Description
Product Parameters
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Suitable for | Progressive lubrication systems | Pump core specifications | PE125/PE175 |
| Single-outlet single-stroke displacement | 0.125cm³/0.175cm³ (Depends on pump core) | Operating pressure | 350 bar |
| Safety valve set pressure | 300 bar | Pumped medium | Oil viscosity not higher than NLGl-cl2 |
| Operating temperature | -35~+70°C | Number of oil outlets | 1-4 (Up to 6 exits customizable) |
| Outlet pipe diameter | Ø6mm | Installation requirements | Oil drum perpendicular to horizontal plane |
| IP Code | IP6K9K | Weight | 5.6kg (Single pump core with safety valve, no grease) |
| Driver type | DC speed reduction motor | Working voltage | 12/24VDC |
| Incoming current | Max. 3.5/2.2A | Stall current | Max. 8.5/6.0A |
| Speed (pump scraper speed) | 17r.p.m |
Product Overview
The EP-EALP-G Series Electric Drive Piston Pumps are specifically designed for lubrication systems in heavy-duty machinery such as XCMG excavators. This series offers an efficient and reliable solution for precise lubrication, ensuring smooth operation in demanding environments. It serves as a replacement for BEKA EP/EP-1 pumps, providing superior performance, longer durability, and lower maintenance costs.
This series of pumps delivers high-efficiency grease delivery, excellent durability, and minimal maintenance needs. Ideal for heavy-duty applications where continuous lubrication is critical, such as with excavators and other large construction equipment, the EP-EALP-G Series is a trusted alternative to the BEKA EP/EP-1, offering high adaptability and compatibility for overseas clients.
Difference Between Piston and Plunger Pumps
While both piston and plunger pumps are commonly used in lubrication systems, there are distinct differences in their operation and application. Plunger pumps typically use larger diameter plungers with longer strokes to provide higher flow rates, whereas piston pumps use smaller pistons for more precise, high-pressure grease delivery.
The EP-EALP-G Series utilizes electric-driven piston pumps, which are more suitable for high-pressure, precision lubrication applications. In comparison, plunger pumps are more effective in low-pressure, high-flow situations. Piston pumps, like those in the EP-EALP-G Series, are ideal for applications requiring precise lubrication control and stable performance over long periods, particularly in systems with multiple lubrication points.
Types of Piston and Plunger Pumps
Understanding the different types of piston and plunger pumps is essential when choosing the right lubrication system. Piston pumps can be classified into single-stage and multi-stage pumps, and plunger pumps can be categorized into direct-drive motor pumps and gear-reduction pumps.
The EP-EALP-G Series is a direct-drive electric piston pump, which provides a higher flow rate and adjustable pressure, making it particularly well-suited for heavy-duty machinery like XCMG excavators. This pump type ensures reliable and consistent lubrication performance under extreme operating conditions, offering better longevity and system reliability compared to other types.
Piston Pump Working Principle
The piston pump works by using an electric motor to drive the piston in a reciprocating motion within the pump body. This motion draws in grease and then pushes it out at a high pressure to deliver lubrication to various points in the system. The pump maintains a constant pressure output, ensuring the lubrication system operates smoothly, even under high load conditions.
The EP-EALP-G Series piston pump utilizes a high-performance electric drive system that guarantees stable lubrication at multiple work points. It also features advanced safety mechanisms such as pressure regulation, relief valves, and air release systems, ensuring long-term reliability and performance. These features help reduce maintenance needs and operating costs, making it a cost-effective solution for machinery maintenance.
Application Scenarios and Replacement Benefits
The EP-EALP-G Series Electric Drive Piston Pumps are specifically designed for lubrication systems in heavy-duty machinery, including excavators, construction vehicles, and large agricultural equipment. In these applications, lubrication plays a critical role in ensuring that key components receive sufficient lubrication during high-intensity operations, preventing premature wear and breakdowns, and extending the lifespan of the equipment.
As a replacement for the BEKA EP/EP-1 series pumps, the EP-EALP-G Series offers excellent compatibility. Its design allows for a seamless fit with various equipment interfaces, making it an easy and efficient alternative without requiring complex modifications. In addition, the EP-EALP-G Series provides improved pressure output and pump longevity, capable of handling higher operational pressures and offering extended service life, ultimately reducing long-term maintenance costs.
For overseas buyers, distributors, and OEM partners, the EP-EALP-G Series is not only an ideal replacement for outdated systems but also an upgrade that enhances the overall reliability of machinery. The pump’s high efficiency and low maintenance requirements significantly reduce the frequency of lubrication system failures, ensuring that the equipment operates reliably even in harsh environments. By using the EP-EALP-G pump, customers can reduce downtime, lower operating costs, and improve the overall efficiency of their equipment.
