External Gear Pumps, Series APDescription
The product range of Bucher Hydraulics includes single pumps 05-100-212-212HP-250HP-300-312HP (corresponding with the common group denominations: 05-1-2-2.5-3) and several combinations of double pumps, triple pumps, and so on, that can be assembled together according to versions of displacement, flanging, and auxiliary valves.
AdvantagesHigh overall efficiency thanks to optimised hydraulic compensationDesign and materials that guarantee excellent technical specifications and long life serviceOptimum quality/price ratioCustomised models can be built for specific applications:Dedicated front covers to improve mechanical and life performances in case of radial/axial loadsDedicated back covers with integrated circuits to control pressure and flow.Technical DataOrdering CodeMaterialDisplacement
cm³/revOperating pressure up to
barPeak pressure
barMin. speed
rpmSpeed max.
rpmAP/APR05Aluminium0.25 - 1.61902305007000AP100Aluminium1.2 - 10.02102805005000AP/APR212Aluminium4.4 - 27.12503005004000AP300Aluminium27.0 - 93.02202805003500AP/APR212HPCast iron15.1 - 34.12503005003500AP250HPCast iron15.2 - 54.03003205003500AP312HPCast iron40 - 753003205003000Models
Single pumps, unidirectionalSingle pumps, reversibleAluminium and cast iron versionsDouble and triple pumps, unidirectional, in several configurations.With integral flow or pressure control valve .With outrigger bearing for axial and radial loads.ApplicationsTractorsAgricultural machinesEarth moving machinesLift trucksConstruction machineryFront loadersSweepersHydraulic hoists
