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A | Tsurumi Stuffing Box - absolutely watertight The stuffing box is located at the cable entry section and takes the part of sealing off water. As the cable conductors consist of twisted wires, water may penetrate into the motor by the capillary phenomenon when cable sheath or insulation is damaged or when the end of the cable is submerged. The construction is such that a certain part of the insulation of each conductor is peeled and filled with rubber or epoxy resin for the complete sealing. B | Built-in motor protection Located directly above the motor windings, a snap-action self-resetting bi-metal device cuts off voltage from all three phase windings simultaneously if the current is too large in one, two or all three windings, or if the windings get too hot. Tsurumi enables measurement of winding resistance and insulation from the far end of the cable, without ever removing the cover from the motor in the field. C | Ball bearings of highest quality Due to the high quality of the shaft and the bear rings all pumps can be run horizontally when entirely submerged. D | Double mechanical SiC seal in oil bath All Tsurumi pumps dispose of a double mechanical seal for increased durability: The double inside mechanical seals of all our sewage pumps have sealing rings of Silicon Carbide, no other material has greater hardness. Resistance to temperature fluctuation and corrosion is also the best available. E | Oil Lifter A special guide vane is attached inside the oil chamber. With the motor rotation oil is pumped up. Therefore even at low oil level lubrication and cooling of the mechanical seal is secured. F | Impeller A variety of types are available, depending on applications, i.e. open type, closed type, non-clog type and vortex type.
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A | Tsurumi brtvenica - u potpunosti vodonepropusna Brtvenica je smještena na ulazu kabla, te igra ulogu u brtvljenju vode. Budući se kablovi sastoje od savinutih žica, voda može prodrijeti u motor takozvanim kapilarnim fenomenom, ukoliko se plašt ili izolacija kabela oštete ili ukoliko se kraj kabla nalazi u vodi. Konstrukcija je takva da se određeni dio izolacije svakog pojedinog vodiča oguli i napuni gumom ili epoksiranom smolom za potpuno brtvljenje. B | Ugrađena zaštita motora Smješten iznad namotaja motora, samo - resetirajući bimetalni uređaj istovremeno prekida napon od sva tri faze namota, ukoliko je jakost struje prevelika u jednom, dva ili sva tri namota ili ukoliko se namotaji previše zagriju. Tsurumi omogućuje mjerenje otpora namotaja i izolacije od kraja kabela, bez skidanja poklopca na terenu. C | Kuglični ležajevi najveće moguće kvalitete Zbog visoke kvalitete vratila i ležajeva, sve pumpe mogu raditi horizontalno, kada se u potpunosti urone. D | Dvostruka mehanička SiC brtva u uljnoj kupki Sve Tsurumi pumpe raspolažu dvostrukom mehaničkom brtvom za povećanu trajnost: Dvostruke unutarnje mehaničke brtve svih pumpi za kanalizacijske sustave imaju brtvene prstene iz silikonskog karbida, jer nijedan materijal nije toliko čvrst. Odlikuju se i otpornošću na temperaturne oscilacije i koroziju. E | Podizač ulja Posebno patentirani podizač ulja smješten je unutar uljne komore. S rotacijom motora, ulje se tjera prema gore. Stoga su čak i na niskim razinama ulja osigurani podmazivanje i hlađenje mehaničke brtve. F | Rotor Dostupan je veliki broj modela, ovisno o primjenama, tj. otvoreni tip, zatvoreni tip, jednokanalni tip te samousisni (vrtložni) tip.