ALL-FLO AFP-A050-SPP-SSPE-S70 Air Pump Double Diaphragm

( Brand: All-flo ), ( Manufacturer Part Number: AFP-A050-SPP-SSPE-S70 ), ( Part Type: Pump )

Review ALL FLO Air Operated Double Diaphragm Pump Used

The **All-Flo AFP-A050-SPP-SSPE-S70 Air Double Diaphragm Pump** is a robust, high-performance industrial pump designed to deliver reliable fluid transfer in demanding applications where precision, durability, and versatility are essential. Engineered with a **self-priming air-operated double diaphragm (AODD) mechanism**, this pump leverages compressed air to drive two alternating diaphragms, ensuring continuous and pulsation-free flow while minimizing wear and tear on internal components. The **50-gallon-per-minute (gpm) flow capacity** at a maximum pressure of **70 PSI** makes it ideal for medium-duty applications, including chemical processing, wastewater treatment, slurry handling, and general industrial fluid transfer. Its **stainless steel construction**, including a **316-grade wetted path**, ensures exceptional resistance to corrosion, acids, and abrasive substances, making it suitable for handling aggressive chemicals, slurries, and other corrosive fluids without compromising performance or longevity.

The **SSPE (Stainless Steel Plunger and Endplates)** configuration enhances durability by reducing friction and preventing premature failure, while the **self-priming feature** eliminates the need for pre-filling, allowing the pump to draw fluids from low-level sources or suction lines with ease. The **smooth, pulsation-dampening design** of the double diaphragm system minimizes vibration and noise, contributing to a quieter operation compared to single-diaphragm pumps. This pump is equipped with a **quick-connect coupling system** for easy maintenance, enabling rapid disassembly and cleaning without specialized tools. The **air-to-fluid ratio** is optimized for efficiency, ensuring that minimal compressed air is wasted while maintaining consistent flow rates.

Safety and operational reliability are prioritized with features such as **pressure relief valves**, **backflow prevention**, and **overload protection**, which help prevent system failures and extend the pump s service life. The **S70 model designation** indicates its robust pressure handling, making it capable of managing high-viscosity fluids, thick slurries, and even solids-laden mixtures up to a certain degree, though it is best suited for applications where the fluid contains minimal abrasive particles. Whether used in **food and beverage processing, pharmaceutical manufacturing, or environmental remediation**, this pump s **sealed, leak-proof design** ensures compliance with strict hygiene and safety standards. With its **compact yet sturdy build**, the AFP-A050-SPP-SSPE-S70 is a versatile workhorse designed to operate reliably in both indoor and outdoor environments, providing a cost-effective solution for industries requiring dependable, low-maintenance fluid transfer technology.

### **Pros and Cons of buying a AFP-A050-SPP-SSPE-S70 Air Double Diaphragm Pump**

1. **Reliability and Durability** Double diaphragm pumps are known for their robustness and ability to handle abrasive, viscous, or corrosive fluids without clogging. The AFP-A050 model is designed for heavy-duty applications, reducing the risk of frequent breakdowns.

2. **Versatility in Fluid Handling** This pump can handle a wide range of fluids, including slurries, chemicals, wastewater, and thick liquids, making it suitable for industrial, agricultural, and municipal applications.

3. **Self-Priming Capability** Unlike many centrifugal pumps, this air-operated diaphragm pump can prime itself, meaning it can start pumping without pre-filling the system, which is useful in applications where fluid levels may fluctuate.

4. **Low Maintenance Requirements** The design minimizes wear parts, and the diaphragm is easily replaceable. The air-operated mechanism also reduces mechanical friction, leading to longer service intervals.

5. **Chemical Resistance** The materials used in construction (likely including elastomers and metals resistant to corrosion) ensure compatibility with aggressive chemicals, acids, and solvents.

6. **No Electrical Components** Being air-operated, it eliminates the risk of electrical hazards in explosive or wet environments, making it safer for certain industrial settings.

7. **Adjustable Flow and Pressure** The pump can be regulated by adjusting the air pressure, allowing for precise control over flow rates and pressure, which is beneficial in applications requiring variable output.

8. **Compact and Portable Design** The S70 variant suggests a portable or skid-mounted option, making it easier to relocate or install in tight spaces.

9. **Low Noise and Vibration** Air-operated pumps typically operate more quietly and with less vibration compared to electric pumps, reducing operational noise in sensitive environments.

