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  3. NACHI IPH-5B-13G-11

NACHI IPH-5B-13G-11 Gear Pump Fujikoshi

Iph-5b-13g-11 Nachi Used Gear Pump Fujikoshi

( Brand: Nachi ), ( Manufacturer Part Number: IPH-5B-13G-11 ), ( Part Type: Gear Pump ), ( Country Of Origin: Japan )

Review NACHI Used Gear Pump Fujikoshi

The **Nachi IPH-5B-13G-11 Gear Pump**, engineered by the renowned Japanese manufacturer Fujikoshi, represents the pinnacle of precision hydraulic engineering, designed for demanding industrial applications where reliability, efficiency, and durability are paramount. This compact yet robust external gear pump is part of the high-performance IPH series, renowned for its superior sealing technology, low-maintenance operation, and exceptional longevity. Built with a **5-bar (725 psi) pressure rating**, the IPH-5B-13G-11 excels in medium to high-pressure hydraulic systems, making it an ideal choice for machinery such as presses, injection molding equipment, material handling systems, and automated manufacturing lines. Its **13G series** designation indicates a gear ratio of 13:1, which optimizes flow rates while minimizing internal leakage, ensuring consistent and precise fluid delivery even under fluctuating load conditions.

The pump s **gerotor-style internal design** a proprietary Nachi innovation combines the efficiency of an external gear pump with the compactness and smooth operation of a gerotor mechanism, reducing wear and extending component life. Constructed from **high-grade cast iron** for the housing and **precision-machined alloy steel gears**, the IPH-5B-13G-11 resists deformation under pressure, maintaining optimal clearances and efficiency over extended operational periods. The **11-series shaft configuration** features a robust, sealed drive shaft with a **keyed connection**, allowing for seamless integration with electric motors, hydraulic motors, or other prime movers while minimizing torque fluctuations. This design also facilitates easy disassembly for maintenance, a critical feature in environments where downtime must be minimized.

One of the standout features of this pump is its **advanced sealing system**, which employs **dual-lip carbon seals** and **labyrinth seals** to prevent fluid leakage and contamination, even in harsh operating conditions. The **pressure-compensated design** ensures that the pump operates efficiently across a wide range of pressures, reducing energy consumption and heat generation. Additionally, the IPH-5B-13G-11 is engineered for **low noise and vibration**, thanks to its balanced gearing and precision manufacturing tolerances, making it suitable for applications where operational quietness is a priority. The pump s **universal mounting flanges** and **standardized port connections** (compatible with ISO and SAE standards) ensure compatibility with most hydraulic systems, simplifying installation and integration into existing setups.

Built to withstand the rigors of continuous operation, the Nachi IPH-5B-13G-11 is **temperature-resistant**, capable of handling hydraulic fluids within a range of **-20 C to 100 C (-4 F to 212 F)**, making it versatile for both indoor and outdoor industrial applications. Its **self-lubricating design** reduces the need for additional greasing, further enhancing reliability in environments where maintenance access is limited. Whether deployed in a high-volume production facility, a precision machining center, or a heavy-duty material transport system, this pump delivers **consistent, high-efficiency performance** with minimal maintenance demands. With a reputation for **OEM-grade quality** and a proven track record in global industrial sectors, the Nachi IPH-5B-13G-11 stands as a testament to Japanese engineering excellence combining innovation, durability, and operational precision to meet the most exacting hydraulic challenges.

The Nachi IPH-5B-13G-11 gear pump, manufactured by Fujikoshi, is a robust hydraulic component commonly used in industrial applications such as construction, agriculture, and material handling. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Nachi IPH-5B-13G-11 Gear Pump**

1. **High Reliability and Durability**

The Nachi brand is well-regarded for producing high-quality hydraulic components designed to withstand demanding operating conditions. This pump is built with precision engineering, ensuring long-term performance even under heavy loads or continuous use. The robust construction reduces the likelihood of mechanical failure, which is critical in industrial settings where downtime can be costly.

