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Azcue MN Close Coupled Centrifugal Pump

Circulating Pump & Sea Water Cooling Pump

Azcue MN Close Coupled Centrifugal Pump
Flow Rate Up to 500M³H
Max Head (pressure) Up to 100M
Outlet Sizes DN32-150
Max Temperature 120°C

Flow Rate Up to 500M³H
Max Head (pressure) Up to 100M
Outlet Sizes DN32-150
Max Temperature 120°C

The Azcue MN Close Coupled Centrifugal Pump is similar in design to the CP, but a larger, more robust horizontal centrifugal pump with larger flow and pressure capabilities and that can handle higher temperature fluids. Based on DIN 24255, the Azcue MN is dimensionally the same as other pumps allowing it to easily replace existing single stage centrifugal pumps from other manufacturers in applications involving relatively clean fluids such as water and low viscosity fuels.

The Azcue MN horizontal centrifugal pump benefits from a back pull out design, allowing the motor to be removed without disconnecting the pump from the pipework, saving time during maintenance. Whilst being closed coupled, this centrifugal water pump has a lantern bracket, which means that whilst being of more compact construction, there is still space between the pump and motor so should the seal fail fluid will not enter the motor. Thanks to the addition of wear rings,  there is small clearance between the impeller and pump casing preventing wear to these parts. Wearing rings are designed to be changed every now and then to prevent the more costly replacement of the impeller or casing. 

These Azcue pumps have separate shafts in the pump head and motor meaning that if there is ever an issue with one shaft, there is no need to replace it all; a benefit over other pumps on the market that have one continuous shaft from head to motor. If required, the MN horizontal centrifugal pump is available with an external vacuum or electric priming pump. For longer suction distances, a vacuum priming pump would be the better solution thanks to its ability to dry run for short periods of time.

  • Close coupled, single stage centrifugal pump
  • DIN 24255 dimensions for easy retrofitting
  • Pump manufactured in Spain
  • Marine type approved by all classification societies
  • Compact horizontal design ideal for space saving installations
  • Available in cast iron, 316 stainless steel and bronze for seawater
  • Lantern bracket providing some space between pump head and motor
  • Back pull out design for simple maintenance
  • Separate shafts in the pump and motor
  • Low NPSH
  • Casing wear rings to prolong casing and impeller life
  • 230v, three phase 50Hz/60Hz motors available. IP55 as standard.
  • Available with a vacuum or electric priming pump on request
  • Assembly without alignment
  • Supplied flanged as standard
  • ATEX versions available
  • IMPA Code: 59 17 61
Marine Applications:Industrial Applications:
  • Sea water cooling pump
  • General sea water service
  • Grey water with low solid content
  • Aquaculture recirculation systems
  • Marine ballast pump
  • Boat deck washing
  • Low viscosity fuel and lubrication transfer
  • Boiler feed water pumping
  • Closed loop HVAC circulating and cooling pumps
  • General water transfer, supply and service
  • Waste water with low solid content
  • Water pressure booster pump
  • Swimming pool recirculation systems
  • Agriculture and lawn irrigation
  • Low viscosity fuel and lubrication transfer
  • Boiler feed water pumping

Key Benefits:


The Azcue MN Monoblock Close Coupled Centrifugal Pump is available with the following material options:

G-Cusn5ZnPb (Rg5)
G-CuSN10Zn (Rg10)
X5CrNiMO 18 10
Marine Services - Crab Vessel

Marine Services - Crab Vessel

Castle Pumps understand that the selection process of a pump is the most important part of the buying procedure, so ensuring that we gather the correct information is vital. This information ensures that the customer will get a pump that works, and a pump that's efficient in saving money in both power and spares over it's lifetime. By collecting the necessary information we were able to spec and source the best pump for this customer's needs.

Refrigeration Engineers

Refrigeration Engineers

Castle Pumps' range is so vast that it includes pumps that other distributors do not have access to. For example, in this case study the client had approached other suppliers who were unable to fulfil their requirement of a self priming centrifugal pump able to handle flow rates of up to 8,300 l/min. Castle Pumps however were able to find the customer a solution.

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