Model: PWD Rev. B_12/2/2015
SPECIFIC GRAVITY
Changes in product specific gravity will
affect required horsepower and discharge
pressure. Fluids with higher specific gravities will
require more horsepower to operate, which
could lead to an overload condition on the unit
driver.
SPEED
Changes in speed affect the total differential
head, capacity and brake horsepower. See
formula below.
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√
NET POSITIVE SUCTION HEAD (NPSH)
NPSH is the total suction head in feet of the
pumpage at the centerline of the impeller eye,
less the absolute vapor pressure of the liquid
being pumped. The NPSHR is the suction head
required to cover suction losses. Refer to the
pump curve for this information. The NPSHA is
the available suction head measured above
product vapor pressure. Failure to have
adequate margin of NPSHA over NPSHR will
cause cavitation and damage to pump internals.
INSTALLATION
RECEIVING
INSPECTION
This unit was inspected prior to shipment.
The unit should be inspected to ensure that no
damage has occurred during transportation.
Some components may have been boxed and
shipped along with the unit, or secured to the
unit. The unit packing list should be consulted to
ensure that no loss of components has occurred
during shipment.
Any loss or damage should be immediately
reported to the carrier and a representative of
PumpWorks 610.
SHORT TERM STORAGE
Unless specifically designated by contract
for long term storage, this unit has setup for
short term storage for a period not more than 6
months from date of manufacture.
When the pump is received, the pump
should be thoroughly checked to make sure all
sealing covers and plugs are still intact. This is
to prevent moisture, windblown particles,
insects, and varmits from entering the pump and
bearing housings.
If there is a base plate involved, it should be
supported in a manner to prevent base
distortion. This is to prevent putting undue stress
on the base running the risk of a permanent set
in a distorted condition. The lower base plate
flange should be elevated and not in contact
with the ground. Sloping top base plates should
be stored in a manner to prevent moisture from
accumulating.
If there is only a pump involved, it should be
supported on a shipping, storage frame, or
cribbage that will provide equal support under all
pump feet. Check to make sure all vent and
drain holes are plugged to prevent entry of
insects and contaminants.
D = Impeller Dia. In Inches
H = Head In Feet
Q = Capacity in GPM
S = Speed in RPM
BHP = Brake Horsepower