Centrifugal pumps are the most common pumps used in firefighting applications; in this article, we will explain the fundamental differences between the two most common types of centrifugal pumps, "End Suction" and "Horizontal Split Case," and compare the capacities, initial costs, maintenance, and space requirements for each type. Read More:- https://flowmorepumpsindia.blogspot.com/2022/02/what-is-difference-between-horizontal.html

1. What Is the Difference Between Horizontal
Split Case vs End-Suction Pump?
Centrifugal pumps are the most common pumps used in firefighting applications; in this article, we
will explain the fundamental differences between the two most common types of centrifugal pumps,
"End Suction" and "Horizontal Split Case," and compare the capacities, initial costs, maintenance,
and space requirements for each type.

2. The suction nozzle of a single suction pump is located on the other side of the casing from the
stuffing box, with the face of the suction nozzle perpendicular to the shaft's longitudinal axis. The
impeller is frequently installed on the end of a shaft that is "overhung" from its bearing supports,
which is known as a "overhung hung impeller."
Close coupled end suction pumps have the impeller installed directly on the motor shaft, while
independently coupled end suction pumps have the impeller mounted on a separate pump shaft
supported by its own bearings.
The casing of a centrifugal pump that is divided parallel to the shaft. The impeller is commonly
positioned on a shaft with bearings at both ends, and is known as a "Impeller Between Bearing"
type. Horizontal split pumps are available in single stage or multistage configurations.

3. CAPABILITIES ARE AVAILABLE IN A VARIETY OF SIZES
Because the pump casings are often heavier and designed to handle higher working pressures, the
horizontal split case pumps can withstand the large amount of vibration and thrust forces often
caused by water turbulence in the suction piping. Furthermore, the design of "Impeller between
bearing" and because the water enters the two sides of the impeller (double suction), these pumps
can withstand the large amount of vibration and thrust forces often caused by water turbulence in
the suction piping.

4. Because water enters one side of the impeller and because of the "Impeller overhung" design, end
suction pumps cannot be used for high water flow applications, often not surpassing 1500 gpm.
INITIAL COST: Horizontal split case pumps are often heavier and cost more than comparable
end suction pumps due to the wide flanges required for the split casing sealing joint, larger impeller,
and overall huge size. However, because end suction pumps have a long operating life, the cost of
maintenance and downtime may outweigh any initial cost savings.
MAINTENANCE: Horizontal split case pumps are simple to maintain since the top half of the
casing may be removed, exposing the internal components (bearing, shaft, impeller, and so on)
without disrupting or moving the motor.

5. Maintenance of end suction pumps, on the other hand, is more challenging due to their compact
construction; for example, removing the impeller necessitates removing the motor to make room
for pulling the impeller back out of the casing.
STORAGE IS REQUIRED
End suction pumps have the advantage of saving space due to their compact form, whereas
horizontal split case pumps require more space.