GORMAN RUPP 1-2GF3-B0004 Displacement Gear Pump Npt GHC1 1/2GF3-B0004 1.5 15GPM 3HP

( Brand: Gorman Rupp ), ( Manufacturer Part Number: 1/2GF3-B0004 ), ( Model: GHC1 1/2GF3-B0004 ), ( Part Type: Gear Pump )

Review GORMAN RUPP 1/2gf3-b0004 Positive Displacement Gear Pump 1.5 Inch Npt 15gpm 3hp

The **Gorman-Rupp 1/2 GPF3-B0004 Gear Pump** is a robust, high-performance hydraulic component engineered for reliability and efficiency in demanding fluid transfer applications. Designed with a **1/2 GPF3-B0004 displacement**, this pump delivers a consistent and precise flow rate of **15 gallons per minute (GPM)** at full capacity, making it ideal for medium-duty hydraulic systems where steady pressure and volume are critical. The **3 horsepower (HP) motor** ensures sufficient power to handle viscous fluids, slurries, or abrasive materials without sacrificing performance, while its compact yet durable construction minimizes space requirements without compromising strength. Built with a **15-degree National Pipe Thread (NPT) connection**, this pump offers secure and standardized fittings for easy integration into existing piping systems, ensuring leak-proof operation under moderate pressure conditions. The **cast iron housing** provides exceptional resistance to wear and corrosion, extending the pump s operational lifespan even in harsh environments, while the precision-machined gears maintain optimal efficiency and reduce energy consumption over time. Whether used in industrial processing, agricultural irrigation, or municipal water systems, this pump s balanced design ensures smooth operation, low maintenance demands, and dependable performance for years of service. Its versatility makes it a trusted choice for engineers and operators seeking a dependable, cost-effective solution for fluid handling tasks.

### **Pros and Cons of buying a Gorman-Rupp 1/2 GF3-B0004 (GH-C1) Gear Pump**

1. **Reliability and Durability** Gorman-Rupp is a well-established brand known for manufacturing robust, long-lasting hydraulic and gear pumps. This model is designed for industrial and commercial applications, ensuring consistent performance over extended use.

2. **Proven Performance** The 1/2 GPM displacement (GH-C1) is a standard size in the industry, offering a good balance between flow rate (15 GPM at 3 HP) and pressure handling. It is suitable for medium-duty applications such as irrigation, light industrial processes, or mobile equipment.

3. **Compatibility with Common Systems** The 1.5 NPT port size is standard in many hydraulic and fluid transfer systems, making it easy to integrate into existing setups without requiring custom fittings.

4. **Efficient Power Requirement** The 3 HP motor rating is appropriate for this flow rate, ensuring energy efficiency without overloading the system. This reduces operational costs compared to larger, more powerful pumps for similar applications.

5. **Low Maintenance Needs** Gear pumps like this one typically have fewer moving parts than positive displacement pumps (e.g., piston or vane pumps), leading to simpler maintenance routines. Regular lubrication and occasional seal checks are usually sufficient.

6. **Versatility in Fluid Handling** This pump can handle a variety of fluids, including water, light oils, and some thin chemicals, provided they meet the manufacturer s viscosity and contamination guidelines. It is not designed for abrasive or highly viscous fluids without modifications.

7. **Aftermarket Support** Gorman-Rupp has a wide network of distributors, dealers, and technical support, making it easier to find replacement parts, service manuals, or troubleshooting assistance if needed.

8. **Cost-Effective for Mid-Range Applications** While not the cheapest pump on the market, it offers a reasonable balance between price and performance for applications requiring 15 GPM at moderate pressures (typically up to 100-200 PSI, depending on system setup).

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1. **Limited High-Pressure Capability** This pump is not designed for high-pressure applications (e.g., above 200-300 PSI). For pressures significantly higher than its rated capacity, internal seals and bearings may wear out faster, leading to leaks or failure.

2. **Sensitivity to Contaminants** Gear pumps are prone to damage from particulate contamination in the fluid. If the system lacks proper filtration, the pump s internal gears and seals may wear prematurely, reducing lifespan and increasing maintenance costs.

