Repairs Cannned Motor Pumps

This type of pump is designed to handle high temperature liquid upto+400°C Especially for hot oil. thermic fluid etc. The pump and motor are connected by an adaptor plate. The adapter is constructed in the middle to separate the motor from the pump thermally by reducing the heat transfer to the motor. In this type of pump, circulation plan to cool the motor and lubricate the bearings is executed by an auxiliary impeller installed on the rotor shaft on the front side independent from the main pump A heat exchanger is provided on the stator body to cool the motor by an external cooling water supply.

Canned Motor Pumps Repairs

A major problem with canned motor pumps is that the winding gets damaged when the pump fails. The delivery time for new pumps of this type is usually several months, but rewinding canned motor pumps can be finished within two weeks in most cases.

Rewinding of Canned Motor Pumps

This type of pump is used in critical applications, therefore it is important that the pump is hermetically sealed. Rewinding of canned motor pumps demands specific knowledge and experience to ensure reliability after repairs. Flowdyne repairs according to the following scope:

• Disassembly of Motor and pumps
• Rewinding of Stator
• Changing end covers flanges
• Isolating Stator
• Supplying seals (depending on product)
• Rewinding of the pump
• Welding and installing of Rotor & Stator Cans
• Pressure testing
• Balancing of rotor assembly with Impeller
• Testing of the welds
• Assembly of the Pumps.
• Testing of Pump in test bench.

Result: Quality and Lead time

Flowdyne has years of experience in repairing canned motor pumps. Our clients from the petrochemical, chemical, refrigeration and pharmaceutical industries are very satisfied with the lead times and quality that Flowdyne delivers on canned motor pumps.