Shinko|Nishishiba "SMR" removable type intank pump is installed at the bottom of LNG, LPG & DME receiving tank, storage tank and PC tank constructed underground, and is used as a discharge or transfer pump.
And, when applied as an emergency cargo pump for LNG carrier, it is kept in the deck store usually, and in case that unexpected accident happens to the cargo pump, this pump shall be used by hoisting down in the column which is provided in the cargo tankD
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The pump and motor are so constructed as to form one body and submerged in the pumping liquid, thus there is no fear of liquid and gas leakage because of no sealing device required.
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The motor is operated in liquid and completely isolated from atmosphere, then it is absolutely safe from explosion.
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Lubrication for ball bearings is effected by the pumped liquid, which is also used for cooling the motor.
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Hydrodynamic thrust of the impeller is theoretically balanced.
Furthermore, a balance sleeve is provided at the upper end of the shaft to alleviate the weight of the rotating element loaded to the thrust ball bearlng.
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Inducer with extremely excellent suction performance is fitted below the impeller, so full operation is possible during the period of unloading, making residual liquid as little as possble.
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Stator coil is fabricated with the form wound type with high insulation property and rigidity.
For the motor insulation material and varnish, the material with durability and cryogenic resistance property are used.
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