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Patterson Horizontal Split Case Pump (HSC)
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Patterson Horizontal Split Case Pump (HSC)


Backed by over a century of engineering know-how, Patterson Horizontal Split Case Pumps are the ideal choice for clear water and low-viscosity clear fluid applications. With industry-leading flow power and regulation technology, Patterson HSC pumps manage temperature, pressure and flow for optimal comfort and efficiency for moderate head systems. Precision balancing ensures efficient, dependable operation, while simple design extend unit life and minimize power consumption. Single- and two-stage heads are availabe as are up to 48 inch discharge outlets to meet unique processing needs.

Patterson pumps provide high-performance systems to support a range of agricultural, residential, and metropolitan water movement for potable water service, irrigation, water treatment, and other  industrial processes. Patterson maintains a state-of-the-art testing facility that includes below-grade and aboveground water storage units and a fully instrumented laboratory, all to ensure mechanical performance through simulated field conditions testing. 


  • Horizontal split case pumps for clear liquids at moderate heads.
  • Two-stage pumps for high heads up to 1150 feet (350.5 m).
  • End suction models with centerline design for efficiency.
  • Vertical in-line pumps enable flexible installation.
  • Vertical turbine pumps with latest hydraulic designs
  • Axial and mixed flow pumps for large flows at low heads.
  • Capacities from 50 GPM to over 500,000 GPM
  • Heads up to 1150 feet depending on pump type.
  • Pressures up to 275 PSI (19 bar).


  • Municipal drinking water supply
  • Water transport and distribution
  • Irrigation and flood control
  • Raw water intake and treatment
  • Industrial process water
  • Water parks and fountains
  • Fire suppression systems
  • Boiler feed pumps
  • Water jet cleaning systems


  • Flows from 50 GPM to over 500,000 GPM.
  • Heads up to 1150 feet  (350.5 m).
  • Pressures to 275 PSI  (19 bar).
  • Temperatures to 350°F  (177°C).
  • Bowl sizes from 2 inches (51 mm) to 84 inches (2134 mm).
  • Materials include cast iron, ductile iron, bronze, and stainless steel.
  • 50 or 60 Hz operation.


For over a century, Patterson has been the company to deal with for reliability in worldwide pumping installations — whether satisfying urban water and waste demands, harnessing and controlling ravaging floods, reclaiming arid deserts, taming rampaging and devastating fires, or protecting the planet's ecological balance.


An Experience Focused On You

It’s all about helping our customers succeed. We make substantial investments in technology and people to meet the demands of our customers so you stay in control and accomplish more.

At Crane Engineering, your experience as our customer matters.

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