Technical guides
Written by Simone Gazzera, who sizes power packs every day: answers first, details after.
How to choose a hydraulic power pack
How to choose a hydraulic power pack from 6 inputs: force, speed, duty cycle, voltage, reservoir and control logic, with pressure limits by pump displacement.
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12V vs 24V power packs: which to choose
12V or 24V hydraulic power pack? Currents, cable sizing, voltage drop and typical applications compared, with a practical rule for choosing.
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AC vs DC motors for power packs: differences and criteria
AC or DC motor for your hydraulic power pack? Continuous S1 or intermittent S3 duty, mains or battery: the criteria and the classic mistake to avoid.
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Reservoir sizing: a practical guide
How to size a hydraulic power pack reservoir in 3 steps: usable oil volume, cylinder differential and thermal check, with the mistakes to avoid.
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Compact power pack or full power unit?
Compact hydraulic power pack or custom power unit? Power, flow, architecture and cost compared, with the threshold where one gives way to the other.
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How does a hydraulic gear pump work?
How a hydraulic gear pump works: displacement and flow, why the pump makes flow not pressure, priming on first start and signs of wear, explained simply.
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How much does a hydraulic power pack cost? The factors behind the price
What a hydraulic power pack costs: indicative price ranges and the 6 factors that drive the price, from motor and pump to valves, quantity and customisation.
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How to wire a 12V hydraulic power pack: diagram and practical rules
How to wire a 12V hydraulic power pack: battery, contactor, controls and solenoid valves, the basic diagram and the mistakes that burn out motors and contacts.
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Hydraulic oil types: which oil for your power pack
Which hydraulic oil for your power pack: HLP or HV fluids, ISO VG 32 or 46 by climate and cycle, when to change it and why engine oil won’t do.
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