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MQ62TDD TRASH PUMP • OPERATION AND PARTS MANUAL — REV. #0 (07/30/09) — PAGE 17
APPLICATIONS
Figure 3 below shows a typical application using the trash
pump. Please note that this pump is intended for the removal
of clean water and water containing some debris and solids.
Maximum size of solids should not exceed 2 inches (51
mm) in diameter. DO NOT set strainer on bottom of water
bed. Placing the strainer above the water bed will prevent
the pump from drawing in excessive amounts of sand and
foreign debris.
TERMS TO KNOW
The following terms are usually used when referring to
lift
or
head
:
1. Static Suction Lift – The vertical distance from the
water line to the center of the impeller.
2. Static Discharge Head – The vertical distance from
the discharge outlet to the point of discharge or liquid
level when discharging into the bottom of a water tank.
3. Dynamic Suction Head – The static suction lift plus
the friction in the suction line. Also referred to as
total
suction head
.
4. Dynamic Discharge Head – The static discharge head
plus the friction in the discharge line. Also referred to
as
total discharge head
.
5. Total Dynamic Head – The Dynamic Head Suction
Head plus the Dynamic Discharge Head. Also referred
to as
total head
.
Figure 3. Pump Application
BOTTOM
SURFACE
TRASH
PUMP
STRAINER
DO NOT LAY
STRAINER ON
BOTTOM SURFACE
SUCTION
HOSE
CHOCKED
BLOCKS
(PREVENT ROLLING)
DISCHARGE
HOSE
STATIC
DISCHARGE
HEAD
STATIC
SUCTION
LIFT
LOWEST
WATER
LEVEL