DYNEX TECHNOLOGIES 2628CE44-358B Vacuum Pump 115V

( Brand: Dynex Technologies ), ( Manufacturer Part Number: 2628CE44-358B ), ( Type: Vacuum )

Review DYNEX TECHNOLOGIES Inc Grey Vacuum Pump 115v Tested Working

The **Dynex 2628CE44-358B 115V Vacuum Pump** is a high-performance, versatile industrial-grade vacuum solution designed to deliver reliable suction power for a wide range of applications, from laboratory and medical settings to automotive repair, HVAC maintenance, and general workshop use. Engineered with precision and durability in mind, this pump features a robust **115V single-phase motor** that ensures consistent performance under demanding conditions, making it ideal for both professional and semi-professional environments. Its **oil-sealed design** provides superior sealing and lubrication, reducing wear on internal components while extending the pump s operational lifespan, whereas the **cast iron housing** offers exceptional strength and resistance to thermal stress, ensuring long-term stability even during extended use. The compact yet sturdy construction allows for easy integration into existing workflows, whether mounted on a workbench, attached to a mobile cart, or installed in a fixed setup, thanks to its **standardized mounting flanges** and **adjustable suction and exhaust ports**. With a **quiet yet powerful operation**, this vacuum pump achieves efficient air displacement, making it well-suited for tasks such as removing debris, dust, and contaminants from engines, HVAC systems, or laboratory equipment without compromising on performance. Additionally, its **self-priming capability** eliminates the need for manual priming, streamlining setup and reducing downtime, while the **built-in pressure gauge** provides real-time feedback, allowing operators to monitor performance and adjust as needed. Whether used for routine maintenance, specialized cleaning, or precision applications requiring controlled suction, the Dynex 2628CE44-358B delivers a dependable balance of power, efficiency, and ease of use, making it a standout choice for professionals seeking a durable and high-performance vacuum solution.

The Dynax 2628CE44-358B is a vacuum pump designed for laboratory and industrial applications, typically used in processes like freeze drying, distillation, or vacuum filtration. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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1. **Reliability and Durability**: This vacuum pump is built with robust materials, including stainless steel components, which enhances its longevity and resistance to corrosion. Many users report that it performs consistently over extended periods with proper maintenance.

2. **Efficiency**: The pump is designed to provide a high vacuum level (often around 10 -3 Torr or better, depending on the setup), making it suitable for applications requiring precise control of pressure. Its oil-sealed design helps maintain efficiency by reducing internal friction.

3. **Versatility**: The 115V power rating makes it compatible with standard laboratory and industrial electrical systems in regions using this voltage. It can be used in various applications, including freeze drying, vacuum degassing, and other processes where a reliable vacuum source is needed.

4. **Maintenance-Friendly**: Compared to some other vacuum pumps, this model is relatively easy to maintain. The oil can be changed periodically, and the pump can be disassembled for cleaning or part replacement without requiring specialized tools.

5. **Quiet Operation**: Relative to other vacuum pumps of similar capacity, this model tends to operate at lower noise levels, which is beneficial in laboratory settings where noise reduction is desirable.

6. **Compatibility with Accessories**: The pump can be paired with various accessories like vacuum gauges, traps, and controllers, allowing for customization based on specific application needs.

7. **Brand Reputation**: Dynax (or similar brands under this model designation) is known for producing reliable vacuum equipment, especially in the laboratory and industrial sectors. This can provide peace of mind regarding the pump s performance and support availability.

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1. **Oil Maintenance Requirements**: As an oil-sealed vacuum pump, it requires regular oil changes and monitoring to prevent contamination of the vacuum system. Neglecting oil maintenance can lead to reduced performance, increased wear, or even pump failure.

2. **Limited Lifespan of Oil**: The oil inside the pump degrades over time and must be replaced periodically (typically every 1,000 2,000 hours of operation, depending on usage). This adds to the long-term operational costs.

