Pulsafeeder Pre-Engineered Skid Systems - Manual (Page 20)

Pre-Engineered Skid Systems
Installation, Operation and Maintenance Manual
PES00039, Rev. B Pump Flow Calibration Page 20
Flow Calibration Procedure
The Calibration Column is filled to slightly above the top mark of the scale. The pump is then run in
the system while being fed from the Calibration Column. After a 30 second time period, the liquid
level reading on the scale will be a direct readout of the pump flow rate in US Gallons/hr. (Note that a
milliliter scale is also shown on the Calibration Column)
With the pump running in the system
1. Open the Column Isolation Valve so that the column feeds into the suction header, and
immediately close the Skid Suction Valve (see Figures 15 and 16)
2. Observe the liquid level in the Calibration Column. When it reaches the top scale mark, begin
timing.
3. Allow 30 seconds to pass.
4. Open the Skid Suction Valve and immediately close the Column Isolation Valve
5. Read pump output flow rate directly on the scale in US Gallons/hr.
Once the calibration is complete, compare the reading to the desired rate for your system. Refer to
your pump operation manual and adjust flow rate up or down accordingly (this is usually done by
changing stroke frequency). After pump adjustment is made, repeat calibration procedure. Continue
until the desired flow rate is achieved.
Scale
Cover
Valve
To Pump
Suction
Calibration
Column
Figure 17
Calibration Column
Start
Calibration
Procedure
Start
Timing
End of
30 Second
Time Period
Figure 18
Liquid Levels During Calibration
Top Scale
Mark
Beginning
Level
Read Pump
Output Rate