GREYLOR PQ-12-DC Mini Diaphragm Pump Lab Chemical Fluid 12V Transfer

( Brand: Greylor ), ( Manufacturer Part Number: PQ-12-DC ), ( Part Type: Chemical Fluid Pump Transfer )

Review GREYLOR 12v Mini Diaphragm Pump Lab Chemical Fluid Transfer

The **Greylor PQ-12-DC 12V Mini Diaphragm Pump** is a compact yet highly efficient laboratory and chemical fluid transfer solution, meticulously engineered for precision, reliability, and versatility in demanding applications. This portable, battery-powered pump features a robust **diaphragm-driven mechanism**, delivering consistent and pulsation-free fluid movement with minimal shear forces, making it ideal for handling sensitive samples, corrosive chemicals, or low-viscosity liquids without compromising integrity. Constructed from high-quality materials, including a **durable plastic housing** and corrosion-resistant components, the PQ-12-DC is designed to withstand frequent use in laboratory environments while maintaining durability and longevity. Its **12V DC operation** provides flexibility for integration with power supplies, car adapters, or direct battery connections, ensuring seamless operation in both stationary and mobile setups. The pump s **low-profile design** and lightweight construction make it easily portable, allowing for convenient transfer of fluids between containers, reactors, or analytical instruments without the need for bulky or noisy equipment. With a **flow rate of up to 120 mL/min** and a maximum pressure of **0.5 bar**, it strikes an optimal balance between efficiency and precision, making it suitable for applications such as sample preparation, reagent dispensing, vacuum assistance, or even gentle filtration processes. Additionally, its **self-priming capability** ensures quick startup and eliminates airlock issues, while the **reverse flow control** feature allows for easy cleaning or maintenance without disassembly. Whether used in academic research, industrial testing, or clinical diagnostics, the Greylor PQ-12-DC stands out as a dependable tool for fluid transfer tasks where reliability, compactness, and chemical compatibility are paramount.

### **Pros and Cons of the Greylor PQ-12-DC (12V Mini Diaphragm Pump for Lab/Chemical Fluid Transfer)**

1. **Compact and Portable Design** The mini diaphragm pump is small and lightweight, making it ideal for laboratory settings where space is limited. Its 12V DC operation allows for easy integration with battery-powered or low-voltage systems.

2. **Versatile Fluid Handling** Suitable for transferring a wide range of fluids, including chemicals, solvents, oils, and even some corrosive liquids (depending on material compatibility). It can handle both air and liquid applications.

3. **Low Noise Operation** Diaphragm pumps are generally quieter than centrifugal or peristaltic pumps, which is beneficial in sensitive lab environments.

4. **Self-Priming Capability** Unlike some pumps, this model can draw fluid from a reservoir without requiring pre-priming, reducing setup time.

5. **Adjustable Flow Rate** Many diaphragm pumps allow for flow rate control, making them adaptable to different experimental or industrial needs.

6. **Durable Construction** Greylor pumps are often built with corrosion-resistant materials (e.g., stainless steel, PTFE, or PVDF), which enhances longevity in chemical environments.

7. **Easy Maintenance** Diaphragm pumps typically have fewer moving parts than other types, simplifying cleaning and replacement of wear items (e.g., diaphragms).

8. **Low Shear Operation** Gentle fluid handling minimizes shear stress on sensitive samples, which is crucial for biological or pharmaceutical applications.

9. **Compatibility with Lab Equipment** Can be connected to peristaltic tubing, syringes, or other lab accessories for precise fluid control.

10. **Energy Efficiency** 12V DC operation consumes less power than higher-voltage pumps, making it cost-effective for long-term use.

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1. **Limited Flow Rate** As a "mini" pump, its flow capacity is relatively low (typically in the range of mL/min to a few L/min), which may be insufficient for high-volume applications.

2. **Pressure Limitations** While adequate for many lab tasks, it may not generate high pressure compared to industrial-grade pumps, restricting use in high-pressure applications.

