پمپ های دنده ای BT Transfer Gear Pumps BT Displacement Vg = 4… 494 cm³/r Operating pressure p = … 8 bar Speed range n = … 750 1/min Datasheet Transfer Gear Pumps BTH Displacement Vg = 97… 1056 cm³/r Operating pressure p = … 8 bar Speed range n = 750 1/min Datasheet