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+1 786 796 0048
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+48 722 749 248
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info@soltecpumps.com

Series of Progressive Cavity Pumps & Parts

SOLTEC ® has more than 30 years of experience in the manufacturing of Progressive Cavity Pumps and Pump Systems based on the Positive Displacement Pumping Principle
PROGRESSIVE CAVITY PUMPS
  • CAPACITY 0.1 - 300 m3/h
  • PRESSURE up to 4,8 MPa
  • FLUID TEMP up to 175'C
  • FLUID VISCOSITY up to 1'000'000 CPS
OPEN HOPPER PUMPS
  • CAPACITY 0.1 - 300 m3/h
  • PRESSURE up to 4,8 MPa
  • FLUID TEMP up to 175'C
  • FLUID VISCOSITY up to 1'000'000 CPS

DOSING METERING PUMPS

  • CAPACITY 1 - 200 lit/h
  • PRESSURE up to 2,4 MPa
  • FLUID TEMP up to 175'C
  • FLUID VISCOSITY up to 200'000 CPS
SEMI SUBMERSIBLE PUMPS
  • CAPACITY 0.1 - 300 m3/h
  • PRESSURE up to 4,8 MPa
  • FLUID TEMP up to 175'C
  • FLUID VISCOSITY up to 1'000'000 CPS

Operation of Progressive Cavity Single Screw Pumps

SOLTEC ® Progressive Cavity Pumps are the type of positive displacement pumps that employs an assembly of a single-helical steel rotor and a double-helical resilient stator. Eccentric rotation of the rotor inside the stator forms fixed-size sealed cavities that move along the assembly creating pressure. The diameter and the eccentricity of the rotor are responsible for the capacity of the pump when the pitch of the rotor is responsible for potential pressure.

Design of Progressive Cavity Pumps

The design of a progressive cavity pump is engineered to provide efficient fluid transfer, handle various viscosities, and accommodate challenging fluids with suspended solids or abrasive materials.

1. Discharge Flange
2. Thru-Bolt
3. Stator
4. Pump Housing
5. Suction Flange
6. Rotor
7. Holding Band

8. Boot Seal
9. Guide Bush
10. Coupling Rod Pin
11. Coupling Rod Bush
12. Coupling Rod
13. Retaining Sleeve
14. Plug-in Shaft
15. Shaft Pin
16. Shaft Sealing

17. Sealing Plate
18. Retaining Ring
19. Lantern
20. Gear Box
21. Drive
22. Support
23. Base Plate

Samples of  Progressive Cavity Single Screw Pumps

We accomplish more then 1000 custom tailored projects every year.

Progressive Cavity Pumps SOLTEC®

  • Brand - SOLTEC
  • Pump Type - Horizontal
  • Material – Hard Steel
  • Stator Material - NBR
  • Differential Pressure - 175 psi / 1.2 MPa
  • Capacity - 265 GPM / 60 m3/h
  • Rotor Speed - 281 rpm
  • Drive Shaft Sealing - Single Mechanical
  • Drive - Gear-Motor 45 kW, explosion-proof (1EXD II BT4)

SOLTEC ®

Progressive Cavity Pumps SOLTEC®

  • Brand - SOLTEC
  • Pump type - Horizontal
  • Material - AISI 316
  • Stator Material - NBR
  • Differential pressure - 87 psi / 0.6 MPa
  • Capacity - 11 GPM / 2.5 m3/h
  • Rotor speed - 358 rpm
  • Drive Shaft Sealing - Single Mechanical
  • Drive - Gear-Motor 2.2 kW,explosion-proof (1EXD II BT4)
  • Additional open hopper & feeder
  • Dry run protection system

SOLTEC ®

Progressive Cavity Pumps SOLTEC®

Brand - SOLTEC
Pump type - Vertical
Material – AISI 304
Differential Pressure - 58 psi / 0.4 MPa
Capacity - 44 GPM / 10 m3/h
Rotor speed - 295 rpm
Drive Shaft Sealing - Single Mechanical
Drive - Gear-Motor 4 kW, 380V, IP55

