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Help CenterHawe Hydraulic Variable Piston Pump V30D-250
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Specifications
Hawe V30D-250 hydraulic pump1.ISO9001,CE
2.high quality metal
3.widely used in construction machinery
Outstanding design features:
• Low specific weight
• Very fast response times due to low mass moment of inertia of the setting unit
• Special swash plate bearing helps reduce noise
• New design of the hydrostatically balanced steel slipper shoes running on a bronze plate improves the life of typical wearing parts
• Valve plate made from steel provides high wear resistance. Carefully designed dampening slots result in exceptionally low
noise level
• Large shaft bearings provide long life
The most important advantages :
• Low noise level, whereby secondary measures to reduce noise often are not necessary
• Controller assemblies have been designed on a modular basis and can be installed without dismantling the basic pump
• Thru- shaft allows tandem pump combinations and mounting of auxiliary pumps of all kinds (see sect. 5)
• Swash plate dial indicator provides visual indication of displacement and can also be used to provide feedback information in
control systems
The axial piston variable displacement pumps of the type V30 of D offer extremely high function safety. Its remarkably low noise lev-
els, the high pressure rating (peak = 420 bar / perm. = 350 bar), the low weight/performance ratio as well as the wide controller range
make it possible to employ it for most industrial and mobile applications. The variable displacement pumps work according to the
swash plate principal: 9 pistons operate in a rotating cylinder cavities where they fulfill one suction and one pressure stroke per ro-
tation.
Opening and closing of the cylinder cavities is via openings in the control disc. The axial movement of the pistons is provided by an
adjustable swash plate. The setting angle (0 - max) can be steplessly varied in proportion to the desired displacement/flow. The set-
ting range can be mechanically limited by setting screws (with V and VH controller only fixed limitation is possible). The position of
the swash plate can be controlled via a visual mechanical indicator .
The latest knowledge and experience with regard to noise reduction has been used in the development of this pump design. V30D
is therefore rather quiet, even when taken to the limit. All components used in the V30D are manufactured from high grade materi-
als and machined with close tolerances.
The wide range of modular controllers along with a thru-shaft (option for mounting auxiliary pumps or a second V30D) open up a
wide range of application possibilities.
Therefore type V30D features a pump design, which ideally suits the special requirements of modern industrial and mobile hydraulic
drive systems
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