COLE-PARMER INSTRUMENTS 7518-02 Masterflex Pump Head L/s 7518-00

( Brand: Cole-parmer Instruments ), ( Manufacturer Part Number: 7518-02 ), ( Part Type: Pump Head ), ( Custom Label: No1 ), ( Condition Description: In Good Condition ), ( Dimensions: 4l X 4w X 2h ), ( Country Of Origin: United States )

Review COLE PARMER INSTRUMENTS Masterflex Easy load L/s Pump Head Size

The **Cole-Parmer 7518-02 Masterflex Easy-Load L/S Pump Head** paired with the **7518-00 Masterflex Easy-Load Peristaltic Pump** represents a versatile and precision-engineered solution for fluid transfer applications across a wide range of industries, from laboratory research and pharmaceutical development to industrial processing and environmental monitoring. This pump system is designed with the **Easy-Load technology**, a proprietary feature that eliminates the need for traditional roller adjustments, allowing operators to effortlessly set flow rates by simply rotating a dial to select the appropriate pump head size **13, 14, 16, 17, 18, or 25** each corresponding to a distinct flow range and tubing size. The modular **7518-02 pump head** is constructed from durable, corrosion-resistant materials, ensuring compatibility with a broad spectrum of fluids, including corrosive chemicals, solvents, and sensitive biological samples, while maintaining consistent performance under varying pressure conditions. Its **self-priming capability** and **non-pulsating flow** make it ideal for applications requiring gentle yet reliable fluid handling, such as cell culture media delivery, reagent dispensing, or precise dosing in analytical instruments. The pump s **smooth, silent operation** is achieved through the use of **high-quality, low-friction tubing** that conforms to the pump head s rollers, reducing wear and extending the lifespan of both the tubing and the pump itself. Additionally, the **Easy-Load system s intuitive design** minimizes setup time, as users can quickly swap pump heads to accommodate different flow requirements without the need for complex calibrations or recalibrations. Whether used in a controlled laboratory environment or a rugged industrial setting, this pump system delivers **consistent, accurate, and repeatable performance**, making it a cornerstone of fluid transfer solutions for professionals who demand reliability and precision in their workflows.

### **Pros and Cons of buying a Cole-Parmer Masterflex Easy-Load L/S Pump (Model 7518-02 with 13/14/16/17/18/25 Pump Heads)**

#### **Pros**

1. **Versatility and Compatibility**

The Masterflex Easy-Load L/S series is designed for a wide range of laboratory and industrial applications, including fluid transfer, dosing, and sample preparation. The interchangeable pump heads (13, 14, 16, 17, 18, and 25) allow for flexibility in flow rates and tubing sizes, accommodating different viscosity fluids and experimental needs. This makes it suitable for both routine and specialized tasks.

2. **Easy-To-Use Design**

The "Easy-Load" feature simplifies tubing installation no tools are required to attach or remove tubing, reducing setup time and minimizing the risk of leaks or misalignment. This is particularly beneficial for users who frequently change tubing or perform quick adjustments.

3. **Adjustable Flow Rate Control**

The pump offers precise flow rate control via a simple dial or digital interface (depending on the model variant), allowing for fine-tuning of fluid delivery. This is essential for applications requiring consistent and reproducible results, such as cell culture, chromatography, or chemical synthesis.

4. **Durability and Reliability**

Cole-Parmer is a well-established brand known for producing high-quality laboratory equipment. The Masterflex pumps are built to withstand frequent use, with durable materials (e.g., stainless steel components, reinforced tubing) that resist wear and corrosion. This longevity reduces the need for frequent replacements or repairs.

5. **Wide Range of Tubing Options**

The pump is compatible with various tubing materials (e.g., silicone, Tygon, PVC, or PTFE), which can be selected based on the chemical compatibility and viscosity of the fluid being pumped. This ensures safe and efficient operation across different applications, from aqueous solutions to corrosive or viscous liquids.

6. **Compact and Portable Design**

The pump is relatively compact and lightweight, making it easy to integrate into benchtop setups or transport between locations. This portability is advantageous for fieldwork, mobile laboratories, or shared research facilities.

7. **Low Maintenance**

The design minimizes maintenance requirements. The lack of internal seals (in some models) reduces the risk of leaks, and the open tubing system allows for easy cleaning or replacement. Regular maintenance typically involves only checking for tubing wear or debris buildup.

8. **Cost-Effective for Long-Term Use**

While the initial purchase price may be moderate, the pump s durability and versatility often justify the investment. Users can avoid purchasing multiple pumps for different applications, and the ability to upgrade tubing or heads as needed extends the pump s useful life.

