Advantage of pumps NFQ is their self-priming ability up to 7 m and their standby by employment in during duty. They are applicable mainly for pumping the turbid water with contain up to 3% of solid additions weight. They are intended for the large field of application: to pump the turbid and polluted sewage water, to pump or filling the reservoirs, to pump the water from water wells and basins, to pump from sewage pits, to dewater the flooded areas (e.g. cellars, canals, chambers, trenches), for spraying, watering and irrigation of the garden areas, for circulation and aeration of pools and ponds water etc.