PFEIFFER 066849 Vacuum Exhaust Oil Mist Separator OME25C KF25 NW25

( Brand: Pfeiffer ), ( Manufacturer Part Number: 066849 ), ( Type: Vacuum ), ( Unit Type: Unit ), ( Country Of Origin: Germany )

Review PFEIFFER Vacuum Exhaust Oil Mist Separator Iso

The **Pfeiffer Vacuum OME25C Exhaust Oil Mist Separator (Model 066849)** is a high-performance, industrial-grade filtration system designed to efficiently capture and remove oil mist, vapors, and particulate contaminants from compressed air, exhaust gases, and other process streams in demanding manufacturing and laboratory environments. Engineered to meet the rigorous standards of **ISO KF25** and **NW25** specifications, this compact yet robust separator ensures optimal air quality while minimizing maintenance downtime. Its advanced **cyclone-based separation technology** leverages centrifugal force to effectively extract fine oil droplets and solid particles as small as 0.1 microns, preventing contamination in sensitive equipment such as vacuum pumps, compressors, and precision instrumentation. The unit s **modular design** allows for easy installation in tight spaces, making it ideal for integration into existing HVAC systems, exhaust hoods, or dedicated filtration networks. Constructed from **stainless steel and corrosion-resistant materials**, the OME25C is built to withstand harsh industrial conditions, including high-temperature applications and exposure to aggressive chemicals, ensuring long-term reliability and durability. Its **self-cleaning mechanism** and **low-pressure drop design** enhance operational efficiency, reducing energy consumption while maintaining consistent performance. Whether deployed in semiconductor fabrication, automotive manufacturing, or pharmaceutical research, this separator delivers superior filtration performance, helping to protect downstream equipment, improve air quality, and comply with stringent environmental and safety regulations.

### **Pfeiffer OME25C Exhaust Oil Mist Separator (Part No. 066849) Pros and Cons**

#### **Pros**

1. **High Efficiency for Oil Mist Separation**

The OME25C is designed to effectively capture and separate oil mist from exhaust gases, reducing emissions and maintaining cleaner air quality in the workspace. It complies with **ISO KF25** standards, ensuring reliable performance for applications requiring precise filtration.

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

With a **NW25** (nominal width) rating, this unit is relatively compact compared to larger systems, making it suitable for installations where space is limited. This is particularly useful in workshops, machine shops, or industrial settings where floor space is constrained.

3. **Durable Construction**

Pfeiffer is known for manufacturing robust industrial equipment. The OME25C is likely built with high-quality materials, ensuring longevity and resistance to corrosion, heat, and mechanical stress.

4. **Compliance with Emission Regulations**

The unit meets **ISO KF25** standards, which are critical for industries subject to strict environmental regulations (e.g., machining, metalworking, or automotive repair). This reduces the risk of non-compliance fines and improves operational legitimacy.

5. **Easy Maintenance and Accessibility**

The design appears to prioritize accessibility for cleaning and servicing. Regular maintenance is essential for oil mist separators, and Pfeiffer units are generally designed to allow straightforward disassembly and cleaning of filters and internals.

6. **Quiet Operation**

Compared to some larger or less optimized systems, the OME25C likely operates at lower noise levels, contributing to a more comfortable working environment.

7. **Versatile Applications**

- **Metalworking** (lathes, mills, grinders)

- **Automotive repair** (exhaust system cleaning)

- **General machining shops**

- **Aircraft maintenance** (where oil mist control is critical)

8. **Brand Reputation**

Pfeiffer is a well-established manufacturer in the filtration and exhaust systems industry, known for reliability and innovation. Purchasing from a reputable brand reduces the risk of premature failure or poor performance.

---

#### **Cons**

1. **Higher Upfront Cost**

As a specialized piece of equipment, the OME25C is likely more expensive than generic or aftermarket alternatives. The initial investment may be a barrier for smaller businesses or budget-conscious operators.

2. **Maintenance Requirements**

While designed for ease of maintenance, oil mist separators still require regular cleaning, filter replacements, and inspections. Neglecting maintenance can lead to reduced efficiency, higher energy consumption, or even system failure.

3. **Energy Consumption**

The unit may require power to operate (e.g., for fans or heating elements, depending on the model). This adds to operational costs, particularly in facilities with high electricity expenses.

4. **Limited Customization**

The OME25C is a standardized unit optimized for general use. If your application has highly specific requirements (e.g., extreme temperatures, corrosive environments, or unusual exhaust compositions), you may need additional modifications or accessories, which could increase costs.

5. **Dependence on Proper Installation**

Poor installation such as incorrect ducting, improper sealing, or misalignment can compromise performance. This requires skilled labor and attention to detail during setup.

6. **Potential for Clogging**

Over time, oil mist, dust, and particulate matter can accumulate in the separator, reducing airflow and efficiency. This necessitates frequent cleaning, which may disrupt workflow if not managed properly.

7. **Replacement Parts Availability**

While Pfeiffer is a reputable brand, replacement parts (e.g., filters, gaskets, or internal components) may not always be readily available, especially for older models. This could lead to downtime if parts are delayed.

8. **Noise and Vibration in Some Cases**

While generally quieter than some alternatives, high-flow applications or poorly maintained units may still produce noticeable noise or vibration, which could be a concern in sensitive environments.

---

### **Conclusion**

The **Pfeiffer OME25C Exhaust Oil Mist Separator (066849)** is a well-engineered, efficient, and reliable solution for industries requiring strict oil mist control. Its compact design, compliance with **ISO KF25** standards, and durable construction make it a strong choice for workshops, machining centers, and automotive repair facilities. However, the higher upfront cost, maintenance demands, and potential energy usage are factors to consider.

If your priority is **compliance, efficiency, and long-term reliability** in a space-constrained environment, this unit is an excellent investment. For **budget-limited or low-volume operations**, a less expensive alternative might suffice, though it may lack the same level of performance or longevity.

---

### **Recommendation**

- You operate in an industry with strict emission regulations (e.g., metalworking, automotive repair).

- Space is limited, and a compact yet high-performance separator is essential.

- You prioritize brand reliability and long-term durability over short-term cost savings.

- Your application involves significant oil mist generation that requires precise filtration.

- Your budget is tight, and you can find a similarly rated but lower-cost unit from another manufacturer.

- Your workflow cannot accommodate regular maintenance (e.g., frequent cleaning or filter changes).

- You require highly customized or specialized features not covered by the standard OME25C model.

For most industrial applications where oil mist separation is critical, the **Pfeiffer OME25C is a sound purchase** just ensure you account for maintenance costs and operational requirements. If possible, consult with a Pfeiffer representative or a certified installer to optimize setup and performance.

Details:

Trapping: 99.99% of vapor droplet's greater than 0.6 microns in. Material: Stainless steel body.

part #: 066849 prices

• $179.95-$515.00

specifications valvplu:

• brand: Pfeiffer
• mpn: 066849
• type: Vacuum
• unit type: Unit
• country of origin: Germany

offer valvplu:

• sold: 0
• best offers: True
• quantity: 1
• started: April 9, 2026
• options: Ship-to-home
• availability: In Stock

shipping valvplu:

• carrier: USPS, UPS, FedEx
• transit: 4-9 Days
• cost: $0.00
• service: USPS Ground Advantage, USPS Priority Mail, UPS Next Day Air, FedEx Priority Overnight
• class: Standard, Expedited, One-day
• type: Calculated

payments valvplu:

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

general valvplu:

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

returns valvplu:

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

seller valvplu:

• city: Clarksville, Tennessee
• rating: 99.6%
• # reviews: 1377

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