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RCHC\u2019s Aluminum Pump RPGP511 Series fixed displacement gear pump offers high performance and high power density due to its aluminum construction, making it an ideal selection for the Aerial, Agriculture, Construction, Forestry, Material Handling, and Turf Equipment markets where durability and efficiency are important.Features & Benefits: Three-piece construction for distribution flexibility, Aluminum pumping sections for light weight,Journal bushings for long life, Pressure balanced thrust blocks for high efficiency.Sizes from 4 to 33cc,Operating pressures up to 250 bar,Speeds up to 3,500 rpm,Rotation CW and CCW.<\/p>\n\n\n\nProducto<\/strong> Features<\/strong><\/th>Description<\/strong><\/th><\/tr><\/thead>Pump<\/strong> Type<\/strong><\/td>| Pressure balanced, aluminum, external gear<\/td><\/tr> | Mounting<\/strong><\/td>| SAE, rectangular, thru-bolt standard specials on request.<\/td><\/tr> | Ports<\/strong><\/td>| SAE and metric split flanges and others<\/td><\/tr> | Eje<\/strong> Style<\/strong><\/td>| SAE splined,keyed,tapered,cylindrical tang drive,specials on request<\/td><\/tr> | Maximum Speed<\/strong><\/strong><\/td>| 500 – 3500 rpm, see Specifcations<\/td><\/tr> | Theor.<\/strong> displacement<\/strong><\/td>| See Specifications<\/td><\/tr> | Drive<\/strong><\/td>| Drive direct with flexible coupling is recommended.<\/td><\/tr> | Axial \/ Radial load<\/strong><\/td>| Consult with product service for allowable loading.<\/td><\/tr> | Inlet<\/strong> presi\u00f3n<\/strong><\/td>Operating range 0.8 to 2 bar abs.
Min.inlet pressure 0.5 bar abs.
Short time without load.Maximum suggested inlet fow velocity for pumps: 2.5 mps.
Consultation is recommended.<\/td><\/tr> | Outlet<\/strong> presi\u00f3n<\/strong><\/td>| See Specifications<\/td><\/tr> | Hydraulic<\/strong> fluids<\/strong><\/td>| Hydraulic oil HLP,DIN 51524-2<\/td><\/tr> | Fluid<\/strong> temperature<\/strong><\/td>For NBR seals, range of operating temperature -40\u00b0 to +80\u00b0C.
For FKM seals, range of operating temperature -20\u00b0 to +105\u00b0C.
Max.permissible operating pressure dependent on fuid temperature.
Temperature for cold start -20\u00b0 to -15\u00b0C at speed \u22641500 rpm.
Max.permissible operating pressure dependent on fuid temperature.<\/td><\/tr> | Viscosidad del fluido<\/strong><\/td>Range of operating viscosity 8 to 1000 mm\u00b2\/s.Max.permissible operating pressure dependent on viscosity.
Viscosity range for cold start 1000 to 2000 mm\u00b2\/s at operating pressure p \u226410 bar and speed n \u22641500 rpm.<\/td><\/tr> | Filtration<\/strong><\/td>| According to ISO 4406 Cl. 19\/17\/13<\/td><\/tr> | Direction<\/strong> of<\/strong> rotation<\/strong>
(looking<\/strong> at<\/strong> the<\/strong> drive<\/strong> shaft)<\/strong><\/td>Clockwise, counter-clockwise.
Attention! Drive pump only in indicated direction of rotation.<\/td><\/tr> | Multiple<\/strong> pump <\/strong> assemblies<\/strong><\/td>\u2022 Available in two or three sections,limitations shown in the shaft loading rating table in this catalog.
\u2022 Max.load is determined by adding the torque values for each pumping section that will be simultaneously loaded.<\/td><\/tr> | Separate<\/strong> orcommon<\/strong> inlet<\/strong>
capability<\/strong><\/td>Separate inlet configuration:
Each gear housing has individual inlet and outlet ports.
Common inlet configuration:
Two gear sets share a common inlet.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n![\"\"](\"https:\/\/www.rchchydraulics.com\/wp-content\/uploads\/2026\/05\/pasted-image-20260508-062156-737.png\") <\/figure>\n\n\n\n\n \n \n![\"\"](\"https:\/\/www.rchchydraulics.com\/wp-content\/uploads\/2024\/12\/1381725345722_.pic_.jpg\") <\/figure>\n\n\n\n![\"\"](\"https:\/\/www.rchchydraulics.com\/wp-content\/uploads\/2024\/12\/1521725345742_.pic_.jpg\") <\/figure>\n\n\n\n![\"\"](\"https:\/\/www.rchchydraulics.com\/wp-content\/uploads\/2024\/12\/1591725345762_.pic_.jpg\") <\/figure>\n<\/figure>\n<\/div>\n<\/div>\n\n\n\n<\/p>\n\n\n\n \n \n <\/p>\n\n\n\n <\/p>\n\n\n\n | | | | | | | | | | | | | | | | | | | |
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