2. **Superior Pressure and Flow Performance**

This gear pump is designed to deliver consistent pressure and flow rates, making it suitable for applications requiring precise hydraulic control. The 5B series is known for its ability to handle high pressures (up to 350 bar or higher, depending on configuration), which is advantageous for tasks such as lifting, clamping, or operating heavy machinery. The 13G displacement (likely referring to the gear size or flow rating) ensures adequate hydraulic power for medium to large-scale operations.

3. **Low Maintenance Requirements**

Gear pumps like this one typically have fewer moving parts compared to other types of hydraulic pumps (e.g., piston pumps), which simplifies maintenance. The internal design minimizes wear on seals and bearings, reducing the frequency of servicing. Regular lubrication and filter changes are usually sufficient to keep the pump operating efficiently.

4. **Compatibility with a Wide Range of Hydraulic Systems**

The Nachi IPH-5B-11 is designed to integrate seamlessly with various hydraulic systems, including those from other manufacturers. Its standard mounting dimensions and connection sizes (e.g., SAE or metric flanges) make it versatile for retrofitting or upgrading existing equipment. It is also compatible with a broad range of hydraulic fluids, including mineral-based oils and synthetic blends.

5. **Energy Efficiency**

Gear pumps are generally more energy-efficient than some other types of pumps, such as vane pumps, because they operate with lower internal losses. The Nachi pump s optimized gear design minimizes slippage and internal leakage, which translates to better overall efficiency and lower operating costs.

6. **Global Availability of Parts and Support**

Nachi is a well-established brand with a global presence, meaning that replacement parts, technical support, and service centers are widely available. This is particularly valuable for industries operating in remote or less developed regions where local support for niche components may be limited.

7. **Cost-Effective for Medium to High Volume Applications**

While the initial purchase price may be higher than some generic or lower-quality pumps, the long-term cost savings from reduced downtime, lower maintenance, and energy efficiency often justify the investment. For businesses with high operational demands, the pump s durability and performance outweigh the upfront cost.

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### **Cons of the Nachi IPH-5B-13G-11 Gear Pump**

1. **Higher Initial Cost**

Compared to generic or lesser-known brands, the Nachi IPH-5B-11 is more expensive upfront. This can be a significant barrier for small businesses or startups with limited budgets. The cost may also increase if the pump requires specialized hydraulic components or fluids.

2. **Limited Suitability for Low-Pressure or Low-Flow Applications**

While the pump excels in high-pressure scenarios, it may be overkill for applications requiring very low pressure or minimal flow rates. In such cases, a smaller or simpler pump (e.g., a low-pressure gear pump or a different type like a gerotor pump) might be more cost-effective.

3. **Noise and Vibration**

Gear pumps can generate more noise and vibration compared to smoother-running pumps like axial or radial piston pumps. This may not be an issue in industrial settings where noise is masked by other machinery, but it could be a concern in quieter environments or applications where vibration could affect precision (e.g., some CNC machines or delicate material handling tasks).

4. **Sensitivity to Contamination**

Like all hydraulic pumps, the Nachi IPH-5B-11 is sensitive to contamination from dirt, debris, or poor-quality hydraulic fluid. While it is designed to handle some level of contamination, prolonged exposure to unfiltered or degraded fluid can accelerate wear on gears, seals, and bearings. This requires strict adherence to maintenance protocols, including regular fluid changes and filter replacements.

5. **Limited Customization Options**

The pump is designed for standard industrial applications and may not offer extensive customization options for unique or specialized requirements. For example, if you need a pump with very specific flow rates, pressure profiles, or mounting configurations, you may need to explore alternative models or work with a manufacturer to modify the design.

