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Radial ball bearings:
-excellent suppliers (SKF, FAG, INA, NSK)
-bearing clearance: class C3
-life lubrication
-dimensions with high security coefficients
Mechanical seal with silicon carbide faces suitable to high abradability
-integral seal for complete shaft protection
-stainless steel spring
Impeller screwing up through a conic joint
-impeller setting
-simple assembling and disassembling
-shaft ruggedness
Oil chamber to protect the motor housing from the input water and to lubricate the mechanical seal
-wedges on the motor housing to increase the thermal exchange surface
-mono and three-phase versions with an incorporate float
   
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