HM PLB Series Pumps
Variable Displacement Closed Circuit Axial Piston Pumps, Displacement 7 to 18 cm³ (0,43 to 1,10 in³), Continuous 210 bar (3045 psi), Pressure Intermittent 230 bar (3335 psi), (Power-Transmission Hydrostatic Transmission).
The axial piston pumps series HM PLB is designed to operate in a closed circuit. Displacement range 7cc thru 18cc, R or L hand rotation, single pump, tandem front pump, or tandem rear pump, along with a selection of shaft, port, control, valve settings, versions, accessories and more.
The available control systems make it easy to use these pumps in any application for industrial and mobile fields.
Development of rotating groups, especially designed, united to an accurate study of oil passage sections, allow high-speed rotation, like required by modern diesel engines, giving extreme reliability for working peak pressure up to 230 bar.
It is possible to couple tandem versions, by means of coupling flanges optionally available.
Closed circuit axial piston pumps are used as hydrostatic transmission components in self-propelled machines and for rotary drives in both fixed and mobile equipment of all kinds.
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Specifications
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Performance Characteristics
Designed to operate - closed circuit - Working peak pressure up to 230 bar - Tandem Versions - possible to couple by means of coupling flanges optionally available - - - Displacement 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 16 | 18 (cm³) 0, 43 | 0, 49 | 0, 55 | 0,65 | 0,67 | 0,73 | 0,80 | 0,85 | 0,98 | 1,10 ( in³ ) Continuous Pressure 210 (bar) 3045 (psi) Intermittent Pressure 230 (bar) 3335 (psi) Peak Pressure 250 (bar) 3625 (psi) - - Speed - - 3600 max. (minˉ¹) - 300 min (min ˉ¹) - - - Weight 8,5 (kg) 18,7 (lbs.) - - Continuous Pressure: Average pressure of the normal operating pressure range - Intermittent Pressure: Pressure that can be maintained for short periods (for about 10% of the work cycle) - Peak Pressure: Maximum allowable pressure regulated by maximum relief valves (max 1-2% of the work cycle) - Features and Benefits
Variable displacement axial piston pumps for closed circuit applications are available with a variety of control options: direct manual, servo-assisted manual, remote hydraulic, remote hydraulic with feedback, On-Off electric in closed centre and open centre configurations, proportional electric and hydraulic automotive - Electronic control logic options include automotive, constant speed drive, shift-on-the-fly and feedback - Multiple units can be assembled using axial piston pumps of different sizes, and gear pumps - Possible configurations include circuits with built-in exchange valves and pressure relief valves - Markets
Mobile - Industrial - Forestry - Agriculture - Applications
Closed circuit axial piston pumps are used as hydrostatic transmission components in self-propelled machines and for rotary drives in both fixed and mobile equipment of all kinds - Fixed displacement motors can also be used in open circuit application Suitable for a variety of hydraulic circuits Hoists - Fans - Drives - -
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