3. **Noise and Vibration** Gear pumps can generate more noise and vibration compared to smoother-running pumps like centrifugal or progressive cavity models. This may be a concern in noise-sensitive environments or applications requiring precise control.

4. **Flow Rate Limitations** At 15 GPM, this pump is not suitable for high-volume applications. For larger flow requirements, a multi-pump system or a higher-displacement pump would be necessary.

5. **Pressure Fluctuations** Gear pumps can experience pressure pulsations due to the intermittent flow created by the meshing gears. This may require additional dampening components (e.g., accumulators or snubbers) in sensitive systems.

6. **Limited Temperature Range** While it can handle a range of temperatures, extreme heat or cold can affect seal integrity and fluid viscosity, potentially reducing efficiency or causing operational issues.

7. **Higher Initial Cost Than Simpler Pumps** Compared to basic centrifugal pumps or diaphragm pumps, this gear pump is more expensive upfront. The added cost may not be justified for low-pressure, low-flow applications where simpler alternatives would suffice.

8. **Specialized Installation Requirements** Proper alignment, priming (if applicable), and lubrication are critical for optimal performance. Improper installation can lead to reduced efficiency, increased wear, or premature failure.

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The **Gorman-Rupp 1/2 GF3-B0004 (GH-C1) gear pump** is a solid choice for **medium-duty, mid-flow applications** where reliability, durability, and moderate pressure handling are priorities. It excels in **industrial, commercial, or mobile systems** requiring consistent flow (15 GPM) at **3 HP**, such as:

- Light irrigation systems.

- Hydraulic power units for small machinery.

- Fluid transfer in manufacturing or processing plants.

- Mobile equipment (e.g., trailers, boats, or construction attachments).

- High-pressure applications (above 200-300 PSI).

- Extremely high-volume or low-viscosity fluid handling without proper filtration.

- Noise-sensitive environments without additional dampening.

- Budget-conscious applications where simpler pumps (e.g., centrifugal) would suffice.

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- Your application requires **15 GPM at moderate pressures** (typically under 200 PSI).

- You need a **reliable, long-lasting pump** from a trusted manufacturer.

- Your system can accommodate **proper filtration and maintenance** to prevent contamination-related wear.

- You are working in an **industrial or commercial setting** where durability and efficiency are critical.

- You need **higher pressure** (e.g., above 300 PSI) opt for a **positive displacement pump with higher pressure ratings** (e.g., a triplex plunger pump).

- Your application involves **abrasive or highly viscous fluids** a **progressive cavity pump** or **diaphragm pump** may be more suitable.

- You require **lower noise levels** a **centrifugal pump** or **screw pump** might be a quieter option.

- Your budget is tight a **basic gear pump or centrifugal pump** from a different manufacturer could be a cost-effective alternative.

**Final Verdict:** This Gorman-Rupp pump is a **well-rounded, dependable choice** for its specified range of applications. Ensure your system s requirements align with its capabilities, and prioritize **proper installation, filtration, and maintenance** to maximize its lifespan and performance.

Details:

Condition Used. Pump Type and Construction: Cast Iron Positive Displacement Rotary Gear. And the cost of return shipping. Country of Manufactures.

Model GHC1 1/2GF3-B0004. In Good Used Condition, Removed from a Working Environment. Ask our experts. Part Number 1/2GF3-B0004.

Items in Lot1. Intake Size: 1-1/2 NPT.

part #: 12gf3b0004 prices

• $709.70-$1700.00

specifications valvplu:

• brand: Gorman Rupp
• mpn: 1/2gf3-b0004
• model: Ghc1 1/2gf3-b0004
• part type: Gear Pump

returns valvplu:

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

seller valvplu:

• city: Millersburg, Indiana
• rating: 99.9%
• # reviews: 18862

payments valvplu:

• wallet: Google-pay
• credit card: Visa
• other

offer valvplu:

• availability: In Stock
• quantity: 1
• sold: 0
• best offers: True
• options: Ship-to-home
• started: April 2, 2026

general valvplu:

• Pumps Pump Accessories > Vacuum Pumps > Rotary Gear Pumps
• condition: Used

shipping valvplu:

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