1. Valves And Flow Controls Industrial Automation Control For Sale
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  3. MOYNO 2L8-CDQ

MOYNO 2L8-CDQ Progressive Cavity Pump Uspm

2l8-cdq Moyno Progressive Cavity Pump 4 Inch X Rebuilt Uspm Surplus

( Brand: Moyno ), ( Manufacturer Part Number: 2L8-CDQ ), ( Part Type: Pump ), ( Inlet Diameter: 4 In ), ( Country Of Origin: United States )

Review MOYNO Progressive Cavity Pump Inch Rebuilt Uspm Surplus

The **Moyno 2L8-CDQ Progressive Cavity Pump** is a high-performance, versatile industrial pump designed for demanding applications requiring precise fluid handling, exceptional reliability, and minimal maintenance. Part of Moyno s renowned **USPM (Ultra-Smooth Performance Motor)** series, this pump combines advanced engineering with robust construction to deliver consistent, pulsation-free flow across a wide range of viscosities, from thin liquids to highly viscous slurries and pastes. Engineered with a **single-screw progressive cavity design**, the 2L8-CDQ ensures smooth, non-pulsating flow by maintaining a continuous, helical cavity between the rotor and stator, eliminating the need for valves or check mechanisms that can wear over time. This design principle not only enhances efficiency but also significantly reduces wear and tear, extending the pump s operational lifespan while maintaining optimal performance under continuous or intermittent duty cycles.

The **CDQ variant** of this pump is specifically optimized for **corrosive, abrasive, or chemically aggressive fluids**, making it an ideal choice for industries such as chemical processing, wastewater treatment, mining, food and beverage, and pharmaceutical manufacturing. Its **stainless steel construction**, including a **316L or duplex stainless steel shaft and rotor**, along with a **fluoropolymer or elastomeric stator**, provides superior resistance to corrosion, scaling, and chemical degradation, ensuring durability even in harsh environments. The pump s **sealless design** utilizing a **mechanical seal or magnetic drive option** eliminates the risk of fluid leakage while reducing the potential for contamination, making it compliant with stringent hygiene and safety standards in industries where cleanliness and containment are critical.

One of the standout features of the **USPM motor** integrated into the 2L8-CDQ is its **energy-efficient, high-torque performance**, which allows the pump to handle high-viscosity fluids with minimal power consumption while maintaining consistent flow rates. The motor s **smooth operation** reduces mechanical stress on the pump components, further enhancing reliability and reducing downtime. The pump s **adjustable discharge head** and **variable speed capabilities** (when paired with a compatible drive system) provide operators with precise control over flow rates, making it adaptable to a variety of process requirements, from low-pressure transfer applications to high-pressure metering tasks. Additionally, the **modular design** of the 2L8-CDQ allows for easy maintenance and component replacement, with quick-access features that simplify servicing without requiring extensive disassembly.

Safety and operational flexibility are further enhanced by the pump s **built-in suction and discharge ports**, which accommodate a range of pipe sizes and fittings, ensuring compatibility with existing piping systems. The **self-priming capability** of the progressive cavity design means the pump can handle air entrainment and low-level suction without losing prime, a feature that is particularly valuable in applications where fluid levels may fluctuate. For environments where hygiene is paramount, the **sanitary versions** of the 2L8-CDQ are available, featuring **polished surfaces, smooth transitions, and easy-to-clean designs**, making them suitable for food, beverage, and pharmaceutical applications where cross-contamination must be avoided.

Whether deployed in **chemical processing plants** for handling thick resins or slurries, **wastewater treatment facilities** for sludge transfer, or **food production lines** for viscous sauces and syrups, the **Moyno 2L8-CDQ USPM pump** delivers unmatched versatility, efficiency, and durability. Its **low-maintenance operation**, combined with its ability to handle a broad spectrum of fluids from water-like liquids to highly abrasive pastes makes it a cost-effective solution for industries seeking a reliable, long-term investment in fluid handling technology. With Moyno s reputation for innovation and quality, this pump stands as a testament to engineering excellence, providing operators with a dependable tool for even the most challenging fluid transfer applications.

**Pros and Cons of buying a Moyno 2L8-CDQ Progressive Cavity Pump (USPM)**

### **Pros**

1. **High Efficiency and Flow Rate** The Moyno 2L8-CDQ is designed for heavy-duty applications, offering consistent flow rates even with viscous or abrasive fluids. Its progressive cavity design ensures smooth, pulsation-free pumping, which is ideal for industries like wastewater treatment, mining, and chemical processing.

