6
P100-991-400B
P100 Installation
Calibration Procedure
Each individual metering pump put into service must be calibrated
in order to accurately determine required pump speed to achieve
the desired flow. The capacity curves shown on page 3 represent a
typical pump; individual pumps may vary slightly from these curves.
In order to achieve the best possible results, perform calibration
under actual process conditions. Follow these steps:
1. Run the pump for 0 minutes at actual process conditions. If
the process system cannot be used, circulate back to the supply
tank through a pressure relief valve (see Installation drawing on
page 5). If required system pressure is less than 50 PSI (3.5
bar) a back pressure valve must be installed and set to produce
a minimum of 50 PSI (3.5 bar) pressure at the pump head.
. Determine maximum pump speed required for all system
conditions that need to be satisfied. Measure pump delivery
at this maximum speed using your system calibration cylinder,
flow meter, or some other means. This is considered to be the
“rated capacity” for your particular metering pump.
3. Measure pump delivery at 75%, 50%, 5%, and 10% of the
maximum speed just determined. Let the pump run for 5
minutes at each speed setting before taking the capacity
measurement.
4. Plot these values on linear graph paper using the horizontal
axis for RPM and the vertical axis for GPH, or any other unit of
measure you may be using for capacity.
5. Draw a best-fit straight line through the points just plotted. For
stable conditions, this line predicts pump speed required to
achieve desired flow over a 10:1 turndown ratio.
Note: as pump discharge pressure increases, capacity
decreases slightly. For any metering pump there are a
series of valid capacity curves that may apply. Use the
curve that depends on actual pump discharge pressure
and other system conditions. It is critically important to
develop a custom capacity curve for each pump and each
system.
Initial Start-Up Procedure
Before you start the pump, be sure that:
• All shut-off valves are open, and the pump has an adequate
supply of fluid.
• All connections are tight.
• The oil reservoir beneath the reservoir diaphragm (71) is
completely full. NOTE: The reservoir is filled and sealed
at the factory. If you are unsure about the oil level, remove
the cover (70) and slowly lift the diaphragm (71). Refer to
6. Fill and Seal the Oil Reservoir in the Fluid-End Service
Section.
1. Open the priming valve on the system back pressure valve
so the pump starts under minimum pressure.
. Turn on power to the pump motor.
3. Check the inlet pressure or vacuum. To maintain maximum flow,
the pump inlet should be under flooded suction conditions at
all times. Inlet pressure must not exceed 50 psi (17.3 bar).
4. Listen for any erratic noise and look for unsteady flow.
• Jog the pump on and off until fluid coming from the
priming valve is air-free.
• Close the priming valve.
P100 Maintenance
NOTE: The numbers in parentheses are Reference Numbers
located in the Parts List exploded views of this manual.
Periodically
Change the oil according to the guidelines below. When
changing, remove the drain plug (69), Allow all oil and
contaminant to drain out. Catch the oil and dispose of it
properly.
Hours Between Oil Changes @ Various
Process Fluid Temperatures
<90°F <139°F <180°F
Pressure
(32°C)
(60°C)
(82°C)
Metallic Pump Head
<1000 psi (70 bar)
6,000
4,000
,000
<1500 psi (100 bar)
3,000
,000
1,500
Non-Metallic Pump Head
<50 psi (17 bar)
3,000
,000
—
NOTE: Minimum oil viscosity for proper hydraulic end
lubrication is 16-20 cST (80-100 SSU).
CAUTION: Do not turn the drive shaft while the oil reservoir
is empty.
There should be no trapped air under the oil reservoir diaphragm
(71). Refer to 6. Fill and Seal the Oil Reservoir in the Fluid-
End Service Section.
Use the appropriate Hydra-Oil for the application.
Note: P Series replacement parts kits (complete kits and
diaphragm kits) include the appropriate oil for each specific
P Series pump configuration.
CAUTION: If you are losing oil but don’t see any external
leakage, or if the oil becomes discolored and contaminated,
the diaphragm (22) may be damaged. Refer to the Fluid-End
Service Section. Do not operate the pump with a damaged
diaphragm.
CAUTION: Do not leave contaminated oil in the pump
housing or leave the housing empty. Remove contaminated
oil as soon as discovered, and replace it with clean oil.
Check the inlet pressure periodically with a gauge.