SOLTEC ®

Rotor & Stator SOLTEC®

  • Brand - SOLTEC
  • Stator B.1400.W2 - elastomer NBR
  • Rotor B.1400.W2 - AISI 304
  • Maximum outlet pressure - 174 psi / 1.2 MPa
  • Capacity - 1000 GPM / 240 m3/h

SOLTEC ®

Progressive Cavity Pumps SOLTEC®

  • Brand - SOLTEC
  • Pump Type - Horizontal
  • Material – AISI 304
  • Differential Pressure - 87 psi / 0.6 MPa
  • Capacity - 13 GPM / 3 m3/h
  • Rotor Speed - 495 rpm
  • Drive Shaft Sealing - Single Mechanical
  • Motor specifications - Gear-Motor 2.2kW, 380V, IP55
  • Additional options - Mobile Frame

SOLTEC ®

Dosing Metering Pumps SOLTEC®

  • Brand - SOLTEC
  • Pump Type - Horizontal
  • Material - AISI 316
  • Stator - NBR
  • Rotor Speed - 167 - 1000 rpm
  • Differential Pressure - 87 psi / 0.6 MPa
  • Capacity - 0.1 - 0.7 GPM / 20-150 l/h
  • Drive Shaft Sealing - Single Mechanical
  • Inlet - 1/2"
  • Outlet - 1/2"
  • Drive - Motor-Variator 0.55 kW

SOLTEC ®

Advantages of Progressive Cavity Single Screw Pumps

Progressive cavity pumps offer several advantages that make them suitable for a variety of applications in different industries.
Versatile Handling of Viscous Fluids

Progressive cavity pumps are highly effective at handling fluids with a wide range of viscosities, from low to extremely high. They can move fluids that are too thick for other types of pumps, making them ideal for applications involving slurry, thick pastes, and high-viscosity liquids.

Gentle and Non-Pulsating Flow

Progressive cavity pumps provide a smooth and continuous flow of fluid without significant pulsations, ensuring a consistent flow rate and reducing the risk of shearing sensitive or delicate materials during transfer.

Solids Handling Capability

Progressive cavity pumps are designed to handle fluids with a significant amount of solids or particles. They are commonly used for pumping sludge, wastewater, and fluids with suspended solids, making them suitable for industries like wastewater treatment, mining, and food processing.

Self-Priming

Progressive cavity pumps have a self-priming capability, which means they can evacuate air and create a vacuum to draw fluid into the pump without the need for external priming methods. This feature is beneficial for ease of operation and reducing startup time.

Efficiency with Varying Pressures

These pumps are capable of providing a relatively constant flow rate even when the discharge pressure changes. This adaptability makes them useful in applications where pressure variations occur, such as dosing and metering.

Wide Range of Materials

Progressive cavity pumps are available in various materials of construction, including different types of metals and elastomers. This allows them to handle corrosive, abrasive, and chemically aggressive fluids, enhancing their applicability across industries.

FAQ about Progressive Cavity Single Screw Pumps

Progressive cavity pumps offer several advantages that make them suitable for a variety of applications in different industries.

1. What is a progressive cavity pump, and how does it work?

A progressive cavity pump is a type of positive displacement pump that operates through the interaction of a helical rotor and a stator. The rotor, a screw-like component, fits within the stator, a tube with a matching internal profile. As the rotor turns within the stator, a series of sealed cavities form and progress from the inlet to the outlet side of the pump. This action displaces fluid, creating a continuous and gentle flow. The pump's design allows it to handle a wide range of viscosities, making it suitable for transferring fluids from thin liquids to thick pastes, while its positive displacement nature ensures consistent performance even with challenging materials like abrasive slurries or highly viscous substances.

2. What are the advantages of using progressive cavity pumps?

Using progressive cavity pumps offers several advantages across industries: they excel in transferring fluids with varying viscosities, from low to high, maintaining product integrity; their gentle, non-pulsating flow is ideal for shear-sensitive materials; they handle fluids containing solids or abrasives effectively; self-priming capability streamlines operations; accurate dosing is possible for precise applications; and their adaptability spans industries such as wastewater treatment, oil and gas, and food processing.

