ARO / INGERSOLL RAND DP6-220B Air Pump Double Diaphragm

( Brand: Aro / Ingersoll Rand ), ( Manufacturer Part Number: DP6-220B ), ( Type: Air Operated Double Diaphragm ), ( Country Of Origin: Usa ), ( Unit Type: Unit )

Review ARO / INGERSOLL RAND Air Operated Double Diaphragm Pump

The **Aro Ingersoll Rand DP6-220B Air Double Diaphragm Pump** is a robust, high-performance industrial pump designed to deliver reliable fluid transfer in demanding applications where precision, durability, and efficiency are paramount. Engineered with Ingersoll Rand s signature engineering excellence, this air-operated double diaphragm pump (AODD) combines advanced diaphragm technology with a compact yet rugged construction to handle a wide range of corrosive, abrasive, viscous, and shear-sensitive fluids with ease. The DP6-220B operates on compressed air, eliminating the need for electric motors or complex mechanical seals, which significantly reduces maintenance requirements and enhances safety in hazardous environments. Its air-driven mechanism ensures consistent flow rates and pressure, making it ideal for applications such as chemical processing, wastewater treatment, food and beverage production, pharmaceutical manufacturing, and general industrial fluid handling.

This pump features a **220-gallon-per-minute (GPM) flow capacity at 100 PSI**, making it well-suited for medium to large-scale fluid transfer tasks while maintaining energy efficiency through its optimized air consumption. The **double diaphragm design** provides superior sealing and minimizes the risk of fluid leakage, contamination, or diaphragm failure, which is a common issue in single-diaphragm pumps. The diaphragms are constructed from **high-grade elastomers**, including options like EPDM, Neoprene, or Viton, depending on the application, ensuring compatibility with a broad spectrum of chemicals, acids, and solvents. The pump s **self-priming capability** allows it to draw fluids from low points or suction sources without requiring additional priming equipment, further simplifying installation and operation.

The DP6-220B is built with **heavy-duty cast iron components**, including a reinforced pump body and baseplate, which provide exceptional resistance to wear, corrosion, and thermal stress. Its **air distribution system** is designed for balanced air pressure, ensuring even diaphragm movement and prolonging the life of the pump s critical components. The unit incorporates **quick-connect fittings** and **easy-access design elements**, allowing for rapid maintenance, diaphragm replacement, and fluid path cleaning minimizing downtime and operational disruptions. Additionally, the pump s **sound-dampening enclosure** helps reduce noise levels, making it more suitable for indoor or noise-sensitive environments.

For enhanced safety and operational control, the DP6-220B is equipped with **pressure gauges, air inlet filters, and optional electronic controls**, enabling real-time monitoring of performance parameters. Its **universal air connection** (standard M24 x 1.5 thread) ensures compatibility with most industrial air supply systems, while the **adjustable stroke length** allows operators to fine-tune flow rates and pressure to match specific process requirements. Whether used for transferring aggressive chemicals, slurries, or sensitive biological fluids, this pump delivers **consistent, reliable performance** with minimal maintenance, making it a versatile and cost-effective solution for industries demanding precision and durability.

### **Pros and Cons of buying a ARO Ingersoll Rand DP6-220B Air Double Diaphragm Pump**

#### **Pros**

1. **Reliability and Durability** The DP6 series is known for robust construction, designed to handle harsh conditions, including abrasive and corrosive fluids. The double-diaphragm design reduces wear compared to single-diaphragm pumps, extending the pump s lifespan.

2. **Versatile Fluid Handling** This pump is suitable for a wide range of applications, including chemicals, slurries, acids, and viscous liquids. It can handle both clean and contaminated fluids, making it ideal for industrial, municipal, and agricultural uses.

3. **Self-Priming Capability** The pump can draw in air and liquid without external priming, which simplifies installation and reduces downtime.

4. **Air-Operated Design** Since it runs on compressed air rather than electricity, it is safe in explosive or hazardous environments (ATEX/Class I, Division 2 certified). This makes it a preferred choice for refineries, chemical plants, and mining operations.

5. **Low Maintenance** The design minimizes internal wear, reducing the need for frequent repairs. The diaphragm and seals are replaceable, allowing for cost-effective upkeep.

6. **Adjustable Flow and Pressure** The air operator allows for precise control over flow rates and discharge pressure, making it adaptable to different system requirements.

7. **Corrosion-Resistant Materials** Many models in this series use stainless steel, cast iron, or other corrosion-resistant materials, ensuring longevity in aggressive environments.

8. **Compact and Portable** The DP6 series is relatively compact, making it easy to install in tight spaces or mount on skids for mobile applications.

9. **Wide Range of Sizes and Configurations** The DP6-220B is part of a scalable series, allowing for upgrades or replacements as operational needs change.

10. **Proven Brand Reputation** Ingersoll Rand (now part of Emerson) is a well-established manufacturer with decades of experience in positive displacement pumps, ensuring quality and support.

---

#### **Cons**

1. **Higher Initial Cost** Compared to some basic diaphragm or centrifugal pumps, the DP6-220B has a higher upfront purchase price. However, this is often justified by its durability and efficiency.