3. **Material Compatibility Issues** If the pump s internal components (e.g., diaphragms, seals) are not made of chemically resistant materials, exposure to aggressive solvents or acids could lead to degradation.

4. **Potential for Leakage** Improper installation or worn seals may cause leaks, especially when handling viscous or corrosive fluids.

5. **Higher Cost per Unit Volume** Compared to larger or more industrial pumps, the cost per liter moved may be higher due to its smaller size.

6. **Dependence on Power Supply** Requires a stable 12V DC source; fluctuations or power interruptions could disrupt operation.

7. **Limited Temperature Range** Most diaphragm pumps have temperature restrictions (e.g., 0 C to 60 C), which may not suit high-temperature applications.

8. **Wear and Tear on Diaphragms** Frequent use with abrasive or particulate-laden fluids can shorten diaphragm life, increasing maintenance costs.

9. **Not Suitable for High-Viscosity Fluids Without Modifications** While it can handle some viscous liquids, extreme viscosity may require additional accessories (e.g., pre-filters).

10. **Learning Curve for Optimal Use** Users may need to experiment with flow rates, tubing sizes, and priming techniques to achieve optimal performance.

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The **Greylor PQ-12-DC 12V mini diaphragm pump** is an excellent choice for **precision fluid transfer in laboratory settings**, particularly where portability, low noise, and gentle handling are priorities. Its compact size, chemical resistance, and ease of use make it ideal for **small-scale experiments, chemical synthesis, biological sample handling, or low-pressure applications**. However, its **limited flow rate, pressure constraints, and material compatibility concerns** mean it is not suitable for **high-volume, high-pressure, or abrasive fluid applications**.

If your requirements align with **low-to-moderate flow needs, chemical compatibility, and lab-friendly operation**, this pump is a strong recommendation. For **industrial-scale or high-demand applications**, a larger or more robust pump may be necessary.

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- You need a **compact, portable pump** for lab or fieldwork.

- Your fluids are **non-abrasive and within the pump s material compatibility**.

- You require **low noise, self-priming, and adjustable flow** for precise experiments.

- Your application involves **low to moderate pressure** (e.g., syringe filling, chemical dispensing, peristaltic-like transfer).

- You need **high flow rates or pressure** (consider a centrifugal or gear pump instead).

- Your fluids are **highly corrosive or abrasive** without verified material compatibility.

- You require **continuous heavy-duty use** without regular maintenance checks.

- Your setup lacks a **stable 12V DC power source**.

For most **academic, research, or small-scale industrial labs**, this pump offers a **good balance of performance and practicality**. Always verify the **specific fluid compatibility** and **operating conditions** with Greylor s documentation before purchase.

Details:

Condition Testing. Brand: Greylor. Internal components and performance are unknown. Condition: Used Untested.

Unit is in clean physical condition. Most equipment from this lab has been functional when previously sold. Pulled from an active working laboratory environment. Will not be eligible for return.

Used for parts harvesting. Based on prior sales from this same source, the vast majority of equipment has proven functional once installed and properly configured. It is in good cosmetic condition and was part of operational equipment at the time removal. MPN: PQ-12-DC.

Greylor PQ-12-DC miniature diaphragm pump designed for precision fluid transfer and metering applications. Pulled from an operational lab. Application: Fluid Transfer / Metering. Type: Diaphragm Pump.

Disassembled. Operational status untested. Model: PQ-12-DC. Do not run dry.

Important Purchase Notice. voltage : 12V DC. Commonly used in analytical systems, chemical dosing, and laboratory equipment where controlled low-volume liquid movement is required. This item was recently removed from an active working laboratory environment.

part #: pq12 prices

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• brand: Greylor
• mpn: Pq-12-dc
• part type: Chemical Fluid Pump Transfer

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• Pumps Pump Accessories > Vacuum Pumps > Diaphragm Pumps

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