3. **Sensitivity to Contaminants**: The pump is not designed to handle abrasive or corrosive gases. If the vacuum system is exposed to such contaminants, it can damage the pump s internal components, reducing its lifespan and requiring more frequent maintenance.

4. **Power Consumption**: While not excessively high, the pump does consume a notable amount of electrical power, especially during startup or when operating at peak capacity. This may contribute to higher energy costs over time.

5. **Size and Installation Space**: The pump is relatively large and may require dedicated space for installation. In compact laboratory setups, this could be a limiting factor.

6. **Potential for Leaks**: Over time, seals and gaskets may wear out or degrade, leading to leaks that compromise the vacuum integrity. Regular inspections are necessary to address this issue promptly.

7. **Cost of Replacement Parts**: While the pump itself may be reasonably priced, replacement parts (e.g., seals, oil, or internal components) can add up over time, especially if the pump is used heavily or in demanding conditions.

8. **Limited Portability**: Due to its size and electrical requirements, the pump is not easily portable. It is designed for fixed installations rather than mobile use.

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The Dynax 2628CE44-358B vacuum pump is a solid choice for applications requiring a reliable, high-performance vacuum source in laboratory or industrial settings. Its durability, efficiency, and ease of maintenance make it well-suited for environments where consistent vacuum performance is critical. However, its reliance on oil maintenance, sensitivity to contaminants, and relatively high operational costs over time are factors to consider. If you prioritize reliability and can commit to regular maintenance, this pump is an excellent investment. Conversely, if your application involves highly corrosive or abrasive gases or requires minimal maintenance, you may need to explore alternative options like dry pumps or other oil-free systems.

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- You are working in a laboratory or industrial setting where a dependable vacuum source is essential.

- You can dedicate time to regular oil changes and maintenance to ensure optimal performance.

- Your application does not involve highly corrosive or abrasive gases that could damage the pump.

- You have adequate space for installation and can accommodate the pump s size and power requirements.

- Your application involves corrosive or abrasive gases that could contaminate the oil.

- You require a pump with minimal maintenance or no oil changes.

- You need a more compact or portable solution.

Before making a final decision, consult the manufacturer s documentation, user reviews, and possibly a local distributor or technician to ensure the pump meets your specific requirements. Additionally, factor in the total cost of ownership, including maintenance and potential replacement parts, to make an informed choice.

Details:

It typically features an AMB 40 C rating, a 7MFD, 370V AC capacitor, and provides both suction exhaust ports. Quality Assurance Plan. Functionality: Tested for Key functions, ready resale.

This item features a 115V, 60Hz, 4.2A lab vacuum pump often used in ELISA systems with an integrated Emerson motor model K48ZZECW3321. This item may have slight scuffing and markings, see pictures. Condition: Used, signs of wear from previous use. Model: 2628CE44-358B.

part #: 2628ce44358b prices

• $100.00-$329.99

specifications valvplu:

• brand: Dynex Technologies
• mpn: 2628ce44-358b
• type: Vacuum

shipping valvplu:

• transit: 2-4 Days
• class: Standard
• cost: $0.00
• service: UPS Ground
• carrier: UPS
• type: Fixed

seller valvplu:

• # reviews: 46213
• city: Dawsonville, Georgia
• rating: 99.9%

returns valvplu:

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

payments valvplu:

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

general valvplu:

• condition: Used
• Pumps Pump Accessories > Vacuum Pumps > Other Vacuum Pumps

offer valvplu:

• quantity: 1
• started: April 14, 2026
• sold: 0
• availability: In Stock
• best offers: True
• options: Ship-to-home

Dynex Technologies 2628CE44-358B Is Similar To:

• 2628ce44-358a Dynex Technologies Model Vacuum (45.8% similar) Function: this pump has been tested and found to be in excellent condition. Cosmetics: the cosmetic condition overall is excellent showing very little sign of previous use. The unit powers on and off properly intakes exhausts air as expected...(October 10th, 2017)