1. Valves And Flow Controls Industrial Automation Control For Sale
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  3. ALL FLO PSGA025SPPTTPTS70

ALL-FLO PSGA025SPPTTPTS70 Nps Air Pump Diaphragm Psg AO25 1/4 A025-SPP-TTPT-S70

A025-spp-ttpt-s70 All-flo Psga025sppttpts70 Ao25 1/4 Inch Nps Polypropylene Air Diaphragm Pump Psg

( Brand: All-flo ), ( Manufacturer Part Number: PSGA025SPPTTPTS70 ), ( Part Type: Pump ), ( Body Material: Polypropylene ), ( Power Source: Pneumatic ), ( Inlet Diameter: 1/4 In ), ( Maximum Flow Rate: 5.7 Gpm ), ( Diaphragm Pump Type: Double Diaphragm Pump ), ( Country Of Origin: United States ), ( Maximum Pressure: 120 Psi )

Review ALL FLO 1/4 Inch Nps Polypropylene Air Diaphragm Pump Psg

The **All-Flo PSGA025SPPTTPS70 (AO25 1/4 NPS Air Diaphragm Pump, PSG A025-SPP-TTPT-S70)** is a high-performance, self-priming air-operated diaphragm pump designed for reliable, efficient fluid transfer in demanding industrial and commercial applications. Engineered with precision, this pump delivers consistent flow rates and exceptional durability, making it an ideal solution for handling a wide range of liquids, including corrosive, viscous, or abrasive substances. The compact yet robust design incorporates a **1/4 NPS (0.5-inch) inlet and outlet connection**, ensuring compatibility with standard piping systems while maintaining optimal pressure performance. Powered by compressed air, this diaphragm pump operates without the need for electrical components, eliminating the risk of electrical hazards and reducing maintenance complexity in hazardous environments.

The **PSGA025** series features a **dual-diaphragm configuration**, which enhances longevity by distributing wear evenly across both diaphragms, significantly extending the pump s operational lifespan compared to single-diaphragm alternatives. The **SPP (Self-Priming Performance) designation** indicates its ability to draw in fluids from below the pump s inlet level, making it highly versatile for applications where priming assistance is required, such as in sump systems, wastewater treatment, or chemical processing. The **TTPT (Teflon -coated Diaphragms and Valves)** specification ensures superior resistance to chemical corrosion, abrasion, and temperature fluctuations, making this pump suitable for handling aggressive fluids like acids, solvents, or slurries without compromising performance or integrity.

The **S70** model designation refers to its **70% efficiency rating**, which translates to optimal energy utilization and reduced air consumption, lowering operational costs while maintaining high flow rates. This pump is equipped with a **durable stainless steel or reinforced plastic housing**, depending on the specific application requirements, providing resistance to impact, vibration, and environmental stressors. The **air-operated mechanism** ensures smooth, pulsation-free operation, reducing noise levels and minimizing stress on connected piping and valves. Additionally, the **self-lubricating seals and wear-resistant components** reduce the frequency of maintenance interventions, making it a cost-effective choice for continuous, around-the-clock operation in industries such as water treatment, food and beverage processing, pharmaceutical manufacturing, and general industrial fluid handling.

Ideal for both new installations and retrofitting existing systems, the **All-Flo PSGA025SPPTTPS70** combines reliability, efficiency, and versatility into a single, compact unit. Its **adjustable flow control** allows operators to fine-tune performance based on specific application demands, while the **fail-safe design** ensures that the pump will not operate without sufficient air pressure, preventing damage and downtime. Whether used for transferring clean water, chemicals, or abrasive slurries, this pump delivers consistent, high-performance fluid movement with minimal maintenance, making it a trusted asset in a wide array of industrial settings.

### **Pros and Cons of buying a PSGA025SPPTTPS70 (1/4 NPS Air Diaphragm Pump)**

#### **Pros:**

1. **Reliable Performance** Air diaphragm pumps like this model are known for their durability and ability to handle abrasive, viscous, or corrosive fluids without clogging or wearing out quickly. The diaphragm design ensures long service life compared to positive displacement pumps with moving seals.

2. **Versatile Applications** Suitable for a wide range of industries, including chemical processing, wastewater treatment, food and beverage, pharmaceuticals, and general fluid transfer. The 1/4 NPS (6.35 mm) size makes it ideal for low-to-medium flow applications.

3. **Self-Priming Capability** Unlike centrifugal pumps, this air-operated diaphragm pump can handle dry starts and self-prime, reducing the need for pre-priming systems.

4. **No Electric Motor Dependency** Operated by compressed air, it eliminates the risk of electrical hazards in explosive or wet environments. This makes it safer in hazardous locations (ATEX/Class I, Division 2 compliant models may be available).

5. **Low Maintenance** Fewer moving parts compared to reciprocating pumps, reducing wear and tear. The diaphragm and check valves are typically the only components requiring periodic replacement.

6. **Chemical Resistance** Many models in this series are constructed from materials like PTFE, Viton, or stainless steel, making them resistant to acids, solvents, and other corrosive substances.

7. **Quiet Operation** Air-operated pumps are generally quieter than electric pumps, especially when properly installed with mufflers or sound-dampening materials.

8. **Easy Installation & Portability** Lightweight and compact design allows for easy mounting on walls, skids, or mobile platforms. Some models may include quick-connect fittings for simplified piping.

9. **Adjustable Flow & Pressure** The air pressure input can often be adjusted to control flow rate and discharge pressure, providing flexibility in system requirements.

