EBARA TECHNOLOGIES EV-S30P Vacuum Pump 500291950

( Brand: Ebara Technologies ), ( Manufacturer Part Number: EV-S30P ), ( Part Type: Vacuum Pump )

Review EBARA TECHNOLOGIES Ev Dry Vacuum Pump Oem Refurbished

The **Ebara EV-S30P Vacuum Pump (Model 500291950)** is a high-performance, oil-sealed rotary vane vacuum pump designed for demanding industrial applications where precision, reliability, and efficiency are paramount. Engineered with advanced materials and cutting-edge manufacturing techniques, this pump delivers exceptional suction performance across a wide range of operating conditions, making it an ideal choice for laboratories, semiconductor manufacturing, chemical processing, and other precision vacuum environments. The EV-S30P belongs to Ebara s renowned **EV-S series**, renowned for its robust construction, low maintenance requirements, and superior oil circulation system, which ensures consistent vacuum levels while minimizing wear and tear on internal components.

At the heart of the EV-S30P is its **rotary vane mechanism**, which operates with smooth, silent efficiency to achieve ultimate vacuum levels down to **1.33 10 mbar (10 Torr)** ideal for applications requiring high-purity environments, such as thin-film deposition, freeze-drying, or analytical instrumentation. The pump s **oil-sealed design** provides superior sealing performance, reducing gas leakage and contamination while extending the lifespan of critical components. Ebara s proprietary **oil circulation system** ensures optimal lubrication and cooling, preventing overheating and maintaining consistent performance even under prolonged or heavy-duty operation. The pump s **stainless steel construction**, including corrosion-resistant casings and seals, enhances durability in harsh chemical or corrosive atmospheres, making it suitable for applications involving aggressive gases or liquids.

The EV-S30P is equipped with a **compact yet robust motor**, delivering efficient power conversion with minimal energy consumption while adhering to strict international safety standards. Its **modular design** allows for easy integration into existing vacuum systems, with standard flange connections (such as CF or KF) and flexible mounting options to accommodate various setups. The pump features **precise pressure control** through its integrated vacuum gauge or external monitoring systems, ensuring accurate process regulation. Additionally, Ebara s **quiet operation** achieved through balanced rotor dynamics and vibration-dampening technologies makes the EV-S30P suitable for environments where noise reduction is critical, such as research laboratories or cleanroom applications.

Maintenance of the EV-S30P is streamlined thanks to its **user-friendly design**, with accessible oil change ports, replaceable vanes, and seals that can be serviced with minimal downtime. Ebara s **comprehensive warranty and technical support** further reinforce the pump s reliability, offering users peace of mind with long-term performance guarantees. Whether used in **semiconductor fabrication, pharmaceutical manufacturing, or scientific research**, the EV-S30P vacuum pump exemplifies Ebara s commitment to innovation, precision engineering, and operational excellence, setting a new standard for high-performance vacuum solutions in industrial and research applications.

### **Pros and Cons of buying a Ebara EV-S30P Vacuum Pump (Model 500291950)**

#### **Pros**

1. **High Efficiency and Performance** The EV-S30P is a dry screw vacuum pump designed for high throughput and low power consumption, making it suitable for applications requiring consistent and reliable vacuum levels, such as chemical processing, semiconductor manufacturing, and food packaging.

2. **Low Maintenance Requirements** Ebara s dry screw technology eliminates the need for oil lubrication, reducing wear and tear on internal components. This leads to longer service intervals and lower maintenance costs compared to traditional oil-sealed pumps.

3. **Energy Efficiency** The pump is designed with advanced rotor profiles and optimized motor efficiency, reducing energy consumption while maintaining high performance. This can result in significant cost savings over time.

4. **Versatility in Applications** The EV-S30P can handle a wide range of gases, including corrosive and aggressive media, making it suitable for industries such as pharmaceuticals, electronics, and environmental systems.

5. **Quiet Operation** Dry screw pumps typically operate more quietly than oil-sealed counterparts, reducing noise levels in industrial environments.

6. **Long Service Life** The robust construction and absence of oil contamination contribute to extended equipment lifespan, minimizing downtime and replacement costs.

7. **Compliance with Environmental Regulations** Since it does not require oil for operation, the EV-S30P avoids potential environmental risks associated with oil leaks or emissions, aligning with stricter industrial and regulatory standards.

8. **Modular Design** Ebara s pumps often feature modular components, allowing for easier repairs and upgrades without replacing the entire unit.

