QBY Series Pneumatic Diaphragm Pump
The QBY Series stands as a cutting – edge pneumatic diaphragm pump that harnesses the power of compressed air. This advanced and innovative design positions it as an ideal choice for efficiently handling a wide array of challenging fluids across multiple industries, including chemical processing, food and beverage, pharmaceuticals, and wastewater treatment.
Key Features & Benefits
✔ Versatile Fluid Handling for Industrial Applications
- Corrosive Liquid Pumping: The QBY Series pneumatic diaphragm pump is specifically engineered to handle corrosive liquids with ease. Whether it’s acids, alkalis, or other aggressive chemicals, this pump can safely and effectively transfer them, protecting your equipment and ensuring a smooth production process.
- High – Viscosity Fluid Transfer: For industries dealing with thick and viscous substances like adhesives, paints, and slurries, this pump offers reliable performance. Its unique design allows it to move high – viscosity fluids without clogging or losing efficiency.
- Volatile/Flammable Substance Handling: Safety is paramount when dealing with volatile or flammable substances. The QBY Series pump, with its explosion – proof design (no electrical components), provides a secure solution for transferring these hazardous materials, minimizing the risk of accidents.
- Toxic Chemical Pumping: In environments where toxic chemicals are present, the zero – leakage design of this pump ensures that there is no contamination of the surrounding area. It safely contains the toxic substances within the pump system, protecting both the environment and personnel.
- Slurry Pumping with Particles: The pump can handle slurries containing particles up to 10mm in diameter. This makes it suitable for applications such as mining, where slurries with solid particles are common, as well as in the treatment of industrial wastewater with suspended solids.
✔ Safe & Eco – Friendly Operation for a Sustainable Future
- Explosion – Proof Design: By eliminating electrical components, the QBY Series pump is inherently explosion – proof. This makes it suitable for use in hazardous areas where flammable gases or vapors may be present, ensuring the safety of your operations.
- Zero Leakage Design: The pump’s zero – leakage design prevents any fluid from escaping during operation. This not only protects the environment from potential contamination but also reduces product loss, saving you money in the long run.
- Non – Polluting Operation: The pump operates in a non – polluting manner, making it an environmentally friendly choice. It does not emit harmful substances into the air or water, helping you comply with strict environmental regulations.
✔ Adjustable Performance for Customized Applications
- Flow Rate and Head Adjustment: The flow rate and head of the pump can be easily adjusted via an air valve. This allows you to fine – tune the pump’s performance according to your specific application requirements, ensuring optimal efficiency and productivity.
- Self – Priming Capability: With a self – priming capability of up to 6m, the pump can start pumping without the need for manual priming. This saves time and effort, especially in applications where frequent start – ups are required.
✔ Durable Construction for Long – Lasting Performance
- 8 Size Options: The QBY Series offers 8 different size options, ranging from 10mm (3/8″) to 100mm (4″). This wide range of sizes allows you to select the most appropriate pump for your specific flow and pressure requirements.
- 3 Material Choices: You can choose from three different materials for the pump body: aluminum alloy, cast iron, and stainless steel. Each material has its own unique properties, making it suitable for different applications. For example, stainless steel is highly corrosion – resistant, making it ideal for handling corrosive liquids, while aluminum alloy is lightweight and suitable for applications where weight is a concern.
- 4 Diaphragm Options: The pump comes with four different diaphragm options: nitrile rubber (NBR), neoprene (CR), fluorocarbon (FKM), and PTFE (Teflon®). These diaphragms offer different levels of chemical resistance, temperature tolerance, and durability, allowing you to select the most suitable one for your specific fluid handling needs.
Technical Specifications
- Max. Particle Size: 10mm
- Power Source: Compressed Air (3 – 8.5 bar)
- Self – Priming: Up to 6m
- Temperature Range: -20°C to +140°C (material dependent)
Parameters Table
| Model | Max Diameter (mm) | Max Air Supply Pressure (kbf/cm²) | Flow Rate Q (m³/h) | Suction Head (M) | Pressure (kgf/cm²) | Max. Air Consumption (m³/min) |
|---|---|---|---|---|---|---|
| QBY – 10 | 10 | 7 | 0 – 0.8 | 5 | 6 | 0.3 |
| QBY – 15 | 15 | 7 | 0 – 1 | 5 | 6 | 0.3 |
| QBY – 25 | 25 | 7 | 0 – 2.4 | 7 | 6 | 0.6 |
| QBY – 40 | 40 | 7 | 0 – 8 | 7 | 6 | 0.6 |
| QBY – 50 | 50 | 7 | 0 – 12 | 7 | 6 | 0.9 |
| QBY – 65 | 65 | 7 | 0 – 16 | 7 | 6 | 0.9 |
| QBY – 80 | 80 | 7 | 0 – 24 | 7 | 6 | 1.5 |
| QBY – 100 | 100 | 7 | 0 – 30 | 7 | 6 | 1.5 |
Additional Information
- Max Flow Rate: 20 l/min
- Max Suction Lift: 5 m
- Air Pressure: 2 – 8 bar
- Connection Compressed Air Inlet: F 1/4“ BSP
- Connections Fluid Inlet – Outlet: F 3/8” BSP
- Consumption Compressed Air: 110 l/min
- Weight: 1.1 kg
- Dimensions (W – P – H) (mm): 146x93x164
This pneumatic double – diaphragm pump has a self – priming capability of up to 5m suction lift and can operate in dry – running conditions. It requires no electric drive, making it suitable for use with fluids of higher viscosity and fluids containing particles up to 3mm in size. The pump body can be made of PP, with diaphragms in NBR + PTFE, balls in stainless steel, gaskets in EPDM, and seats in PP. It is constructed in accordance with directive ATEX 2014/34/EU – zone 2, ensuring safety in hazardous environments.
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