Types Of Progressive Cavity Screw Mono Pumps

What is a Progressive Cavity Screw Mono Pump?

Progressive cavity screw pumps, often referred to as mono pumps, are a type of positive displacement pump known for their versatility and efficiency in handling various fluids across multiple industries. These pumps operate on a unique principle that sets them apart from other pump types.

Types of Pumps: Before diving into the specifics of a progressive cavity screw pump, let’s briefly explore the world of pumps. There are numerous types of pumps, each designed for specific applications. These include centrifugal pumps, diaphragm pumps, piston pumps, and positive displacement pumps, to name a few.

Positive Displacement Pumps: Progressive cavity mono pumps belong to the positive displacement pump category. Unlike centrifugal pumps that rely on kinetic energy to move fluids, positive displacement pumps operate by trapping and displacing a fixed amount of fluid with each cycle of operation. This makes them particularly suitable for applications requiring a consistent flow rate and precise metering.

Mono Progressive Cavity Pump: A mono pump, short for “progressive cavity screw mono pump,” consists of a helical rotor (the screw) that rotates inside a stator (a cavity). As the rotor turns, it creates cavities that move axially along the pump, drawing in and conveying the fluid. This design allows for a steady, non-pulsating flow of fluid, making it ideal for applications that demand accurate dosing and gentle handling of shear-sensitive materials.

Advantages of a Mono Pump:

Mono pumps offer several advantages that make them a preferred choice in various industries:

  1. Versatility: These pumps can handle a wide range of fluids, from thick, viscous materials like sludge and sewage to delicate and shear-sensitive substances such as food products and pharmaceuticals.
  2. Consistent Flow: The positive displacement action of mono pumps ensures a constant flow rate, regardless of changes in system pressure or viscosity, making them suitable for dosing and metering applications.
  3. Self-Priming: Mono pumps are typically self-priming, meaning they can draw fluid into the pump without the need for additional priming.
  4. Low Maintenance: These pumps have a relatively simple design with few moving parts, resulting in reduced maintenance and longer service life.
  5. Reversible: In some configurations, mono pumps can be reversed, enabling them to flush lines or handle bidirectional flows.

In summary, a progressive cavity screw pump, or simply a mono pump, is a positive displacement pump with a helical rotor and stator that excels in providing a consistent flow of various fluids. Its versatility, reliability, and low-maintenance nature make it a valuable asset in industries ranging from wastewater treatment to food processing. Whether you need precise dosing or efficient transfer of viscous materials, a mono pump could be the solution you’re looking for.

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Trouble-free operation temperature values -30 C° up to 250 C°

It works silently and without vibration, it can work without any problems in open or closed areas by providing suitable conditions.

With different versions, it offers either portable or fixed mounting.

Monopump (positive displacement pump), It is used to transfer fluid and semi-fluid products with high viscosity values. It does not unmake the properties of the transferred liquid, and ensures the transfer of products without problems such as foaming, separation and fragmentation.

Working different capacity and pressure such as 5 liter /hour and 200 m3/ hour @0-24 bar pumps in the range are produced in our company.


It provides an advantage in difficult areas where assembly is required with its suction feature, Max 8 meters.

It provides continuous liquid transfer without fluctuations and gaps in sensitive liquid transfer. Since the sensitive product transfer, it provides dosing and ratio control. It works linearly with the flowrate measuring system.

0 – 100 Hz with motor frequency controller (Inverter) it provides trouble-free operation with suitable conditions in the range.


As indicated in the cross-sectional picture, part number 1 is called ROTOR and part number 2 is called STATOR.

The rotor shaft moves 360° inside the stator body with the motion it receives from the electric motor.

The product inside the pump is transported to the cavities with the vacuum and compression created by this movement.

Thus, the transferred product is transferred to the outlet pipeline under pressure.

Since the stator has a rubber structure, it is resistant to stretching and deformation.


Types Of

These pumps with record connection are preferred in the dairy products, food, beverage and beverage sector, and their fast connection capability is among the reasons for preference. It is a product designed for clean and healthy product transfer. It becomes a solution partner for many sectors with the advantages it provides to its users.

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