1. The pumping system (10), primarily for use in medical technology, in particular for water jet surgery, with the housing (13) of the pump, which has a first portion (14) of the housing and a second portion (15) of the housing, with the suction channel (16 ) and flow channel (17), which are formed in the first part (14) of the housing, with at least two cylinders (22, 26) of the pump which are formed in the second part (15) of the housing and adapted to the piston receiving (25, 29, ) of the pump, and from which extend two channels, respectively (23, 24 27, 28) of the pump, with recesses (31) valve chambers that vypo Nena in one of the parts (14, 15) of the housing, with locks (32) valve chambers, which are correlated with the recesses (31) valve chambers for their closure to form a valve chamber (30) and which terminates in the pressure channel (17) or suction channel (16), wherein the suction channel (16), flow channel (17) and channels (23, 24, 27, 28) of the pump are arranged at the end in the valve chamber (30) with at least one locking component (37) of the valve which is permeable to a sterilizing gaza.2. Pumping device according to Claim. 1, characterized in that the locking component (37) of the valve has a poppet portion (38) and a central pin (42) and located in one of the valve chambers (30) so that the central pin (42) extends into one of the suction duct (16), the discharge channel (17) and channels (23, 24, 27, 28) nasosa.3. Pumping device according to Claim. 1, characterized in that the locks (32) valve chambers are in the form of inwardly projecting recesses valve chambers (31) of the projections (42) .4. Pumping device according to Claim. 1, characterized in that the locks (32) valve chambers and recesses (31) valve chambers formed with the annular gap reference (35) .5. Pumping device according to Claim. 1, characterized in that the parts (14, 15) of the housing are connected with each other by surface1. Насосное устройство (10), прежде всего для