2. **Compressed Air Dependency** The pump requires a reliable air supply, which may not always be available or may incur additional operational costs (e.g., running an air compressor).

3. **Noise Levels** Air-operated pumps can be louder than electric alternatives, which may require additional soundproofing or noise mitigation in sensitive environments.

4. **Limited Flow Rate for Large Systems** While capable of handling moderate to high pressures, the DP6-220B may not be sufficient for very high-volume applications without multiple units or larger models.

5. **Potential for Air Leaks** If the air operator or seals degrade, it can lead to inefficiencies or reduced performance, requiring periodic inspections.

6. **Specialized Maintenance Knowledge** Operating and maintaining air-operated diaphragm pumps may require trained personnel, especially for complex troubleshooting.

7. **Weight and Installation Complexity** The pump is heavier than some electric alternatives, which may complicate installation in certain locations.

8. **Limited Availability of Spare Parts** Depending on the region, finding OEM or third-party replacement parts may take time, potentially causing delays in repairs.

9. **Energy Inefficiency Compared to Electric Pumps** Since it relies on compressed air, its energy efficiency is lower than that of direct-drive electric pumps, though this is often offset by safety and reliability benefits.

10. **Not Ideal for Ultra-Pure Applications** While it handles many industrial fluids well, it may not be suitable for applications requiring ultra-high purity (e.g., pharmaceuticals or semiconductor manufacturing), where specialized pumps are needed.

---

### **Conclusion**

The **ARO Ingersoll Rand DP6-220B** is a high-quality, air-operated double-diaphragm pump designed for demanding applications where reliability, corrosion resistance, and safety are critical. Its strengths lie in its durability, versatility, and suitability for explosive environments, making it a strong choice for industries like chemical processing, wastewater treatment, and mining. However, its higher cost, dependency on compressed air, and potential maintenance requirements may pose challenges depending on the specific application.

For users who prioritize **safety, longevity, and the ability to handle abrasive or corrosive fluids**, this pump is an excellent investment. Conversely, those operating in **low-pressure, high-volume, or ultra-pure environments** may find better alternatives elsewhere.

---

### **Recommendation**

- You need a **reliable, air-operated pump** for **corrosive, abrasive, or hazardous fluids**.

- Your application requires **self-priming** and **explosion-proof operation**.

- You operate in an environment where **electric pumps are unsafe or impractical**.

- You can justify the **higher upfront cost** with long-term durability and low maintenance.

- Your system **does not have a reliable air supply**.

- You require **ultra-high flow rates** or **ultra-pure fluid handling**.

- **Noise or space constraints** are significant concerns.

- A **lower-cost electric pump** would suffice for your application.

**Final Verdict:** The DP6-220B is a **strong, well-built pump** for industrial and hazardous environments, but its suitability depends on matching it to the right application. If your needs align with its strengths, it is a **solid long-term purchase**. Otherwise, evaluate whether a different pump type (e.g., progressive cavity, centrifugal, or electric diaphragm) would better fit your requirements.

Details:

Manufacturing plants. The DP6 series is known for efficient air operation, self-priming capability, and safe use in hazardous environments where electric pumps are not suitable. Air operated double diaphragm AODD design. Paints, coatings, and adhesives transfer.

These pumps are widely used in demanding industrial applications due to their durability, reliability, and ability handle a wide range of fluids. Self-priming and can run dry without damage. Handles viscous, abrasive, and chemical fluids. No electric motor ideal for hazardous or explosive environments.

Typical Applications: Chemical processing. Shipping: Shipping cost: UPS Calculated. Oil gas facilities. Food beverage processing depending on material compatibility.

Key: Manufacturer: ARO / Ingersoll Rand. Buyers pay for return shipping. Cash on Pickup. Model: DP6-220B.

ARO DP6-220B Air Operated Double Diaphragm Pump Ingersoll Rand: This listing is for a genuine air operated double diaphragm pump, manufactured by Rand, trusted name in industrial fluid handling equipment. Return Product, Simple, rugged construction for easy maintenance. Wastewater treatment.

Some exceptions may apply. Suitable for industrial fluid transfer applications. Let us know whats going on, and we ll provide you a return label.

part #: dp6220b price

• $749.99

specifications generapneumati:

• brand: Aro / Ingersoll Rand
• mpn: Dp6-220b
• type: Air Operated Double Diaphragm
• country of origin: Usa
• unit type: Unit

payments generapneumati:

• cash
• credit card: Discover
• wallet: Google-pay
• other

returns generapneumati:

• method: Money back
• paid by: Buyer
• time: 14 Days
• policy: Returns Accepted

general generapneumati:

• Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Other Hydraulics Pneumatics
• condition: Used

offer generapneumati:

• availability: In Stock
• options: Ship-to-home
• started: February 12, 2026
• best offers: True
• quantity: 1
• sold: 0

shipping generapneumati:

• transit: 5-11 Days
• service: UPS Ground, UPS Next Day Air, USPS Priority Mail
• cost: $44.21
• type: Calculated
• class: Standard, One-day, Expedited
• carrier: UPS, USPS

seller generapneumati:

• city: Fleetwood, Pennsylvania
• rating: 99.6%
• # reviews: 24411

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