意大利HesperS.A.齿轮泵HP1,HP11,HPX排量=0,85-7,8ccm/rev工作压力=110-240bar***高压力=120-280bar***高/***低转速=800/3000rev/minHP2,HP22排量=4-25ccm/rev工作压力=150-250bar***高压力=170-280bar***高/***低转速=500/4500rev/minHP3,HP33排量=19,5-63ccm/rev工作压力=140-180bar***高压力=160-200bar***高/***低转速=500/2800rev/minHP4,HP44排量=63-250ccm/rev工作压力=100-180bar***高压力=110-200bar***高/***低转速=500/2800rev/min)