External-gear pump KFF 2.5...112
oildiesel fuelmagnetic-drive

external-gear pump
external-gear pump
external-gear pump
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oil, diesel fuel
for marine applications

Max.: 25 bar (362.594 psi)

Min.: 0 bar (0 psi)


The Type KF-F transfer pumps were developed specifically for use with fuels, especially for marine fuels. These need to be critically considered, especially regarding the lubricity. And above all, those with low sulphur. Diesel fuels (MGO/DMA) exhibit low lubricity, which cannot be determined through the viscosity. Special methods are available for deter mining the tribological properties. The HFRR test acc ISO 12156 is a recognised method for measuring the lubricity of diesel fuels. The characteristic value determined using this method is referred to as Wear Scar Diameter (WSD) and increases with decreasing lubricity. This characteristic value is stated by the fuel manufacturers and can be included when assessing the stability of components. The KF-F fuel pumps are durable up to a WSD value of 520 µm, which is the minimum lubricity of MGO and DMA according to ISO 8217. Furthermore, the pumps exhibit extremely good efficiency, especially at high speeds. The KF-F pumps can be used without restrictions for pumping fuels with low sulphur content, MGO/DMA (gas oil) acc ISO 8217 (see working characteristics). Direction of Rotation The following should be note for direction of rotation: • when looking at the pump shaft end, the direction of pumping is from left to right if the shaft rotates clockwise. • when looking at the pump shaft end, the direction of pumping is from right to left if the shaft rotates counterclockwise.


*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.