LUMMUS CORPORATION KGMD-55 Ccw Up Blast Fan Motor Corp 360 40HP 1765RPM 230/460V

( Brand: Lummus Corporation ), ( Manufacturer Part Number: KGMD-55 ), ( Part Type: Fan Motor )

Review LUMMUS CORPORATION Corp Ccw Up Blast 360 Fan 40hp 1765rpm 230/460v Motor

The **Lummus KGMD-55 CCW Upblast Fan, 40HP, 1765 RPM, 230/460V Motor** is a robust, high-performance industrial ventilation solution engineered to deliver exceptional airflow efficiency in demanding environments. Part of Lummus renowned KGMD series, this fan is specifically designed for applications requiring reliable, high-capacity exhaust or supply air movement, making it an ideal choice for facilities such as chemical processing plants, refineries, power generation units, and large-scale manufacturing operations. Its **upblast configuration** ensures optimal air discharge while minimizing noise and vibration, a critical consideration in noise-sensitive or space-constrained settings. The **40 horsepower electric motor**, rated for **1765 RPM**, provides the necessary torque and speed to handle heavy-duty airflow requirements, whether managing fumes, gases, or particulate-laden air streams. With a **dual-voltage capability (230V or 460V)**, this fan offers flexibility for integration into existing electrical systems without the need for additional voltage conversion equipment, simplifying installation and reducing operational complexity.

Constructed with **high-grade materials**, the KGMD-55 features a **cast iron housing** and **stainless steel impeller**, ensuring durability and resistance to corrosion key attributes for applications exposed to harsh chemicals, moisture, or abrasive particles. The **counter-clockwise (CCW) rotation** of the impeller is standard, allowing for seamless compatibility with existing ductwork and exhaust systems that adhere to industry-standard airflow direction protocols. The fan s **blast design** further enhances its ability to handle high-pressure differentials, making it well-suited for applications where backpressure or resistance in the ductwork could otherwise impede performance. Additionally, the **upblast orientation** helps reduce the risk of debris accumulation within the housing, promoting longer equipment lifespan and minimizing maintenance downtime.

For facilities prioritizing energy efficiency, the KGMD-55 incorporates **optimized aerodynamic design elements**, including a **high-efficiency impeller profile** and **streamlined airflow pathways**, which collectively reduce energy consumption while maintaining peak performance. The fan s **sealed motor enclosure** provides protection against environmental contaminants, ensuring reliable operation in both indoor and outdoor settings. When paired with Lummus advanced control systems, such as variable frequency drives (VFDs), this fan can be further optimized for variable airflow demands, offering energy savings and extended equipment life. Whether deployed in a **refinery s flare stack system, a power plant s boiler exhaust, or an industrial kiln s fume extraction setup**, the KGMD-55 delivers a proven balance of power, precision, and longevity, making it a cornerstone of efficient and dependable ventilation infrastructure.

### **Pros and Cons of buying a Lummus KGMD-55 CCW Upblast 360 Fan with 40HP, 1765 RPM, 230/460V Motor**

#### **Pros**

1. **High Performance and Efficiency**

The 40HP motor provides substantial power, making it suitable for large-scale industrial applications such as cooling towers, ventilation systems, or dust collection in manufacturing plants. The 1765 RPM speed ensures adequate airflow for demanding environments.

2. **Durable Construction**

Lummus is a well-known manufacturer in industrial fans, and this model is designed for heavy-duty use. The robust materials and engineering suggest longevity, reducing the need for frequent replacements.

3. **Versatile Voltage Options (230V/460V)**

The dual-voltage capability (230V or 460V) makes this fan adaptable to different electrical systems, increasing its usability in various industrial settings without requiring significant modifications.

4. **Upblast Design**

The upblast configuration is ideal for applications where exhausting hot air or fumes upward is necessary, such as in cooling towers or certain types of ventilation systems. This design minimizes ground-level air turbulence and reduces noise in some configurations.

5. **360-Degree Airflow Distribution**

The 360-degree airflow pattern ensures even distribution of air, which is beneficial for large open areas or systems requiring uniform cooling or ventilation.

6. **Compatibility with Industrial Standards**

Lummus products are often designed to meet or exceed industry standards for safety, efficiency, and reliability, which can be crucial for compliance in regulated environments.

7. **Potential for Energy Savings**

Depending on the application, a well-matched fan can optimize airflow while minimizing energy consumption, especially if paired with variable frequency drives (VFDs) for adjustable speed control.

