The KSMK is an API 610 / ISO 13709 11th Edition BB2 radially split one or two-stage centrifugal pump. Flows to 13,209gpm (3,000m³/hr), Heads to 1,640ft (500m)

API 610 / ISO 13709 11th Edition BB2 radially split, centerline mounted, double volute, between-bearings centrifugal process pump. It is available in one or two stage configurations. These pumps feature a double suction impeller. In-line and side / side flange configurations available.


An excellent pump for refining applications including toppings, gas condensate, HDS and platforming. Any application requiring high suction pressure including thermol solar, crude oil and gas pipelines, charge pumps and low shear applications.

-Flows to 13,209gpm (3,000m³/hr)
-Heads to 1,640ft (500m)
-Temperatures: -238 to 752°F (-150 to 400°C)
-Standard design pressures to 1,160psi (80bar)

-Custom higher design pressure available up to 1,480 (102 bar)



Performance Envelope, 60Hz


Performance Envelope, 50Hz




Heads To  1,300 to 1,640ft 277 to 350m 60HZ: 396 to 500m
Flows To  80 to 13,208gpm 8 to 2,400m3/hr 60HZ: 10 to 3,000m3/hr
Max Power  2,011 1500
Temp Range  -22 to 752°F -30 to 400°C
Number of Stages  2.0
Max Case Working Pressure  870 psi 60 bar
Max Suction Pressure  290psi (20bar)
Differential Head  1,640 ft 500 m
HP Dependent on Diff. Head  2,011 hp 1,500 KW
Standard Delivery  Consult factory
Speed Range  0 to 3,500rpm-60Hz
Materials of Construction  Compliant to H1-API-610, 10th edition
Bearing Materials Available  Ball bearing (optional roller bearing) plus angular contact bearing
Hydrotest Pressure  1,160 psi 80 bar
Max Viscosity  Consult factory
Industry Standard  API-610 11th Edition and ISO 13709
Mounting Configurations  Horizontal / Top-Top (optional side-to-side)
Number of Available Hydraulics... 11.0
Seal Configurations Available  API-682
Available Flanges  300#, 600# FF/RF
Pump Case Corrosion Allowance  0.118inch (3mm)
Suction and Discharge Size  up to 20"/16"
API Plans for Sundyne Pumps  All API-682 configurations

Centrifugal Multi Stage Heavy Duty Process Pumps
Sundyne Corporation manufactures a variety of centrifugal multi-stage pumps ideal for most heavy duty process applications.
BB2 API-610, ISO 13709 Pumps
Sundyne Marelli Pumps are centrifugal, between-bearings, 1 and 2 stage, radially split case type pumps ideal for critical heavy-duty process applications

Marelli API 610 - ISO 13709 Pumps
Marelli Pumps are API 610, 11th Edition and ISO 13709, DIN compliant.

  • Light Oils
  • Pipeline
  • Organic Chemicals
  • Diesel Fuel
  • Circulating Water
  • Sulfur Sweetening
  • Solvents
  • Condensate Cooling Water
  • Condensate Extraction
  • Hydrocracking
  • High Pressure Water Injection
  • Brine Injection
  • Condenser Cooling
  • Petrochemical Processing
  • High Pressure Washdown
  • Plastics
  • Butane Transfer
  • Desalination
  • Booster
  • Fertilizer
  • Flue Gas Wet Scrubbing
  • Water Boosting
  • High Temperature Service
  • Evaporators
  • Benzene Reduction
  • General Processing Industry
  • Descaling
  • Brine
  • Oil Production
  • Petroleum Production and Refining
  • OEM
  • Gasoline
  • Gas Production
  • Aromatics
  • Biofuels
  • Acid Transfer
  • Utility
  • Decoking
  • Visbreaking
  • Alkylation
  • Crude Oil Transfer
  • Seawater Reverse Osmosis SWRO
  • Fuel
  • Cargo Loading and Unloading
  • Cooling Systems
  • Gas Scrubbing
  • Potable Water
  • Polysilicon
  • Biodiesel
  • Steam Generator Feed
  • Turbine Cooling
  • Heat Transfer Fluids
  • Isomerization
  • Bleach
  • Amine Treating
  • Feedwater Booster
  • Heater Charge
  • Offshore
  • Catalytic Cracking
  • Geothermal
  • Water Injection
  • Synthetic Fuels
  • Chemical Transfer
  • Reverse Osmosis
  • Hot Oil
  • Sour Water
  • Water Supply
  • Catalytic Reforming
  • Crude Oil Loading
  • Boiler Feed Booster
  • Water
  • Water Treatment
  • Energy Recovery
  • Circulation
  • Reactor Circulation
  • Dehydrogenation
  • Pipeline Booster
  • Hydrotreating
  • Recycling Services
  • Propane Transfer
  • Industrial Plant Services
  • Cooling Tower
  • Sea Water
  • Condensate
  • Flue Gas Desulphurization
  • Cooling Water
  • Boiler Circulation
  • Boiler Feedwater

API American Petroleum Institute
Sundyne has a wide range of heavy duty centrifugal pumps that are compliant with American Petroleum Institute API-610, 10th and 11th Edition (OH1, OH2, OH3, OH4 OH5, OH6, BB1, BB2, BB3, BB5, VS1, VS2, VS4, VS6) and API-685 sealless magnetic drive standards Our customers in the oil refining and petrochemical industries have for years turned to Sundyne pumps for their high-head, low-flow services and other difficult or hazardous applications.
ISO International Standards Organization
Sundyne centrifugal pumps that are compliant with the International Organization for Standardization ISO 13709 standards for oil and gas production, refining, chemical and petrochemical operations.

  • Production
  • Refining
  • Power Generation
  • Water Treatment
  • Chemical Processing
  • Water Supply and Distribution