2. **Durability and Reliability** Moyno pumps are known for their robust construction, featuring corrosion-resistant materials (such as stainless steel or elastomers) and reinforced casings. This makes them suitable for harsh environments where wear and tear are common.

3. **Versatility in Fluid Handling** The pump can handle a wide range of fluids, including slurries, chemicals, and high-viscosity liquids, without clogging. Its self-priming capability reduces downtime by eliminating the need for manual priming in many applications.

4. **Low Maintenance Requirements** Compared to centrifugal pumps, progressive cavity pumps like this model often require less frequent maintenance due to fewer moving parts and a simpler internal design. The rotor-stator assembly is designed for longevity, reducing the need for frequent replacements.

5. **Energy Efficiency** Progressive cavity pumps are generally more energy-efficient than traditional positive displacement pumps for viscous fluids, as they operate at lower speeds and generate less heat.

6. **Back-Pull-Out Design** The Moyno 2L8-CDQ features a back-pull-out design, allowing for easy access to internal components without disassembling the entire pump. This simplifies maintenance and repair processes.

7. **Wide Application Range** The pump is suitable for various industries, including:

- **Wastewater treatment** (sewage, sludge, screenings)

- **Mining** (tailings, slurry, ore processing)

- **Chemical processing** (acids, bases, viscous chemicals)

- **Oil and gas** (drilling muds, emulsions)

- **Food and beverage** (pasteurized liquids, syrups)

8. **Customization Options** Moyno offers various configurations for impellers, seals, and materials, allowing users to tailor the pump to specific fluid properties and operational requirements.

9. **Proven Track Record** Moyno is a well-established brand with decades of experience in progressive cavity pump technology, ensuring reliability and support from authorized dealers and service centers.

10. **Quiet Operation** The smooth, continuous flow of progressive cavity pumps results in lower noise levels compared to reciprocating or centrifugal pumps, which can be advantageous in noise-sensitive environments.

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### **Cons**

1. **Higher Initial Cost** Progressive cavity pumps like the Moyno 2L8-CDQ are generally more expensive upfront compared to centrifugal or submersible pumps. The premium price reflects their advanced design and durability.

2. **Limited Flow Rates for Low-Viscosity Fluids** While excellent for viscous or abrasive fluids, progressive cavity pumps may not be as efficient for low-viscosity liquids (e.g., water or thin chemicals). In such cases, a centrifugal pump might be a more cost-effective alternative.

3. **Sensitivity to Solids** Although designed to handle slurries, the pump s performance can degrade if exposed to large or sharp solids that damage the rotor-stator assembly. Proper screening or pre-filtration may be required.

4. **Higher Pressure Limitations** Compared to some other positive displacement pumps (e.g., gear pumps), progressive cavity pumps may have lower maximum pressure ratings, limiting their use in high-pressure applications.

5. **Specialized Maintenance Skills** While maintenance is relatively straightforward, repairing or replacing internal components (such as the rotor-stator assembly) may require specialized training or certified technicians, increasing operational costs.

6. **Space Requirements** The pump s robust construction and mounting needs may require more installation space compared to smaller centrifugal or submersible pumps.

7. **Potential for Leakage** Depending on the seal configuration and fluid properties, there is a risk of leakage around shaft seals or packing, which may necessitate regular inspections and maintenance.

8. **Limited Availability of Spare Parts** While Moyno is a reputable brand, some specialized components (e.g., custom elastomers or rotor-stator assemblies) may have longer lead times or higher costs if not readily available.

9. **Not Ideal for High-Speed Applications** Progressive cavity pumps operate at lower speeds, which can be a drawback in applications requiring rapid fluid movement or high throughput in low-viscosity scenarios.

10. **Potential for Clogging with Fibrous Materials** Fibrous or stringy materials can wrap around the rotor or stator, leading to reduced efficiency or pump failure. Pre-treatment of the fluid may be necessary in such cases.

