Axial Flow Pumps also known as Propeller pumps

Best suited for Low head - High capacity pumping. 
Propeller pumps is unmatched in the industry for low head/high capacity pumping requirements, especially when corrosive or abrasive solutions or slurries are involved. Extended service life, mechanical reliability, custom designs and a wide range of materials allow the propeller pump to pump practically any liquid.

Propeller pump has a propeller-type of impeller running in a casing. The pressure in the pump is developed by the flow of liquid over the blades of impeller. The fluid is pushed in a direction parallel to the shaft of the impeller, that is, fluid particles, in course of their flow through the pump, do not change their radial locations. It allows the fluid to enter the impeller axially and discharge the fluid nearly axially. read more

Axial Flow Pumps are unmatched in the Industry

Can be adjusted for best efficiency at varying conditions. 
Propeller pumps are one of three subtypes of centrifugal pumps, the others being mixed flow and radial flow. Of these three types, axial flow pumps are characterized by the highest flow rates and lowest discharge pressures.


Propeller pumps direct flow in a straight line parallel to the impeller shaft rather than radially (perpendicular to the shaft). Pump impeller is shaped like a propeller and contains only a few (typically three or four) vanes. The impeller is driven by a motor that is either sealed directly in the pump body or by a drive shaft that enters the pump tube from the side. The impeller looks and operates similar to a boat propeller, which is the reason why axial flow pumps are also called propeller pumps.

Axial Flow Pump is the converse of the axial flow turbine

Heavy duty  pumps for all kinds of crystallization processes.

Propeller pump is the converse of axial flow turbine and is very similar to it an appearance. The impeller consists of a central boss with a number of blades mounted on it. The impeller rotates within a cylindrical casing with fine clearance between the blade tips and the casing walls. Fluid particles, in course of their flow through the pump, do not change their radial locations. The inlet guide vanes are provided to properly direct the fluid to the rotor. The outlet guide vanes are provided to eliminate the whirling component of velocity at discharge.


Axial flow Propeller pumps available in a wide range of materials, including stainless steels, monel, and super duplex.

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Propeller Pumps

A propeller pump is a high flow, low lift impeller type device featuring a linear flow path. The propeller pump may be installed in a vertical, horizontal, or angled orientation and typically has its motor situated above the water level with the impeller below water. These pumps function by drawing water up an outer casing and out of a discharge outlet via a propeller bladed impeller head. Propeller pumps are used in water treatment installations, chemical plants, or in agricultural applications where high head values are not required. When compared to other common pump designs, they feature several advantages such as large flow capacities, the ability to pump suspended sand, and prime-free operation.

Propeller pumps are of conventional rotary impeller design and are used in applications with large flow volume and moderate head requirements. In these cases, head refers to the total height to which the pump is capable of moving the water. These may be orientated vertically, horizontally, or be angled depending on the specific application. Vertical and angled propeller pumps typically feature a drive motor situated above the water at the top of a tubular casing. The pump drive shaft is routed down to the impeller head at the bottom of the casing through support bearings in a sealed inner tube.

The impeller head is equipped with propeller style blades and may consist of one or multiple stages. The suction head section of the casing which houses the impellers is typically fitted with a strainer attachment that prevents the ingestion of large foreign objects. When the pump operates, the rotating impeller draws water up the casing and through an angled discharge pipe. The fact that the water is moved in a straight line up the pump casing rather than in a circular direction represents the most distinct difference between propeller and other impeller pump types.

Horizontal propeller pump installations usually feature submerged, watertight motors mounted directly behind the impeller head. These models are typically employed where the pump is used to draw water through a reservoir wall or bulkhead. Free floating propeller pumps are mobile units mounted on a purpose built pontoon which can be moved around the body of water if the need arises. Angled pumps are often installed on reservoirs with steeply inclined walls.

The propeller pump is generally a shallow use pump with application depths seldom exceeding 100 feet (30 Meters) with typical shaft depths ranging from 10 to 30 feet (3 to 9 Meters). These pump types offer the benefit of high flow rates with larger examples capable of moving in excess of 50,000 gallons (190,000 liters) per minute. They don’t feature high head values; the average is between 20 and 40 feet (6 to 12 Meters). The propeller pump also has several distinct advantages over other pump types including high flow volumes, the ability to pump suspended silt, and a wide range of possible drive options. The fact that the impeller head is always submerged also means the pumps never have to be primed prior to use.


Axial flow pumps can be a dynamic pump option because they are can be adjusted to high pressure/low flow or low pressure/high flow settings depending on the application’s specific requirements. Commonly referred to as flexible impeller pumps due to their flexibility and adaptability, axial flow pumps save both time and operation costs. Axial flow pumps are often used to pump large quantities of clear water in dewatering, mining, and disaster recovery applications.

JEC has finally getting into the market for propeller pumps after in-depth research and development . JEC axial flow pumps are shaped like a Tee and attached to a mount which allows 180 degrees of motion in one dimension. However the pump mount can be adjusted to enable the exit nozzle to point in any direction.

By now you’ve read the incredibly in-depth article covering measured flow output of various axial flow propeller pumps. For those of you who haven’t, here’s a quick rundown. The study was conducted by dynamic director Rajesh Patel and his technical team with the main objective being to develop a method to more accurately measure flow rates of various propeller pumps. Previous methods of measurement relied heavily on equations based on propeller fin measurements and pump rotational rates to calculate the theoretical flow rate. Additional methods of flow measuring consisted of simple bag-fill tests where, as its name implies, a bag of a certain volume was filled with water from the pump being observed. The testers would note how long it took to fill the bag to volume, and the flow rates were calculated. Understanding the intense complexity of water movement and the issues with commonly used testing methods, the group of researchers set out to develop a newer and more accurate way to measure pump flow, and the results have been quite surprising.


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