BIERI radial piston pumps KKP are very light and compact designed 2-stage pump units (HP/LP) with hollow shaft. This enables optimum space-saving installation with a direct mounted E-motor (without bell housing and coupling). Adapted with integrated valves this pump series is unbeatable regarding multifunctionality and optimization of installation space.
Operating pressure LP | up to 160 bar |
Displacement volume LP | 0,94 bis 5,43 cm³/rev |
Operating pressure HP | up to 700 bar |
Displacement volume HP | 0,17 bis 2,71 cm³/rev |
Speed Range | 1500 up to 3600 rpm |
Features | Advantages |
---|---|
Hollow shaft and integrated valves | extremely compact and weight-saving |
Valve controlled and low piston clearance | Very high volumetric efficiency over a broad speed range |
Bearing designed for maximum constant pressure (700 bar) | Long operating life |
Optimized design of inlet and outlet valves | Very high suction performance |
Minimized dead volume of pistons, linked together with optimized design of suction valves | Self-venting |
Modular pump system | Enables supply of standard pumps as well as special customized models |
Hydraulic fluid | Mineral oil according to DIN 51524 (other fluids on request) |
Fluid temperature range | -20 to 80°C |
Ambient temperature range | -30 to 50°C |
Viscosity range | 12 bis 220 mm²/s |
Operation pressure at suction port | -0,2 bar to 0,5 bar (relative) |
Max. operating pressure HP | 700 bar |
Max. operating pressure LP | 60 bar resp. 160 bar (preset by producer) |
Displacement volume LP | 0,94 bis 5,43 cm³/U |
Displacement volume HP | 0,17 bis 2,71 cm³/U |
Filtration (recommendation) | According to NAS 1638 class 6 resp. ISO/DIN 4406 17/15/12 |
Weight | See technical data sheet |
Installation position | In oil reservoir (any) |
Max. speed range | See technical data sheet |
Direction of rotation (position in tank) | Any |
Suction height | Max. 150 resp. 400 mm |
Material |
Eccentric shaft and valve block: steel Pump housing and pressure flange: aluminium |
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