LP # 193 SUBMERSIBLE PUMP

Question 1

What is another name for the

Submersible Pump?

Answer 1

The submersible pump (also known as the
Prosser Pump) is a small electric, lightweight
centrifugal pump that will operate completely
submerged in water.

Question 2

WHAT IS THIS PUMP USED FOR?

Answer 2

It is used for dewatering buildings, basements,
pipelines, sumps, tunnels, and underground
vaults.

Question 3

What are the four components of

the submersible pump?

Answer 3

The four main components of the Submersible
Pump are the pump, switch box, electrical
cord, and the pump strainer

Question 4

WHAT ARE THE SPECS ON THE PUMP?

Answer 4

Pump
a) 1 horsepower
b) Centrifugal design
c) 1 1/2" national standard threads on top and
bottom

Question 5

WHAT ARE THE SPECS ON THE SWITCH BOX

Answer 5

Switch Box
a) Driptight (The switch box is not waterproof.
NEVER SUBMERGE)
b) Positions-Run/OfF

Question 6

WHAT ARE THE SPECS ON THE ELECTRICAL CORD?

Answer 6

Electrical cord
a) 20 feet from pump to switch box, 6 feet
from switch box to plug

Question 7

What is the purpose of the pump

strainer?

Answer 7

Pump Strainer
a) Mushroom shaped strainer designed to
protect the impeller and pick up water
within 1/4” of a flat surface

Question 8

When using a portable generator as
a power source it must be rated at
how many watts?

Answer 8

Connect the pump to a power source. Never use
a portable generator rated at less than 2500 watts
due to starting requirements.

Question 9

What is another name for the 2 1/2”

by 2 1/2” elbow?

Answer 9

2 1/2” by 2 1/2“ elbow (Hogan’s Bend)

Question 10

When do we backflush the pump?

Answer 10

Backflush after each use
B. Change oil every 400-500 hours
1. Drain oil
2. Add 3 ounces of 20 weight non-detergent
turbine oil

Question 11

WHAT IS THE PUMPS RATED CAPACITY?

Answer 11

A. With a 1 1/2” discharge line the Submersible
pump will discharge approximately the following
flows:
1. 108 gpm with 10 feet of head
2. 85 gpm with 20 feet of head
3. 40 gpm with 35 feet of head
4. 20 gpm with 40 feet of head
5. The pump is ineffective with over 45 feet of
head