3. Where are progressive cavity pumps commonly used across industries?

Progressive cavity pumps find wide application across diverse industries: in wastewater treatment, they handle sludge and chemicals; in the oil and gas sector, they transfer viscous crude oil and drilling mud; the food and beverage industry uses them for gentle handling of sauces and purees; mining relies on them for abrasive slurries and viscous materials; the chemical industry benefits from their ability to handle corrosive chemicals; the pulp and paper industry employs them for paper pulp and additives; marine operations utilize them for bilge water and fluids; the biogas industry employs them in handling organic waste; and the construction field relies on them for grouts, coatings, and slurries, demonstrating their versatility and essential role in various sectors.

4. How do progressive cavity pumps handle high-viscosity fluids and solids?

Progressive cavity pumps excel in handling high-viscosity fluids and solids due to their unique design: the helical rotor and stator combination creates sealed cavities that trap and progressively move the fluid or solids. As the rotor turns within the stator, the cavities decrease in size, compressing the material and generating the pressure required for movement. This design minimizes shear forces, enabling the pump to gently and efficiently handle high-viscosity fluids without compromising product quality. Additionally, the pump's design accommodates solids by preventing clogging; the cavities' self-cleaning action and minimal clearance between rotor and stator ensure effective transportation of solids-laden fluids, making progressive cavity pumps suitable for applications involving slurries and materials with suspended particles.

5. What are the main components of a progressive cavity pump?

The main components of a progressive cavity pump include a helical rotor and a stator. The rotor, resembling a screw, is a central shaft with helical threads that fit into the stator, a cylindrical tube with a matching internal profile. Together, these components create sealed cavities that progress from the pump's inlet to outlet side as the rotor turns within the stator. Other essential elements include bearings that support the rotor's rotation, shaft seals to prevent fluid leakage along the shaft, inlet and outlet ports for fluid entry and exit, a drive mechanism often in the form of an electric motor, and a coupling connecting the drive to the pump's shaft. These components collectively facilitate the pump's positive displacement action and efficient transfer of fluids, while additional features like a hopper and feed screw can aid in pumping solids or viscous materials.

6. How do you select the right progressive cavity pump for a specific application?

Selecting the right progressive cavity pump for a specific application involves considering key factors such as the nature of the pumped fluid, its viscosity, solids content, corrosiveness, temperature, flow rate, and pressure requirements. Evaluating the pump's material compatibility with the fluid is essential to ensure durability. Additionally, assessing the need for special features like hopper feeding or explosion-proof designs, along with the space available for installation, helps tailor the pump to the application's unique demands. Collaborating with pump manufacturers or experts to analyze these parameters aids in choosing the appropriate pump size, configuration, and materials that best match the requirements of the intended application, ultimately optimizing performance and efficiency.

7. What maintenance and servicing are required for progressive cavity pumps?

Maintenance and servicing for progressive cavity pumps include regular inspection of rotor and stator wear, replacement of components when necessary, and lubrication of bearings and seals. Cleaning and flushing of the pump to prevent buildup and clogging are vital, particularly when handling solids or abrasive materials. Monitoring shaft seals and checking for leakage helps maintain pump efficiency. Ensuring proper alignment and tension of belts, if applicable, contributes to smooth operation. Additionally, adhering to manufacturer-recommended maintenance schedules, training personnel on proper operation, and addressing any issues promptly are essential practices to extend pump lifespan and sustain optimal performance.

8. Can progressive cavity pumps handle corrosive or abrasive fluids?

Yes, progressive cavity pumps are capable of handling both corrosive and abrasive fluids due to their unique design. The close tolerances between the rotor and stator prevent contact between the pumped fluid and the pump's metal components, reducing the risk of corrosion. Additionally, the gentle and consistent flow provided by progressive cavity pumps minimizes the impact of abrasive particles on the pump's internal surfaces. By selecting appropriate materials for the rotor, stator, and other components, and ensuring proper maintenance practices, progressive cavity pumps can effectively handle fluids with corrosive properties and abrasive content, making them suitable for applications in industries such as chemical processing, mining, and wastewater treatment.

