CST Submersible Turbine

The CST submersible turbine pumps are used in a variety of commercial, municipal & industrial applications water supply is readily available in rivers, lakes, ponds, streams or water wells.  CST pumps are industry leading from a feature & benefits standpoint.  This heavy wall, vitreous enamel lined bowl assembly uses a Francis design impeller constructed of investment cast 304 stainless steel that provides a very broad operating range with very high efficiency. Various sizes of ductile iron motor brackets are available with strainer and a ductile iron discharge case is standard.  Flanged and o-ring bowls are also standard making maintenance very easy.  Threaded or flanged column assemblies are available and a wide variety of fabricated steel discharge elbows are available.  These industry exclusive features makes this product adaptable for the power generation, municipal, mining and oil & gas applications.
CST Submersible Turbine

Flow & Pressure Characteristics

Flows To:  2,200 GPM (500 m³/hr)
Heads To:  2500+ Feet (762+ m)
Temperatures To:  100ºF (38ºC)
Speed Ranges:  3000 RPM To 3600 RPM

Size Range

5″ (125 mm) – 11+” (280+ mm)

Features & Benefits

  • Vitreous enamel, glass lined, cast iron bowl/investment cast 304 stainless steel impeller
  • Flanged bowl connections for easy assembly & disassembly
  • Francis, enclosed, high efficiency impeller with broad band efficiency
  • Bronze bowl bearings standard with many other options available (cast iron, marine, metal or phenolic backed (bronze, rubber or stainless), carbon graphite, composite & grease packed)
  • Unique “CCR” models that feature larger diameter shafts with extended bearing length for higher pressure and horsepower applications (8″, 10″, 12″ & 14″ sizes) as well as integral sand lugs to protect the bowl from abrasive wear
  • Optional bowl & impeller wear rings
  • O-ring bowl connection standard through 16″ diameter
  • Threaded & flanged discharge case options
  • Open or enclosed lineshaft options
  • Threaded or flanged lineshaft options (1045, 416 stainless steel, 316 stainless steel, Nitronic 50, 17-4PH stainless)
  • Threaded or flanged column assemblies
  • Fabricated discharge elbows available in 90º orientation (150#, 300#, 600# & 900# ratings)
  • Unique motor bracket design that has flow path above motor bracket bearing keeping contaminants out of the shaft bore

Available Metallurgies

  • Cast iron, ductile iron, all bronze, all 304 stainless steel, all 316 stainless steel, all Cd4MCu, all Alloy 20, all Hastalloy (B&C), all 2205 super duplex stainless steel, all 2507 super duplex stainless steel, Cr28, all Titanium


  • Chemical Processing
  • Food & Beverage
  • General Industry
  • Irrigation & Agriculture
  • Marine & Offshore
  • Mining & Aggregate
  • Power Generation
  • Water Resources