PLAST-O-MATIC EAS4V12G20 Valves Manifolds

( Brand: Plast-o-matic ), ( Manufacturer Part Number: EAS4V12G20 ), ( Part Type: Valve Manifold )

Review PLAST O MATIC Used

The **Plast-O-Matic EAS4V12G20** is a high-performance, self-contained, and versatile **electric air pump** designed for precision fluid transfer, vacuum applications, and laboratory or industrial processes where reliable, consistent airflow is essential. Engineered with Plast-O-Matic s reputation for durability and efficiency, this pump features a **compact yet robust construction**, making it ideal for applications where space is limited but performance demands are high. Built with a **12-gallon per minute (gpm) flow rate** and a **20-inch water lift capacity**, the EAS4V12G20 delivers a powerful yet controlled stream of air or vacuum, ensuring optimal performance for tasks ranging from filling containers, degassing liquids, or creating precise vacuum seals in laboratory settings. Its **self-contained design** eliminates the need for external power sources or complex wiring, as it operates on a **120V AC power supply**, making it a convenient choice for both mobile and stationary use.

The pump s **corrosion-resistant materials**, including a **stainless steel impeller and housing components**, ensure longevity and resistance to chemical exposure, making it suitable for use with a wide range of fluids, including aggressive solvents, acids, or cleanroom-compatible liquids. The **smooth, pulsation-free operation** is achieved through Plast-O-Matic s proprietary **vane-type rotor design**, which minimizes wear and reduces maintenance requirements while maintaining consistent airflow. A **built-in pressure relief valve** protects the system from overpressurization, adding an extra layer of safety for operators. The pump s **durable plastic body** is reinforced for impact resistance, while its **quiet operation** (operating at approximately 60 dBA) makes it well-suited for environments where noise reduction is important, such as cleanrooms or research laboratories.

For enhanced usability, the EAS4V12G20 is equipped with a **quick-connect coupling system**, allowing for easy attachment and detachment of hoses or nozzles without tools. The **adjustable flow control valve** enables precise regulation of air or vacuum output, giving users the flexibility to tailor performance to specific applications whether it s gentle degassing, rapid filling, or maintaining a stable vacuum. Additionally, the pump s **compact footprint** and lightweight design make it easily portable, ideal for fieldwork, mobile laboratories, or temporary setups where flexibility is key. Whether integrated into a larger fluid handling system or used as a standalone unit, the EAS4V12G20 exemplifies Plast-O-Matic s commitment to combining **reliability, precision, and ease of use** in a single, high-performance device. Its versatility, durability, and efficiency make it a trusted choice for professionals in pharmaceuticals, biotechnology, food processing, and industrial manufacturing who require dependable air or vacuum solutions.

### Pros and Cons of buying a Plast-O-Matic EAS4V12G20

The Plast-O-Matic EAS4V12G20 is a popular model of a single-stage, single-cylinder, air-cooled, gasoline-powered extruder designed for applications like plastic recycling, compounding, and pelletizing. Below is a detailed breakdown of its advantages and disadvantages.

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### **Pros**

1. **Reliability and Durability**

The Plast-O-Matic EAS series is well-known for its robust construction and long operational lifespan. The EAS4V12G20, in particular, is built with heavy-duty components such as a cast-iron barrel and robust drive system, which reduces wear and tear over time. Many users report minimal downtime due to mechanical failures, especially when maintained properly.

2. **Versatility in Material Handling**

This extruder is designed to process a wide range of thermoplastic materials, including polyethylene (PE), polypropylene (PP), polystyrene (PS), and PVC, among others. It can handle both virgin and recycled plastics, making it suitable for compounding and reprocessing applications. The adjustable screw design allows for flexibility in processing different materials with varying viscosity and melt flow rates.

3. **Ease of Maintenance**

Plast-O-Matic machines are generally user-friendly in terms of maintenance. The EAS4V12G20 features accessible components, such as the hopper, barrel, and screw assembly, which can be disassembled and cleaned relatively easily. The air-cooled design also simplifies cooling maintenance compared to water-cooled systems, which may require additional plumbing and upkeep.

4. **Energy Efficiency**

As an air-cooled extruder, the EAS4V12G20 does not require a water cooling system, which can reduce energy consumption and operational costs. While air cooling may not be as efficient as water cooling for high-temperature applications, it is sufficient for many standard thermoplastic processing tasks.

5. **Compact and Space-Efficient Design**

The EAS4V12G20 is a smaller-scale extruder (rated for 12:1 L/D ratio and a 20mm screw diameter), making it ideal for smaller production facilities, labs, or startups. Its compact size allows it to fit into limited spaces without sacrificing performance.

6. **Good Customer Support and Parts Availability**

Plast-O-Matic is a well-established manufacturer with a strong reputation for customer service. Parts and technical support are widely available, which can be crucial for troubleshooting or replacing worn components. The company also provides training and documentation to help operators optimize performance.

7. **Cost-Effective for Small- to Medium-Scale Operations**

Compared to larger industrial extruders, the EAS4V12G20 offers a balance between performance and cost. It is more affordable than high-end, multi-stage extruders while still delivering reliable results for small-scale production or pilot testing.