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#### **Cons**

1. **High Initial Cost** Dry screw vacuum pumps, including the EV-S30P, generally have a higher upfront price compared to traditional oil-sealed pumps. The investment may be justified by long-term savings, but it can be a barrier for smaller businesses or startups.

2. **Limited Availability of Spare Parts** While Ebara is a reputable brand, some specialized components or replacement parts may not be as readily available as those for more common pump models. This could lead to longer wait times for repairs.

3. **Higher Initial Pressure Limitations** Dry screw pumps are typically optimized for medium to high vacuum applications (rough to medium vacuum ranges) but may not achieve the same ultra-high vacuum levels as some oil-sealed or cryogenic pumps. If your application requires extremely low pressures, an alternative may be necessary.

4. **Sensitivity to Contaminants** Although dry screw pumps are more resistant to oil degradation, they are not entirely immune to particulate or gaseous contaminants. Proper filtration and maintenance are still critical to prevent damage.

5. **Noise and Vibration Considerations** While generally quieter than oil-sealed pumps, some dry screw models can still produce noticeable noise and vibration levels, which may require additional soundproofing or isolation in sensitive environments.

6. **Specialized Installation Requirements** The EV-S30P may require specific mounting, piping, and electrical configurations to operate optimally. Improper installation could lead to reduced efficiency or premature wear.

7. **Training and Expertise Needed** Operating and maintaining a high-efficiency dry screw pump may require trained personnel familiar with its specific controls, diagnostics, and maintenance protocols. Lack of expertise could lead to operational errors.

8. **Potential for Higher Operating Costs in Some Cases** While energy-efficient, certain configurations or high-contaminant environments might require additional filtration or cooling systems, which could add to operational expenses.

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### **Conclusion**

The **Ebara EV-S30P vacuum pump (500291950)** is a robust, energy-efficient, and low-maintenance solution for industries requiring reliable vacuum performance without the drawbacks of oil contamination. Its dry screw technology offers long-term cost savings, environmental compliance, and versatility across multiple applications. However, the higher initial cost, potential part availability issues, and specialized requirements may pose challenges, particularly for smaller operations or those with limited technical resources.

For businesses prioritizing **long-term reliability, reduced maintenance, and energy savings** especially in chemical processing, semiconductor manufacturing, or food packaging the EV-S30P is a strong investment. Conversely, if **budget constraints, ultra-high vacuum needs, or immediate availability of parts** are critical factors, alternative pump technologies (such as oil-sealed or diaphragm pumps) may be more suitable.

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### **Recommendation**

- Your application demands **high vacuum efficiency, low maintenance, and compliance with environmental standards**.

- You operate in an industry where **contaminant-free operation** (e.g., pharmaceuticals, electronics) is essential.

- You can justify the **upfront cost** with long-term operational savings and reduced downtime.

- Your facility has **access to trained personnel** for installation and maintenance.

- Your budget is **strictly limited**, and you can find a comparable oil-sealed pump with lower initial costs.

- Your application requires **ultra-high vacuum levels** that dry screw pumps may not achieve.

- You lack **specialized technical support** for Ebara equipment, as training or local service may be difficult to obtain.

For most industrial applications where **reliability, efficiency, and low maintenance** are priorities, the **Ebara EV-S30P is a highly recommended choice**. However, conduct a thorough cost-benefit analysis and consult with Ebara s technical support or a trusted vendor to ensure it aligns with your specific operational needs.

Details:

Sale Details. This item is manufacturer refurbished. Part No: EV-S30P. Input: 3, 200VAC.

Serial numbers or country of manufacture may vary. The physical condition is good, but there may be signs of previous use and handling. Pictured test equipment is not included or available for sale. Model No: EV.

Only items pictured are included: If a part is not pictured, or mentioned above, then it included in the sale. EV Ebara Technologies EV-S30P Dry Vacuum Pump 500291950 OEM Refurbished. IPN: 500291950.

part #: evs30p price

• $16006.26

specifications valvplu:

• brand: Ebara Technologies
• mpn: Ev-s30p
• part type: Vacuum Pump

returns valvplu:

• time: 60 Days
• policy: Returns Accepted
• method: Money back
• paid by: Buyer

shipping valvplu:

seller valvplu:

• rating: 99.7%
• # reviews: 10595
• city: Albuquerque, New Mexico

offer valvplu:

• started: June 3, 2026
• availability: In Stock
• options: Ship-to-home
• sold: 0
• best offers: True
• quantity: 1

general valvplu:

• Pumps Pump Accessories > Vacuum Pumps > Other Vacuum Pumps
• condition: Seller refurbished

payments valvplu:

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

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