TPF/HGP & TPF/PR1 Series Variable Displacement Pumps have a variable displacement vane pump of 25 or 33 lpm with a max operating pressure of 70 bar coupled to a fixed displacement gear pump with a max working pressure of 210 bar (intermittent peak 250 bar). TPF/HGP & TPF/PR1 Series Variable Displacement Pumps are similar to the TPF+HGP except that the fixed displacement pumps have a built in relief valve.