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#### **Cons**

1. **High Initial Cost**

Industrial fans of this size and power are expensive upfront. The 40HP motor and specialized design contribute to a significant capital expenditure, which may be a barrier for smaller businesses or startups.

2. **Maintenance Requirements**

Heavy-duty equipment like this typically requires regular maintenance, including bearing lubrication, blade inspections, and motor checks. Neglecting maintenance can lead to downtime and costly repairs.

3. **Noise Levels**

While not explicitly stated, large industrial fans can generate significant noise, which may require additional soundproofing or acoustic treatments in sensitive environments. The upblast design may not always mitigate noise effectively.

4. **Space and Installation Constraints**

The 360-degree fan and upblast configuration may require substantial clearance around the unit for proper airflow and safety. Installation may also demand structural modifications or specialized mounting solutions.

5. **Energy Consumption**

A 40HP motor consumes a considerable amount of power, which can lead to higher electricity bills, especially in continuous operation. This may offset some of the efficiency benefits if not managed properly.

6. **Potential for Overkill in Smaller Applications**

If the fan is oversized for the intended application, it may waste energy and create unnecessary operational costs. Careful sizing is essential to avoid this issue.

7. **Limited Customization**

Depending on the manufacturer s offerings, customization options (e.g., blade pitch, motor speed adjustments) may be limited. This could restrict optimization for specific airflow requirements.

8. **Depreciation Over Time**

Like all industrial equipment, this fan will depreciate over time. While it may last decades, its value will diminish, and replacement costs may become a long-term consideration.

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### **Conclusion**

The Lummus KGMD-55 CCW upblast fan with a 40HP motor is a powerful, durable, and versatile piece of equipment ideal for large-scale industrial ventilation, cooling, or exhaust applications. Its dual-voltage capability, robust construction, and efficient airflow make it a strong choice for demanding environments where reliability and performance are critical.

However, the high upfront cost, maintenance needs, and potential energy consumption are significant drawbacks. It is best suited for applications where the fan s capacity is fully utilized, such as in manufacturing plants, cooling towers, or large-scale HVAC systems. For smaller or less demanding applications, a lower-hp model might be more cost-effective.

### **Recommendation**

- You require a high-performance, heavy-duty fan for large-scale industrial ventilation, cooling, or exhaust systems.

- Your application demands 360-degree airflow and upblast capabilities.

- You have the budget and infrastructure to support its installation, maintenance, and energy consumption.

- The fan s 40HP motor aligns with your operational needs, avoiding unnecessary oversizing.

- Your budget is constrained, and a lower-hp or alternative model could suffice.

- The application does not justify the high initial cost and ongoing maintenance.

- Noise or space constraints make installation impractical without additional modifications.

- You lack the expertise or resources to properly maintain the equipment.

- Consult with an HVAC or industrial engineer to ensure the fan is correctly sized for your specific application.

- Evaluate long-term energy costs and potential savings from efficiency measures (e.g., VFDs).

- Factor in installation costs, including structural modifications or soundproofing if needed.

- Consider warranties, spare parts availability, and Lummus s customer support reputation for maintenance.

Details:

Brand: Lummus Corp. Inner Diameter ID: 23. Model: KGMD-55. Orientation: CCW Up Blast 360.

Inlet Specifications. Blade/Wheel/Paddle Specifications. Diameter: 36. Motor Specifications.

Outlet Specifications. Square/Rectangular Outlet.

part #: kgmd55 price

• $4000.00

specifications fablowehva:

• brand: Lummus Corporation
• mpn: Kgmd-55
• part type: Fan Motor

general fablowehva:

• condition: Used
• HVAC Refrigeration > HVAC Refrigeration: Parts Accessories > HVAC Refrigeration: Fans Blowers

returns fablowehva:

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

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offer fablowehva:

• availability: In Stock
• quantity: 1
• sold: 0
• best offers: True
• options: Ship-to-home
• started: February 5, 2026

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seller fablowehva:

• city: Suwanee, Georgia
• rating: 100.0%
• # reviews: 2934

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• Lummus Industries Inc Hf-136 Up Blast Ccw 360 15hp 1760rpm 575v (50% similar) Square/rectangular outlet. Outlet specifications. width : 8-1/4. Inlet specifications. Motor specifications. BC: Sue RD. Orientation: up blast ccw 360. Model: HF-136. Outer diameter OD. Diameter: 22. Blade/wheel/paddle specifications...(October 20th, 2025)