Simple, Efficient, Reliable & Cost Effective
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"Multiplicity ought not to be posited without necessity."

Occam's Razor
William of Ockham (1285-1349)

Otherwise stated:
Everything should be as simple as possible, but not simpler.

Split Flow displays and comparisons


These photographs show details of primary discharge-to-auxiliary impeller feed lines for prototype pumps.

p3Typical Model H2R pump







p4 Model H2R pump incorporating the Big Split Flow feature. (Click for enlarged image.)







Drilled-hole type auxiliary (booster) impeller used in prototype pumps:

p5 Horizontal two-stage, between-bearings pump incorporating the Split Flow feature. (Click for enlarged image.)







p6Split Flow feature in a vertical in-line pump. (Click for enlarged image and more diagrams.)















Prototype Installation


The Prototype installation, above and below, shows 60hp Split Flow pumps in fractionator reflux service. This particular installation uses top-facing suction nozzles. Horizontal end-suction nozzles are more commonly used with the horizontal overhung pump design. The Split Flow feature may be used with either design.


Split Flow™ displays

Horizontal and vertical

Prototype installation


“The obvious often escapes us.”

Split Flow Pumps™
Split Flow API centrifugal pumps: Save energy, reduce carbon emissions.