Technical guides
Gear pump displacement and flow calculator
Estimate gear pump displacement from dimensions W, D and L, then calculate theoretical hydraulic flow at the selected operating speed.
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Hydraulics technical guides
Practical guides to hydraulic components, sizing, installation and maintenance. Find the information you need for your equipment.
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Pump speed increasers
PTO pump speed increasers: installation and oil maintenance
Oil quantities, transmission power, servicing and PTO speed: installation guidance for size 2 and size 3 hydraulic pump speed increasers.
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Hydraulic accumulators
Hydraulic accumulators: operation, types and selection
Understand diaphragm, bladder and piston accumulators, their circuit functions, and the checks needed to choose volume, mounting and gas precharge.
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Hydraulic pumps
Hydraulic pumps: how they work, main types and selection
Understand hydraulic pump flow and pressure, compare gear, vane, piston and hand-operated pumps, and identify the data needed for correct selection.
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Technical guides
Hydraulic power calculation: kW and required drive motor power
Calculate hydraulic power from pressure and flow, allow for pump and transmission losses, and compare kW, metric horsepower and HP with a worked example.
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Hydraulic oil
Hydraulic oil: functions, fluid types and viscosity selection
Choose hydraulic oil for the complete system, considering viscosity and operating conditions, and review the fluid care needed by pumps and components.
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Gear flow dividers
Gear flow dividers: operation, phase correction and selection
Select a gear flow divider by section flow, phase correction, starting pressure and accuracy, with examples of equal and proportional actuator flows.
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Hydraulic pumps
Hydraulic pump installation and start-up: general checklist
Check rotation, priming, oil cleanliness, filtration and case drainage before starting a hydraulic pump. A practical installation and commissioning guide.
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Hydraulic pumps
Vane pump installation and start-up: hydraulic commissioning guide
Install and start a hydraulic vane pump with checks for clean oil, suction supply, priming, case drainage and gradual commissioning.
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Hydraulic pumps
Hydraulic piston pumps: installation and start-up
Install and commission a hydraulic piston pump: prime the housing, check the case drain, keep oil clean, bleed the system and inspect the first start.
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Hydraulic pumps
Does a hydraulic pump produce pressure or flow? Operation and diagnosis
Understand hydraulic pump flow and pressure, the effect of load and circuit losses, and the checks to make before replacing a pump or other component.
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Hydraulic systems and applications
Hydraulic components for a tractor-powered log splitter
Choose the cylinder, pump, PTO gearbox, directional valve, reservoir and filters for a tractor-powered hydraulic log splitter with a balanced circuit.
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