Shutter body, shaped drawer plan, Gate or even glasses, is preavazut sealing systems on each of those sides, so that valves of this type can be utilized for flow in both directions. Sealing element is made from rubber, brass or bronze, as are valves are generally low, medium or high pressure. Submersible water pump with gate valves to plan or just by opening shutter body, in the lower close up produces a discontinuity in current management, the possibility of formation of vortexes. Hydraulic losses due to these phenomena by these kinds of valves are important. To avoid this inconvenience of a really model submersible pumps, valves using glasses, shutter whose body is extended in the bottoom with a ring.Pump valvesPump valvesPump valves