Grundfos KP/KPV |  Horizontal & Vertical Double
Suction Split Case Pumps
INNOVATIVE TECHNOLOGIES
The Grundfos philosophy is that only long-term savings are true savings, and PACO products are designed
with this in mind.

The innovative hydraulic design, ease of mainte¬nance, low life-cycle costs, and energy efficiency of PACO
products assure maximum benefits for the user.

Grundfos understands custom applications and takes the customer’s desire for minimal installa¬tion and
operating costs into account when devel¬oping products that significantly reduce the total cost of ownership
over its lifetime.

KP/KPV pumps are reliable, field-tested, and can be configured to meet the specific requirements for a
variety of commercial building applications.

HORIZONTAL SPLIT CASE – RELIABILITY BUILT IN
Grundfos’ humble, unstoppable workhorse – the KP – is always hard at work behind the scenes. KP double
suction split case pumps are an engineer’s first choice for demanding applications where only the most
reliable pumps go the distance.

The split-case design offers easy serviceability and better efficiency and operating performance com¬pared
to other designs. You get energy savings, low¬er life cycle costs, and peace of mind from day one.

The KP range features double volute construction, self-contained bearing housing, Francis Vane impeller
design, and choice of application-specific materials of construction. Engineers have always favored KP
pumps because of their reliability and quality.

With so many configurations possible, you can be sure to find the perfect solution with a customized KP
pump.
The KP is designed to last. A few of the innovations which contributes to its solid performance include:
> A unique, self-contained bearing housing/seal chamber that allows for ease of maintenance and simple
inspection of seals, sleeves, and bearings – without the removal of the top half of the casing.
> A hydraulically balanced double suction impeller and balanced radial loads, which provide quiet operation,
minimum vibration, and reduced operating costs.

The KP has a proven track record and is field tested in accordance with current Hydraulic Institute
stan¬dards, so you can count on its reliability before you purchase and put the pump to work.
A VERTICAL OPTION FOR SPACE
SAVINGS

The KPV offers the same great design as the KP, but it is vertically
mounted for a space-saving con¬figuration or when space is at a
premium.



The KPV features an accurately machined rabbet fit and locating
pins, which permanently align the verti¬cally mounted motor and
pump, thus removing the need for alignment.




The lower bearing is designed with a protective moisture seal and
water slinger to reduce the possibility of bearing damage caused by
liquid present external to the pump.
FEATURES AND BENEFITS: A CLOSER LOOK

What makes the KP/KPV pumps so special? Let’s take a closer look at the innovative designs and
technologies beneath the blue paint.

BEARINGS
> Bearings are selected in conjunction with short bearing span and large diameter shaft to provide a long
life (minimum 50,000 hours)

BEARING HOUSING
> Unique bearing housing design combines seal and bearing chambers for ease of maintenance
> Allows for seal, sleeve, and bearing inspection without the need to remove the top half of the casing.
> Compact, robust housing construction has a 360-degree machined register fit and limits shaft deflection
and optimizes alignment.

CASE WEAR RINGS
> Replaceable case wear rings protect the pump casing from wear and tear and permit simple and easy
maintenance of proper running clearances
> Case wear rings reduce maintenance costs and help maintain high operating efficiencies

CASING
> Suction and discharge flanges are integrally cast into the lower casing half, which allows for removal of
the rotating assembly without disturbing connected piping
> Casing is foot mounted to reduce vibration

IMPELLERS
> Engineered “closed” (double shrouded) impellers with Francis Vane design improves the pump’s efficiency
> Extended vanes and enlarged eye contribute to a reduction in vibration and noise as well as reduced
overall NPSH required for these pumps
> Impellers are statically and dynamically bal¬anced to ISO 1940-G3, decreasing noise and vibration
> Hydraulically balanced impellers reduce radial loads, prolonging seal and bearing life
> Additional surface finish and impeller preparation help improve overall efficiency
> Multiple material selections allow for customized solutions to meet specific application requirements.

RECIRCULATION
> Recirculation lines allow for external lubrication or abrasive separation and are available when required

SHAFT and SHAFT SLEEVES
> Large Diameter precision-ground shaft mini¬mizes shaft deflection and vibration
> Shaft sleeves are available in a wide variety of metallurgies, such as steel, bronze, etc.
> Sleeve protects the shaft from corrosion and wear, extending the overall life of the shaft and usable life of
the pump

SHAFT SEALING
> Pumps can be customized with any combination of mechanical seals or packing configurations specifically
selected to meet the application’s requirements

SUCTION BAFFLES
> Integrally cast suction baffles direct flow from the suction into the eye of the impeller for a more even
flow distribution
> Insures less suction recirculation losses and pro¬motes a more quiet, vibration-free operation

SUCTION CHAMBERS
> Suction inlet configuration increases hydraulic efficiency and lowers net positive suction head requirements
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