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Deionized Water Dosing in R&D Lab

Deionized Water Dosing in R&D Lab

Problem: As it is a system with 8 units, the deionized water requirement can range from one unit at a time to all 8 simultaneously. The pump pulse was damaging the flow sensors, and the pressurized line was disrupting the solenoid valve cycle. When the water requirement was low or from only one unit, the pump tended to shut down.

Chronic Pulsation Issues at Power Plant in Central PA

Chronic Pulsation Issues at Power Plant in Central PA

Problem: The facility experienced persistent pulsation and vibration in a process line operating with two pumps. Operators noted:

- Poor pulsation control
- Unstable pressure readings
- Concerns that the dampener was “not working”
- Consideration of taking the dampener offline


Initial discussions suggested potential equipment malfunction. However, system layout and installation practices had not yet been fully evaluated.

During the site visit, the system configuration was reviewed in detail. Two critical issues were identified:

1. One Dampener Serving Two Pumps
Both pumps were discharging into a single pulsation dampener—an arrangement not suitable for proper attenuation or balanced operation.

2. Improper Dampener Placement
The dampener was installed well outside the recommended 10 pipe diameters from the pump discharge. At this distance, the unit could not effectively mitigate pressure fluctuations.

These conditions explained the apparent performance issues despite the dampener itself being fully functional.

Water Hammer in Wash-Water Header

Water Hammer in Wash-Water Header

Problem: A Midwest sugar processing operation needed a surge suppression solution that could:

- Absorb hydraulic shock from six 3/4" wash-water valves closing rapidly.
- Handle an estimated 300 GPM flow.
- Fit within tight piping constraints.
- Integrate with both old and new centrifugal configurations.
- Stay within the system's #150 flange / 275 PSIG pressure rating.

The team gathered detailed system information including flow estimates, pipe schedule, pressure limits, and isometric drawings. A surge control engineer reviewed the system and collaborated with the company to understand the transient conditions. A Teams call was held to walk through the piping schematic and confirm installation points.

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