Pump reliability is one of the biggest rotating equipment challenges in a process plant. There are literally hundreds of pumps to monitor and maintain. There are three strategies which can be implemented to improve punp reliability, which will be explored here. These are redundant/spare equipment, transmitters with advanced diagnostics and
Within a process plant there is all kinds of turbomachinery, including compressors, pumps and fans. They are generally steam driven and move a lot of fluid. They are large. They are expensive. The manufactures of turbomachinery will include basic controls to meet performance specification and safe operation. This presents a good opportunity to add […]
Historically, reliability was realized through Preventative Maintenance (PM). It was routine to replace components on a time schedule based on best practices at the time. This included bearings, seals and lubrication. However, it was realized that these compenents could be perfectly fine and did not need replacement. Predictive Maintenance (PdM) soon replaced PM schedules. With […]
Cavitation is a common source of pump failure. Vibration monitoring is the general technology used to capture this condition. However, it does not always work because the impact of cavitation cannot be discerned within background noise. Pressure transmitters that utilitze Statistical Process Monitoring (SPM) is a great way to monitor this, especially on “bad actors”.
When a […]
There has been a revision to the AMSE PTC 19.3 which addresses wake frequency calculations. The new standard is PTC 19.3 TW-2010. It behooves you to check your designs to determine how these may impact your temperature measurement. Specifically, velocity collars are no longer recommended.
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