Installation Guidelines and Usage Tips
When installing the EP-EALP-G Series lubrication pump, it is important to ensure that the pump body is correctly aligned with the equipment’s interface to prevent leaks or performance issues. We recommend positioning the pump in a location that allows for proper cooling during operation and facilitates ease of access for future inspections and maintenance.
For electrical connections, the EP-EALP-G Series supports multiple voltage configurations (e.g., DC12V, DC24V, AC220V). Customers should choose the appropriate power connection based on their equipment’s power specifications. It’s crucial to ensure stable electrical connections and implement proper safety measures to protect electrical components from damage.
Regarding grease selection, it is recommended to use high-quality grease that is compatible with the pump body. The grease should have a viscosity and grade that meets the pump’s requirements. Commonly used grease grades such as NLGI 2 or higher are generally suitable, but the specific choice should be based on operating temperature, equipment load, and manufacturer recommendations. Additionally, when designing the piping system, it’s important to ensure that each lubrication point receives an even and sufficient amount of grease, avoiding any risk of under-lubrication and equipment wear.
For routine checks, users should regularly monitor the pump’s output pressure to ensure it remains within the normal range. If pressure drops or the pump fails to output grease properly, check for blockages or leaks in the lubrication system. Periodically inspect the pump’s seals for wear and replace them as needed. It’s also essential to discharge air from the pump to prevent grease contamination, ensuring that the system operates smoothly.
In terms of troubleshooting, here’s a simple guide to common issues and their solutions:
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Pressure drop: Check for seal integrity, leaks, or blockages in the pipeline.
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Low output: This may be caused by grease with too high a viscosity or air in the system. Check grease selection and perform air venting.
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Grease backflow: Ensure the return oil line is installed correctly to prevent grease from flowing back into the pump.
By following these installation and maintenance tips, you can ensure the EP-EALP-G Series lubrication pump operates efficiently for a long time, enhancing the reliability and lifespan of your equipment.
FAQ
What is the maximum operating pressure of the EP-EALP-G Series pump?
The EP-EALP-G Series is designed to handle an operating pressure of up to 350 bar, ensuring stable performance even under high-load conditions. The safety valve is set to 300 bar for added protection.
Can the EP-EALP-G Series pump be used in multiple lubrication points?
Yes, the EP-EALP-G Series pump can support 1 to 4 oil outlets by default, with the option for up to 6 exits if customized. This flexibility allows it to cater to lubrication systems with multiple points.
What type of grease should be used with the EP-EALP-G Series pump?
It is recommended to use grease with a viscosity not higher than NLGl-cl2. Common grease grades such as NLGI 2 are generally suitable, but the specific selection should be based on the operating conditions, temperature, and load.
How often should maintenance be performed on the EP-EALP-G Series pump?
Regular maintenance should include pressure monitoring, seal inspections, and air discharge. Check for leaks and blockages in the system every 6 months to ensure optimal performance and avoid costly downtime.
Customer Reviews
⭐⭐⭐⭐⭐ Marco Delgado, Maintenance Supervisor, HeavyWorks Equipment, Spain
We recently upgraded to the EP-EALP-G Series Grease Electric Drive Piston Pump for our fleet of excavators, and the results have been fantastic. The pump operates smoothly, keeps our machines well-lubricated, and has greatly reduced maintenance time. It’s a solid replacement for the BEKA EP/EP-1 and has improved our overall efficiency. Highly recommended!
⭐⭐⭐⭐⭐ Olga Bergström, Operations Manager, Nordic Excavators, Sweden
The EP-EALP-G Series Piston Pump was easy to install and integrates seamlessly with our existing systems. It’s performing as expected, providing consistent lubrication even under tough conditions. We’ve noticed a reduction in downtime and wear on our excavators since the switch. Great product for heavy machinery.
⭐⭐⭐⭐⭐ Luca Ferrari, Equipment Manager, Milan Construction, Italy
Switched to the EP-EALP-G Series Grease Pump for our excavators, and it’s been a great decision. The installation was straightforward, and the pump has been running without any issues. It delivers steady grease flow and works just as well, if not better, than the BEKA EP/EP-1. Definitely worth the investment for reliable machinery operation.
⭐⭐⭐⭐⭐ James Thompson, Operations Director, Riverstone Construction, UK
The EP-EALP-G Series Grease Pump is an excellent choice. We’ve been using it on our excavators for a few months now, and it’s been flawless. Keeps everything running smoothly with less vibration and noise. It was a bit pricier than alternatives, but the reliability and ease of use make it well worth it. Would buy again without hesitation.