10. **Compatibility with Existing Systems** The pump can integrate with air compressors already present in many industrial facilities, reducing additional infrastructure costs.

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1. **Higher Initial Cost** Compared to simpler centrifugal or gear pumps, air-operated diaphragm pumps have a higher upfront price, which may be a barrier for small businesses or budget-conscious buyers.

2. **Dependence on Air Supply** The pump requires a consistent and clean air source (typically 80-100 PSI). Poor-quality or insufficient air supply can lead to performance issues or damage.

3. **Energy Consumption** While air-operated, the pump still requires compressed air, which may not be energy-efficient if the air compressor is not optimized or if air leaks occur.

4. **Limited Flow Rate for Small Models** The AFP-A050 is a mid-sized pump, and while it is suitable for many applications, it may not be powerful enough for high-volume or high-head applications without additional staging or boosting.

5. **Wear and Tear on Diaphragms** Over time, diaphragms degrade due to fluid abrasion or chemical exposure, requiring periodic replacement, which adds to long-term operational costs.

6. **Noise from Air Release** Some users report that the air release valve can produce occasional loud noises, which may be disruptive in quiet environments.

7. **Sensitivity to Fluid Contaminants** While robust, the pump can be affected by large solids or fibrous materials, which may require additional filtration or pre-treatment of the fluid.

8. **Limited Lifespan Compared to Electric Pumps** In applications with extreme conditions (e.g., highly abrasive fluids or frequent cycling), the pump s lifespan may be shorter than that of a well-maintained electric pump.

9. **Requires Proper Installation and Venting** Improper installation, such as inadequate venting or incorrect piping, can lead to poor performance or damage. Expert setup may be necessary.

10. **Limited Availability of Spare Parts** Depending on the manufacturer, finding replacement parts (e.g., diaphragms, seals) may be challenging, especially for less common models.

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The **AFP-A050-SPP-SSPE-S70 air double diaphragm pump** is an excellent choice for applications requiring **reliable, chemical-resistant, and low-maintenance fluid handling**, particularly in industries like wastewater treatment, chemical processing, agriculture, or mining. Its **self-priming ability, versatility, and safety** make it ideal for environments where electrical pumps are impractical or hazardous.

However, the **higher cost, dependence on air supply, and potential long-term wear** mean it may not be the best fit for **low-budget, high-volume, or simple fluid transfer applications**. If the application demands **abrasive or corrosive fluid handling, portability, or explosion-proof operation**, this pump is a strong recommendation. For **high-flow, low-head, or cost-sensitive applications**, a centrifugal or gear pump might be more economical.

---

- You need a **durable, chemical-resistant pump** for **abrasive or viscous fluids**.

- Your application requires **self-priming, air-operated safety**, or **explosion-proof operation**.

- You have **existing compressed air infrastructure** and can ensure a clean, stable air supply.

- Maintenance and **diaphragm replacement costs** are acceptable for your budget.

- You require **high flow rates** (consider staging multiple pumps or a larger model).

- Your budget is tight (evaluate centrifugal or submersible pumps first).

- Your fluid contains **large solids** without proper filtration (may require additional pre-treatment).

- You lack **compressed air** or need a **fully electric solution** (evaluate electric diaphragm or progressive cavity pumps).

**Final Verdict:** For most **industrial, chemical, or wastewater applications** where reliability and chemical resistance are critical, the **AFP-A050-SPP-SSPE-S70 is a well-justified purchase**. Ensure proper installation, air supply quality, and maintenance planning to maximize its lifespan and performance.

Details:

All-Flo AFP-A050-SPP-SSPE-S70 Air Operated Double Diaphragm Pump. UPS Next Day AM. The cost of combined shipping depends on weight, location buyer and size box.

USED, Item has ink All over. Prices for these options may differ from standard ground shipping. These services include: UPS 3 Day Select. These services include Item is sold as pictured.

UPS 2 Day Air AM.

part #: afpa050sppsspes70 price

• $149.99

specifications valvesplumbing:

• brand: All-flo
• mpn: Afp-a050-spp-sspe-s70
• part type: Pump

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• city: Kawkawlin, Michigan
• # reviews: 26836

general valvesplumbing:

• Hydraulics, Pneumatics, Pumps Plumbing > Valves Manifolds > Other Valves Manifolds
• condition: Used

offer valvesplumbing:

• sold: 0
• options: Ship-to-home
• started: February 26, 2026
• quantity: 1
• best offers: True
• availability: In Stock

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