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### **Conclusion**

The **Moyno 2L8-CDQ Progressive Cavity Pump (USPM)** is an excellent choice for industries requiring reliable, high-efficiency pumping of viscous, abrasive, or slurry-like fluids. Its durability, low maintenance needs, and versatility make it a strong investment for applications such as wastewater treatment, mining, and chemical processing. However, its higher upfront cost, sensitivity to solids, and limitations with low-viscosity fluids may make it less suitable for applications where simpler or more cost-effective pumps would suffice.

For users in industries where **consistent flow, abrasion resistance, and minimal maintenance** are critical, the Moyno 2L8-CDQ is a robust and dependable option. Conversely, those handling **low-viscosity fluids, high-pressure applications, or requiring ultra-high flow rates** may find alternative pump technologies (e.g., centrifugal or gear pumps) more economical or better suited.

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### **Recommendation**

**Buy the Moyno 2L8-CDQ if:**

- You are operating in an industry (e.g., wastewater, mining, chemicals) where the pump s ability to handle viscous, abrasive, or slurry fluids is essential.

- Your application requires **low maintenance, smooth operation, and long-term reliability**.

- You prioritize **durability and efficiency** over initial cost savings.

- You have access to **proper maintenance and spare parts support** from an authorized Moyno dealer.

**Consider an alternative pump if:**

- Your fluid is **low-viscosity** (e.g., water, thin chemicals), as a centrifugal or diaphragm pump may be more efficient.

- Your budget is **constrained**, and you can tolerate slightly higher maintenance or lower durability.

- Your application involves **high-pressure requirements** or **extreme speeds**, where other positive displacement pumps may perform better.

- You lack **specialized maintenance expertise** or access to Moyno-certified service providers.

For most heavy-duty, high-viscosity applications, the **Moyno 2L8-CDQ is a sound investment** that will deliver long-term performance and cost savings through reduced downtime and maintenance. However, conduct a thorough cost-benefit analysis and consult with a pump specialist to ensure it aligns with your specific operational needs.

Details:

Condition: This pump was rebuilt and prepared as a spare for mill operations but never put back into service before the process change. Chemical transfer. Wastewater treatment plants. Inlet: 4 inch.

Mount: Horizontal. Applications: Ideal for: Pulp paper stock transfer. Industrial viscous fluid handling. It has been stored in doors on pallet's in a clean industrial environment.

Polymer and slurry pumping. Progressive cavity pumps like this are widely used in pulp paper, wastewater treatment, sludge transfer, polymer dosing, and other viscous fluid applications. Drive: Shaft driven motor/gearbox not included. Model: 2L8-CDQ.

Sludge pumping. Keywords: paper mill surplus, industrial surplus equipment, mill maintenance parts, process factory. See photos for complete condition and configuration. Seal Type: Double Mechanical.

Specifications: Manufacturer: Moyno. Moyno 2L8-CDQ Progressive Cavity Pump Rebuilt 4 x Connections. Outlet: 4 inch. Industrial Moyno progressive cavity pump assembly.

Pump Type:Progressive Cavity.

part #: 2l8 prices

  • $899.99-$6749.99

specifications valvplu:

  • brand: Moyno
  • mpn: 2l8-cdq
  • part type: Pump
  • inlet diameter: 4 In
  • country of origin: United States

payments valvplu:

  • other
  • credit card: Diners-club
  • wallet: Apple-pay

seller valvplu:

  • rating: 0.0%
  • # reviews: 0
  • city: Chillicothe, Ohio

general valvplu:

  • Pumps Pump Accessories > Vacuum Pumps > Progressive Cavity Pumps
  • condition: Seller refurbished

offer valvplu:

  • sold: 0
  • options: Ship-to-home
  • started: March 12, 2026
  • best offers: True
  • availability: In Stock
  • quantity: 1

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  • policy: No Returns

shipping valvplu:

part type: pump, inlet diameter: 4 in, country of origin: united states,
category: business & industrial > pumps pump accessories > vacuum pumps > progressive cavity pumps, sku: 11710596439957604,
Moyno 2L8 Is Similar To:
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2 offers $899.99–$6749.99 USD
  • Used. Offer #1 priced at $6749.99 + $Calculated shipping estimate = $6749.99* total. Was removed from a mixing tank Model SSQ.+$Calculated shipping
  • New – Open box. Offer #2 priced at $899.99 + $103.05 shipping estimate = $1003.04* total. Pallet Racking Part Number 2LL8-21BS / 2LL8 PC / / AP1775300Y.+$103.05 shipping

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