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  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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  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 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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Oil Pipe Diameter


A guide to the appropriate sizing of Hydraulic pipes can be carried out here. It should be noted that the purpose of the pipe must be known, is it Suction Pipe, Return Pipe or Pressure Pipe?  A guide to “normal” fluid speeds within these types of pipes are shown below. Calculated values for Fluid Speed v (m/s) should fall within these ranges.

To calculate Fluid Speed v(m/sec), you must enter the following figures:-

1) Diameter d(mm), this is internal pipe diameter.
2)Pump Flow Q(lpm)

Then press v to calculate, this will be shown in the result box.

Internal Oil Pipe Diameter (d)

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Diameter (d) mm
Fluid Speed (v) m/sec
Pump Flow (Q) l/min
Result

Calculate Q Calculate d
Calculate v    
Pipe/connection Type Speed Possible Speed values
Suction Pipe v from 0,5 to 1 m/sec
Return Pipe v from 1,25 a 3 m/sec
Pressure Pipe v 3,25 m/sec for Pressure up to 100 Bar
Pressure Pipe v From 3,5 to 5 m/sec for Pressure up to 150 Bar
Pressure Pipe v From 5,25 to 7 m/sec for Pressure up to 200 Bar
Pressure Pipe v From 7,25 to 9 m/sec for Pressure up to 350 Bar