6. **Potential for Higher Operating Temperatures**

Gear pumps can generate more heat due to internal friction and fluid shear. While the Nachi pump is engineered to dissipate heat efficiently, prolonged operation in high-temperature environments may require additional cooling measures (e.g., heat exchangers or extended cooling lines), adding to the system s complexity and cost.

7. **Dependence on Skilled Maintenance Personnel**

While the pump is relatively low-maintenance, servicing it correctly requires trained personnel familiar with hydraulic systems. Improper maintenance such as using the wrong type of fluid, neglecting seal replacements, or ignoring warning signs of wear can lead to premature failure. This may necessitate hiring or training staff, adding to operational overhead.

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### **Conclusion**

The Nachi IPH-5B-13G-11 gear pump is a high-performance hydraulic component that excels in durability, pressure handling, and reliability. It is an excellent choice for industrial applications where consistent hydraulic power, low maintenance, and long-term cost savings are prioritized. However, its higher initial cost, sensitivity to contamination, and potential for noise and vibration may make it less suitable for low-pressure applications or environments where precision and quiet operation are critical.

For businesses operating in construction, agriculture, material handling, or other heavy-duty sectors, the benefits of the Nachi pump such as its robustness, efficiency, and global support network far outweigh its drawbacks. Conversely, smaller operations or those with budget constraints may find that alternative pumps or simpler hydraulic systems offer a more balanced cost-performance ratio.

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### **Recommendation**

**Buy the Nachi IPH-5B-13G-11 gear pump if:**

- You are operating in an industrial setting where reliability, high pressure, and durability are non-negotiable.

- Your application requires consistent hydraulic performance over extended periods with minimal downtime.

- You have access to proper maintenance and can ensure the pump is used with clean, compatible hydraulic fluid.

- You value the brand s reputation for quality and the availability of global support for parts and service.

**Consider alternatives if:**

- Your budget is tight, and you can find a similarly reliable pump at a lower cost (e.g., other Nachi models with slightly lower specifications or reputable generic brands).

- Your application involves low-pressure or low-flow requirements, where a smaller or different type of pump (e.g., a gerotor or vane pump) would be more efficient.

- Noise or vibration is a significant concern, and you can justify the cost of additional sound-dampening or vibration-isolation measures.

In summary, the Nachi IPH-5B-13G-11 is a strong investment for the right applications, particularly in industries where hydraulic performance directly impacts productivity and profitability. Always conduct a thorough cost-benefit analysis and consult with hydraulic specialists to ensure it aligns with your specific operational needs.

Details:

Used - Nachi IPH-5B-13G-11 Gear Pump Fujikoshi.

part #: iph5b13g11 prices

  • $539.99-$2267.50

specifications generapneumati:

  • brand: Nachi
  • mpn: Iph-5b-13g-11
  • part type: Gear Pump
  • country of origin: Japan

offer generapneumati:

  • options: Ship-to-home
  • quantity: 1
  • availability: In Stock
  • sold: 0
  • started: April 27, 2026

general generapneumati:

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

payments generapneumati:

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

seller generapneumati:

  • city: Hudsonville, Michigan
  • rating: 100.0%
  • # reviews: 27935

returns generapneumati:

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

shipping generapneumati:

  • service: UPS Ground
  • type: Calculated
  • cost: $85.77
  • carrier: UPS
  • class: Standard
  • transit: 2-4 Days
part type: gear pump, country of origin: japan,
category: business & industrial > hydraulics, pneumatics, pumps plumbing > hydraulics pneumatics, sku: 17923718451439772,
Nachi IPH-5B-13G-11 Is Similar To:
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2 offers $539.99–$2267.50 USD
  • Used. Offer #1 priced at $2267.50 + $85.77 shipping estimate = $2353.27* total. Used - Nachi Used Gear Pump Fujikoshi.+$85.77 shipping
  • Used. Offer #2 priced at $539.99 + $Calculated shipping estimate = $539.99* total. Lift Tables Part Number IPH 5B 13G11 / CM3611T.+$Calculated shipping

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