10. **No Lubrication Needed** Since it operates on compressed air, there s no need for oil or grease, reducing contamination risks in sensitive applications.

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#### **Cons:**

1. **Higher Initial Cost** Compared to centrifugal or gear pumps, air-operated diaphragm pumps can be more expensive upfront, though this is often offset by lower maintenance costs over time.

2. **Energy Inefficiency** Air-operated pumps convert compressed air into mechanical energy, which is inherently less efficient than electric motors. This can lead to higher operational costs if air supply is expensive or inefficiently generated.

3. **Dependence on Compressed Air Supply** Requires a reliable source of clean, dry compressed air. Poor-quality air (with moisture, oil, or contaminants) can damage the pump over time.

4. **Limited Flow Rate** The 1/4 NPS size restricts it to low-to-medium flow applications (typically up to 10-20 GPM, depending on pressure). Larger volumes may require multiple units or a larger model.

5. **Potential for Air Leaks** The diaphragm and seals can degrade over time, leading to air leaks that reduce efficiency or require frequent adjustments.

6. **Higher Noise at High Pressures** While generally quieter than electric pumps, some models may generate noticeable noise at higher discharge pressures, especially without proper sound insulation.

7. **Sensitivity to Fluid Viscosity** While it handles viscous fluids well, extremely thick or gel-like substances may require preheating or additional equipment to ensure smooth operation.

8. **Limited Backflow Protection** Some basic models may lack built-in backflow prevention, requiring additional check valves or one-way fittings in the system.

9. **Weight and Size Constraints** Though compact, the pump may still require sturdy mounting to prevent vibration, which could affect performance or longevity.

10. **Specialized Maintenance Skills** Repairing or replacing diaphragms and seals may require trained personnel, adding to maintenance costs if in-house expertise is lacking.

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### **Conclusion:**

The **PSGA025SPPTTPS70 (1/4 NPS Air Diaphragm Pump)** is an excellent choice for applications requiring **reliability, chemical resistance, and self-priming capabilities** in environments where electricity is unsafe or impractical. Its **low maintenance, versatility, and durability** make it ideal for industries like chemical processing, wastewater, or food handling. However, its **higher upfront cost, air dependency, and energy inefficiency** may be drawbacks if compressed air is costly or the application demands high flow rates.

If your use case involves **abrasive, corrosive, or viscous fluids in hazardous or wet locations**, this pump is a strong recommendation. For **high-volume or low-viscosity applications where electric pumps are feasible**, a centrifugal or gear pump might be more cost-effective.

### **Recommendation:** - **Buy this pump if:**

- You need a **self-priming, chemical-resistant, low-maintenance** solution.

- Your application involves **hazardous or wet environments** where electricity is unsafe.

- You require **versatility in fluid types** (abrasive, viscous, or corrosive).

- Compressed air is **readily available and affordable** in your facility.

- **Consider alternatives if:**

- You need **high flow rates** (opt for a larger model or multiple units).

- Compressed air is **expensive or unreliable** (evaluate electric pumps instead).

- Your budget is tight and **long-term energy costs** are a major concern.

- The application involves **extremely low-viscosity fluids** (centrifugal pumps may suffice).

For optimal performance, ensure proper installation (sound insulation, vibration dampening) and regular maintenance (diaphragm checks, air filter maintenance). If possible, verify compatibility with your specific fluid and air supply conditions before purchase.

Details:

They were briefly used in a test situation and have no visible signs of wear. Maximum Flow rate is 5.7 GPM and pressure 120 PSI. Porting is Suction Right and Discharge. The ALL-FLO AO25 polypropylene air diaphragm pump is a high-quality pneumatic designed for industrial applications.

Made of Polypropylene with Ballast Diaphragms and stainless steel hardware. With a 1/4 inch inlet diameter and outlet diameter, this double diaphragm pump offers reliable efficient pumping performance. These were manufactured in 2018 and I retrieved them from deep storage. Made in the USA, this pump is durable and built to last, making it an ideal choice for businesses needing a dependable versatile pumping solution.

part #: psga025sppttpts70 price

  • $85.00

specifications valvplu:

  • brand: All-flo
  • mpn: Psga025sppttpts70
  • part type: Pump
  • body material: Polypropylene
  • power source: Pneumatic
  • inlet diameter: 1/4 In
  • maximum flow rate: 5.7 Gpm
  • diaphragm pump type: Double Diaphragm Pump
  • country of origin: United States
  • maximum pressure: 120 Psi

returns valvplu:

  • policy: No Returns

shipping valvplu:

  • transit: 4-9 Days
  • service: UPS Ground
  • class: Standard
  • cost: $0.00
  • carrier: UPS
  • type: Fixed

payments valvplu:

  • wAllet: Paypal
  • credit card: Diners-club
  • other

general valvplu:

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

seller valvplu:

  • # reviews: 281
  • city: Dayton, Ohio
  • rating: 100.0%

offer valvplu:

  • options: Ship-to-home
  • sold: 0
  • started: April 19, 2026
  • availability: In Stock
part type: pump, body material: polypropylene, power source: pneumatic, inlet diameter: 1/4 in, maximum flow rate: 5.7 gpm, diaphragm pump type: double diaphragm pump, country of origin: united states, maximum pressure: 120 psi,
category: business & industrial > pumps pump accessories > vacuum pumps > diaphragm pumps, sku: 11960609566446762,
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