Hydraulic Calculators

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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

standard hydraulic power pack

Standard Unit

Hydraulic Power units up to 55kW

Applications include:- Injection moulding machines, Auger Drives, Concrete moulding, Test Rigs and Drilling Rigs

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

Hydraulic calculator

These calculator pages enable you to calculate or check various hydraulic and mechanical parameters.

The first two being Pump Flow and Output Power, these relate specifically to Hydraulic power pack and hydraulic pump sizing information.

Input Torque, Output Torque and Motor Speed relate to the sizing and operation of Hydraulic motors. These are often driven by the output from Hydraulic power packs or hydraulic systems.

Oil Pipe Diameter sizing is a critical area of study when designing a hydraulic system and selecting hydraulic components for a hydraulic power pack. Broad term guidelines are given on this page for fluid speeds.

Known and Unknown Hydraulic cylinders are another crucial area of hydraulic equipment design. These are probably the most common hydraulic prime mover that our hydraulic power packs operate. Incorporating them into a machine requires mechanical engineering knowledge as well as experience in Hydraulic circuit design. Hydraproducts can offer both of these services when providing hydraulic valves and systems to our customers.


These calculators are intended to provide estimations based on stated assumptions and your inputs. Calculations are meant as estimates only and are not intended to be kept or used for any practical purpose. They are based on information from sources believed to be reliable and accurate and are not intended to be used as a substitute for professional hydraulic engineering design services. Hydraproducts expressly disclaims all liability and responsibility to any person who relies, or partially relies, upon anything output or omitted to be output by these calculators.

Product highlight

Reversible Micro power pack

Only 87mm wide these compact units have a reversible motor to drive a cylinder or motor without the need for extra control valves.

>> View info here
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