---

#### **Cons**

1. **Limited Maximum Pressure and Flow Rate**

The Masterflex Easy-Load L/S series is not designed for high-pressure or high-flow applications. The maximum pressure typically ranges around 10 15 psi (depending on the head), which may be insufficient for applications requiring higher pressures (e.g., some industrial processes or high-viscosity fluids). Similarly, flow rates are moderate, which could be a limitation for large-scale or high-throughput operations.

2. **Potential Tubing Wear Over Time**

While the pump is durable, the tubing itself may degrade over prolonged use, especially if exposed to harsh chemicals or high temperatures. Frequent tubing changes can add to the long-term cost of ownership, particularly if specialized or expensive tubing is required.

3. **Noisy Operation**

Some users report that the pump can be relatively noisy during operation, which may be disruptive in quiet laboratory environments or sensitive experimental setups. This is generally not a critical issue but could be a minor inconvenience.

4. **Learning Curve for Optimal Performance**

Achieving consistent and accurate flow rates may require some trial and error, especially for users new to peristaltic pumps. Proper tubing selection, alignment, and pump speed calibration are crucial for optimal performance, and inexperienced users might initially struggle with these adjustments.

5. **Limited Digital Features (in Basic Models)**

The basic Easy-Load L/S models lack advanced digital controls (e.g., programmable timers, flow rate logging, or connectivity to software). Users requiring automated or data-logged operations may need to invest in higher-end models or additional accessories, which can increase the overall cost.

6. **Compatibility Issues with Certain Fluids**

While the pump supports a wide range of tubing materials, some fluids (e.g., highly acidic, alkaline, or organic solvents) may degrade certain tubing types. Users must carefully select tubing based on chemical compatibility to avoid leaks or contamination.

7. **Replacement Parts Availability**

While Cole-Parmer has a strong reputation, some users have reported occasional delays in receiving replacement parts or tubing. This is not a widespread issue but could be a concern in urgent or mission-critical applications.

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### **Conclusion**

The Cole-Parmer Masterflex Easy-Load L/S pump (with interchangeable heads 13, 14, 16, 17, 18, and 25) is a highly versatile, user-friendly, and reliable tool for laboratory and light industrial applications. Its ease of use, durability, and compatibility with various fluids make it an excellent choice for researchers, technicians, and engineers who require a flexible and low-maintenance peristaltic pump. However, its limitations in high-pressure or high-flow applications, potential tubing wear, and lack of advanced digital features in basic models may necessitate additional considerations depending on specific use cases.

For users prioritizing simplicity, cost-effectiveness, and broad applicability, this pump is an excellent investment. Those requiring high-pressure capabilities, automated controls, or large-scale operations may need to explore alternative models or complementary equipment.

### **Recommendation**

- You need a versatile, easy-to-use pump for general laboratory fluid transfer, dosing, or sample preparation.

- Your applications involve moderate flow rates and pressures (under 15 psi).

- You require interchangeable tubing and heads for different fluids and viscosities.

- You prefer a low-maintenance, durable pump with minimal setup time.

- You require high-pressure or high-flow capabilities (e.g., industrial processes).

- Advanced digital controls (e.g., programmable timers, data logging) are essential.

- Your workflow involves highly corrosive or abrasive fluids that may damage standard tubing.

- You need a pump with built-in safety features (e.g., over-pressure protection) for critical applications.

For most standard laboratory or light industrial uses, the Masterflex Easy-Load L/S pump is a well-rounded and cost-effective solution. Pair it with the appropriate tubing and heads for your specific fluids to maximize its performance and longevity.

Details:

The Cole-Parmer Masterflex Easy-Load L/S 7518-00 Pump Head is a high-quality peristaltic pump head designed for use with tubing sizes 13, 14, 16, 17, 18, and 25. Fast and Free Shipping. Tested and Works. Made in the USA by Cole-Parmer Instruments, this pump head features a compact design measuring 4 length , width , and 2 height .

The Easy-Load design makes it simple to install and maintain, making a reliable choice for various industrial applications requiring precise efficient pumping.

part #: 751802 prices

• $80.00-$300.00

specifications valvplu:

• brand: Cole-parmer Instruments
• mpn: 7518-02
• part type: Pump Head
• custom label: No1
• condition description: In Good Condition
• dimensions: 4l X 4w X 2h
• country of origin: United States

offer valvplu:

• options: Ship-to-home
• availability: In Stock
• started: April 23, 2026
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• condition: Used
• Pumps Pump Accessories > Vacuum Pumps > Peristaltic Pumps

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• # reviews: 745

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