The pump fully confirms to the european pump standard DIN24255/BSEN733 and covers all sizes nominated. This standard covers both performance and dimensions. All pumps are mounted on standardished bearing assemblies modules 25,35,45 and 55, giving high parts interchangeability. The pump offers users many advantanges over equialent pumps, because the range incoporates a number of features that improve realiability and performance, while simplifying maintenance and spare parts inventory. The pump has a back pull-out design allowing for ease of remival in maintenance.