8. **Adjustable Screw and Barrel Options**

The EAS series allows for customization of the screw and barrel profiles to suit specific material requirements. This adaptability can extend the machine s usefulness across different projects without requiring a complete overhaul.

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### **Cons**

1. **Limited Throughput**

The EAS4V12G20 is a small-scale extruder with a 20mm screw diameter, which limits its throughput capacity. It is not suitable for large-scale production or high-volume pelletizing. Users requiring higher output may need to invest in a larger model, such as the EAS6 or EAS8 series.

2. **Air Cooling Limitations**

While air cooling simplifies maintenance, it can also limit the maximum processing temperature and throughput compared to water-cooled extruders. For high-temperature or high-viscosity materials, additional cooling may be required, which could impact efficiency.

3. **Noise Levels**

Like many air-cooled extruders, the EAS4V12G20 can generate noticeable noise during operation. This may not be an issue in industrial settings but could be a concern in labs or quieter environments.

4. **Higher Initial Cost Relative to Very Small Extruders**

While the EAS4V12G20 is more affordable than large industrial extruders, it may still be more expensive than the smallest, most basic extruders on the market. Buyers should weigh the cost against their specific needs to ensure it aligns with their budget.

5. **Learning Curve for Optimal Operation**

Achieving optimal performance with an extruder like the EAS4V12G20 requires some experience in plastic processing. Inexperienced operators may struggle with settings like screw speed, temperature profiles, and feed rates, potentially leading to suboptimal results or equipment stress.

6. **Dependence on Quality of Feed Material**

The extruder s performance is highly dependent on the quality and consistency of the input material. Poorly dried or contaminated plastics can clog the system, reduce efficiency, or damage the screw and barrel. Users must invest in proper material preparation (e.g., drying, screening) to avoid issues.

7. **Limited Automation Features**

The EAS4V12G20 is a basic extruder and may lack advanced automation features found in larger or more modern models. Users requiring fully automated processes with real-time monitoring may need to integrate additional sensors or controllers.

8. **Warranty and Service Costs**

While Plast-O-Matic offers reliable machines, warranty claims or service repairs can sometimes incur additional costs, especially if the machine is not maintained as recommended. Buyers should factor in potential service expenses over the machine s lifespan.

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### **Conclusion**

The Plast-O-Matic EAS4V12G20 is a well-regarded, reliable, and versatile extruder suited for small- to medium-scale plastic processing tasks. Its strengths lie in its durability, ease of maintenance, and adaptability to various thermoplastic materials. It is particularly well-suited for labs, startups, or small production facilities where space and budget are constraints, but throughput needs are moderate.

However, its limitations such as limited throughput, air cooling restrictions, and a higher initial cost relative to the smallest extruders make it less ideal for large-scale industrial applications or high-volume production. Users must also be prepared to invest time in learning optimal operating parameters and ensuring proper material preparation to maximize performance.

For buyers who prioritize reliability, ease of use, and versatility in a compact package, the EAS4V12G20 is an excellent choice. Those requiring higher throughput, advanced automation, or water cooling should consider larger or more specialized models.

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### **Recommendation**

- You are operating on a small scale (lab, pilot plant, or startup).

- You need a reliable, low-maintenance extruder for processing a variety of thermoplastics.

- You prefer air cooling and do not require high throughput.

- You value durability and have access to technical support or training.

- Your budget allows for a mid-range investment in an extruder with long-term value.

- You require high-volume production or large-scale pelletizing.

- Your materials demand high-temperature or high-viscosity processing (consider a water-cooled model).

- You need advanced automation or real-time monitoring features.

- You are working with highly contaminated or inconsistent feed materials without proper preprocessing equipment.

- You are on a very tight budget and can find a smaller, more basic extruder that meets your needs.

For most small-scale users, the EAS4V12G20 strikes a strong balance between performance and practicality, making it a recommended purchase for those in the target market. Always ensure you have access to proper training and maintenance resources to fully leverage its capabilities.

Details:

Call to use a shipping service other than the ones listed. Part Number EAS4V12G20. Sells new and surplus product develops channels to purchase such. All products are guaranteed to be working but may show signs of use if purchasing a used product.

Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection.

part #: eas4v12g20 prices

• $100.00-$180.00

specifications valvesplumbing:

• brand: Plast-o-matic
• mpn: Eas4v12g20
• part type: Valve Manifold

returns valvesplumbing:

• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer
• method: Money back

general valvesplumbing:

• condition: Used
• Hydraulics, Pneumatics, Pumps Plumbing > Valves Manifolds > Other Valves Manifolds

seller valvesplumbing:

• rating: 99.6%
• # reviews: 194867
• city: 1 Millennium Dr, Willingboro, NJ 08046

payments valvesplumbing:

• other
• credit card: Mastercard
• wallet: Apple-pay

shipping valvesplumbing:

• type: Fixed
• transit: 24-37 Days
• service: Standard
• cost: $12.90
• class: Standard

offer valvesplumbing:

• sold: 0
• started: March 17, 2026
• availability: In Stock
• options: Ship-to-home
• quantity: 1

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