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.

Summary Comparison of Big and Little Split Flow features

  Little Split Flow™ Big Split Flow™
Pump Type - Generic Overhung: Horizontal & Vertical Between Bearings: Horizontal
API Standard 610 Type OH2 & OH3 BB2
Discharge (Standard Sizes) 1 inch Through 10 inch 2 inch Through 10 inch
Casing Radial Split Radial Split
Number of Stages / Impellers
   Primary:
   Secondary:
  • One + Auxiliary
  • Single Suction
  • Drilled Hole Type up to 40 GPM
  • Radial Type over 40 GPM &
  • Two
  • Double Suction 1st Stage *
  • Single Suction 2nd Stage
Minimum Flow Bypass
   Primary Discharge:
   Secondary Discharge:		  
- Required
- Not required with drilled hole impeller
- Required with radial impeller		  
- Not Required
- Required
High Pressure Secondary Flow Up to 30% of total 2000 gpm Maximum
Horsepower -
Nominal Maximum @ 3600 RPM		 200 2000
Bearings Ball or Roller Journal: Ball or Sleeve
Thrust: Ball or Tilt-pad
Reasons To Use
(Applicable to both types)
Pump Manufacturers
Licensed by Split Flow		 - CPC Pumps, Int'l.
- Flowserve
- Sulzer		 Power Machinery, Inc.
* Single suction first stage impeller is used with smaller size pumps.

Split Flow comparison:

Little Split Flow™
Big Split Flow™

 

* Single suction first stage impeller is used with smaller size pumps.

Criteria for use of Split Flow
Split Flow Pumps™
Split Flow API centrifugal pumps: Save energy, reduce carbon emissions.