9. What is the efficiency and energy consumption of progressive cavity pumps?

The efficiency of progressive cavity pumps can vary based on factors such as fluid viscosity, pressure requirements, and pump design. Generally, these pumps offer high volumetric efficiency and consistent flow, making them well-suited for applications requiring accurate dosing and handling of shear-sensitive materials. However, their efficiency can decrease at lower speeds or when handling highly viscous fluids. Energy consumption is influenced by the pump's size, speed, and operating conditions. While progressive cavity pumps may require more energy than some other pump types due to their positive displacement nature, they excel in handling challenging fluids, ultimately contributing to efficient and reliable fluid transfer in a wide range of industries.

10. How does the choice of materials impact the performance of progressive cavity pumps?

The choice of materials significantly impacts the performance of progressive cavity pumps. The compatibility of materials with the pumped fluid determines factors such as corrosion resistance, wear resistance, and overall durability. Using the right materials ensures that the pump can handle corrosive chemicals without degradation or contamination, and it can transfer abrasive fluids without excessive wear on the rotor and stator. Material selection also influences the pump's ability to handle different temperature ranges and maintain its efficiency over time. Additionally, proper material choices prevent reactions that could alter the fluid's properties and negatively affect pump performance. By selecting materials that align with the specific characteristics of the pumped fluid, the pump can deliver reliable and efficient performance while extending its operational lifespan.

About US

Overview of our company's history, values, and mission.
  • SOLTEC ® International Sales Office (USA)

Address: Miami, Florida

Hot Line:+1 786 796 0048

_______________________________________________

  • SOLTEC ® International Sales Office (Europe)

Address: LUBLIN, Poland

WhatsApp: +48 722 749 248

Email: info@soltecpumps.com

GET IN TOUCH
Company Story

SOLTEC® originated in 1991 as a family-owned company with a unique focus on the potential applications of Progressive Cavity Pumps technology. The company's initial formation was as a laboratory dedicated to researching the viability of using Progressive Cavity Pumps in the aerospace industry for the precise conveyance of fuel components. This marked the inception of SOLTEC®'s journey, where the exploration of innovative solutions began.

As time progressed, SOLTEC® transitioned from its experimental beginnings into a significant player in the manufacturing landscape. The company expanded its horizons beyond the aerospace industry and evolved into a prominent manufacturer of Progressive Cavity Pumps and Parts. With a comprehensive understanding of the technology's capabilities, SOLTEC® broadened its reach to serve a diverse array of industries, becoming a reliable provider for a wide spectrum of applications. Today, the company stands as a testament to the evolution of vision into reality, offering quality solutions that span across multiple sectors.

Manufacturing Capabilities
SOLTEC® pays special attention to the development and implementation of cutting-edge technologies into each product while maintaining a classical approach to lean manufacturing, which is the foundation of the company's success. To meet the highest customer requirements, SOLTEC® possesses all the necessary technical capabilities and a team of specialized experts:

5,000+ square meters of production area
300+ square meters of laboratories
600+ square meters of office space
100+ employees
10+ certified engineers

Annual production volume:

6,000+ screw pumps per year
70,000+ stators per year
70,000+ rotors per year

Shipment and Support
SOLTEC®'s main manufacturing facilities are strategically located in both Europe and Asia, a deliberate choice that bestows the company with remarkable efficiency and adaptability in both production and global product distribution. This geographic advantage allows SOLTEC® to effectively serve customers across the world by ensuring seamless production processes and efficient shipment to various destinations.

In addition, SOLTEC® boasts an extensive network of branches and representatives spanning Europe, Asia, Africa, North and South America. This expansive presence empowers the company to provide customers with an unparalleled level of support, catering to their needs on a local and global scale.
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