Pump overpressure - problem solution

Pump overpressure - problem solution

Causes of overpressure include fluid hammer, unintentional heat applied to the system, and a faulty pressure regulator. Common areas in industrial applications that face overpressure include valves, solenoids, centrifugal pumps, regulators, and the mounting positions of sensors on pipework. The best solution to overpressure is to prevent it from the very beginning when selecting a pressure sensor.

How to Prevent Overpressure?

• Select a pressure transducer range to handle the maximum pressure range
  • Overpressure Waves- Select a sensor that covers the maximum pressure value in that application
  • Overpressure Spikes
    • Caused by sudden stopping or starting a liquid flow
    • Requires protection device
• Select overpressure transducer design
  • Design approaches include under-ranging, mechanical stops and pressure reliefs
  • Understand the dynamics of their system and the limits of the transducer
  • Be aware of the interaction of pumps, control valves, balancing valves, check valves, pressure switches, motors, compressors, tanks and other system components
  • Be conscious of pressure swings in your own system. A review of service calls, warranty claims and conversations with service personnel will reveal the causes and ranges of actual overpressure occurrences
• Select an overpressure adapter
  • Many adapters work by restricting access to the diaphragm using a small hole to restrict pressure entering
  • Other types of adapters include: piston, bladder types, accumulators, labyrinths.
  • Check the Impleller (429017) element:

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