cyl, Volume (l)
Total Full bore volume (l) Annulus Cyl, Volume (l)
Total annulus Cyl, volume (l) Thrust oil flow (l/min)
Total Pull oil flow (l/min) Differential flow (l/min)
Thrust power (kW) Pull power (kW)
Cylinder thrust force (Kg) Total thrust force (Kg)
Cylinder pull force (Kg) Total pull force (Kg)