pump case

Pumps/Coatings Department Save Customer over $100,000

A large corn processing plant uses a large Ingersoll Rand, Axial Flow Process Pump in their process that experienced a bearing failure. The bearing failure caused the impeller to rub up against the inside of the pump case causing a large cut in the housing. The customer sent the pump to the OEM (Original Equipment Manufacturer), where they welded on the case, which in turn caused more damage to the case by warping the input flange. Which then had to be machined to have it match the inlet piping. This was done on more than one occasion and the last time [...]

Pumps/Coatings Department Save Customer over $100,0002019-09-09T17:59:55-04:00

Installing VFD Drives On Vertical Pumps and Structural Vibration Problems

By: Nelson Baxter It is well known that the installation of VFD drives has the possibility of introducing vibration problems on rotating equipment.  When a machine runs through a wide speed range the probability of operating at or near a resonance is significantly increased as compared to a machine operating at a single frequency. VFDs are generally utilized to slow the speed of a machine down to match the load, thus saving energy and allowing better control of the process.  The inherent nature of the design of vertical pumps means that there is a large mass (the motor) sitting on top [...]

Installing VFD Drives On Vertical Pumps and Structural Vibration Problems2016-11-01T19:04:39-04:00
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