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Applications, Terms to know – Multiquip MQ62TDD User Manual

Page 17

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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