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Pressure Drop vs. Flowrate
SERVICE
For warranty consideration, parts, or
other service information, please con-
tact your local distributor. If you need
further assistance, call the GPI Cus-
tomer Service Department in Wichita,
KS, during normal business hours.
1-888-996-3837
To obtain prompt, efficient service,
always be prepared with the following
information:
1. The model number of your turbine.
2. The serial number of your turbine.
3. Specific information about part
numbers and descriptions.
For warranty work always be prepared
with your original sales slip or other
evidence of purchase date.
Returning Parts
Please contact the factory before re-
turning any parts. It may be possible
10
Flowrate Gallons Per Minute
to diagnose the trouble and identify
needed parts in a telephone call. GPI
can also inform you of any special
handling requirements you will need
to follow covering the transportation
and handling of equipment which has
been used to transfer hazardous or
flammable liquids.
CAUTION
Do not return turbines without spe-
cific authority from the GPI Customer
Service Department. Due to strict
regulations governing transportation,
handling, and disposal of hazardous
or flammable liquids, GPI will not ac-
cept turbines for rework unless they
are completely free of liquid residue.
CAUTION
Turbines not flushed before shipment
can be refused and returned to the
sender.
For estimating pressure
drops on liquids other than
water, use the following
formulas:
P = [ VISC (CPS) ] 1/4 x
[ S.G. ] ¾ [ PH O ]
Where: CPS = Absolute
Viscosity in Centipoise
SG = Specific Gravity
PH O = Pressure Drop at
the Operating Flowrate from
the Chart
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