WZA pumps are used in:
TECHNICAL DATA
Features:
Design:
WZA units are submersible, multistage, monoblock centrifugal pumps with a dry, rewindable motor. The unit shaft is supported in upper and lower bearing housings by simple ball bearings, grease-lubricated for the full operation period. The induction motor (single- or three-phase) is built in the austenitic steel jacket and hermetically closed with bearing housings on both sides. The shaft is sealed in the lower housing with a mechanical seal (at pump impellers side - hydraulic section of the unit) and with a sealing ring of special design (at motor side - unit drive section). A buffering oil chamber is located between the seals so as to absorb leaks and to create comfortable working conditions for both seals. The unit pumping part is located below its drive (motor) part. The whole block is connected together with the outside jacket, discharge housing and suction rose.Example of installationi
OPERATION AREA
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