Fluid Power

Planning calculators for fluid power — estimates from industry-style inputs.

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Size a complete hydraulic power unit including pump, electric motor, and reservoir from circuit pressure and flow demands.

Select the correct hydraulic hose dash size from flow rate, pressure, and velocity limits. Calculates pressure drop and fitting losses.

Size a hydraulic bladder or piston accumulator using gas law calculations for isothermal or adiabatic processes.

Calculate push and pull force, air consumption, and buckling safety for pneumatic cylinders from bore, rod, stroke, and pressure.

Size an air compressor by calculating required CFM, HP, and tank capacity from tool demands, duty cycle, and diversity factor.

Calculate hydraulic motor displacement, flow, torque, and power from speed and load requirements.

Calculate required valve Cv/Kv flow coefficient for pneumatic systems with sub-critical and critical (choked) flow analysis.

Calculate filter Beta ratio efficiency, ISO cleanliness targets, and filter element life for hydraulic systems.

Calculate heat generation and size a heat exchanger for a hydraulic system based on pressure, flow, and efficiency.

Size pneumatic tubing by calculating velocity, pressure drop, burst pressure (Barlow's formula), and recommended OD for air systems.