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Piston pumps

VPPM variable displacement axial-piston pumps with variable swash plate, suitable for applications with open circuits.

They are available in three different frame sizes with maximum displacements up to 29, 46, 73, and 87cm3/rev.

The pump flow rate is proportional to the rotation speed and to the angle of the swashplate, which can be continuously modulated. The maximum and minimum angle can be limited mechanically via suitable regulating screws.

The pumps feature medium-high working pressures (up to 280 bar constant and 350 bar peak). Thanks to some particular design features, these pumps can bear high axial and radial loads on the shaft.

They are usually supplied with an ISO 3019/2 mounting flange, (except for the rear and intermediate pumps, if multiple pumps) which are only available with an SAE J744 2-holes flange and an SAE J744 splined shaft.

They are available with seven different types of regulating control, each according to the application needs.

 
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VPPL variable displacement axial-piston pumps with variable swashplate, suitable for applications with open circuits and intermediate pressures.

They are available in seven nominal sizes, with displacements of 8, 16, 22, 36, 46, 70, and 100 cm3/rev.

The pump flow rate is proportional to the rotation speed and to the angle of the swashplate, which can be continuously modulated. The maximum and minimum angle can be limited mechanically via suitable regulating screws.

They are usually supplied with an SAE J744 2-hole flange and an SAE J744 cylindrical with the key shaft.

They are available with four different types of regulating control, each according to the application needs.

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HPR variable displacement axial-piston pumps with swashplate design, suitable for applications with open circuits.

Seven frame sizes are available, from 55 up to 280 cm3/rev.

The pump's flow rate is proportional to the shaft speed and to the swashplate's angle, which can be continuously modulated. The maximum angle can be limited mechanically utilizing an adjustment screw.

Due to the special design, these pumps can operate at high working pressures (up to 420 bar continuously and peak at 500 bar). All the pumps are equipped with a noise reduction device.

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