QBK-50SF Pneumatic Diaphragm Pump
The QBK-50SF Pneumatic Diaphragm Pump is a heavy-duty air operated double diaphragm (AODD) pump designed for industrial liquid transfer applications requiring reliable, safe, and low-maintenance performance.
The QBK series is widely used across industrial plants, marine operations, chemical handling systems, and wastewater applications due to its self-priming capability, dry-run operation, and ability to handle corrosive and abrasive fluids. (ylpump.en.made-in-china.com)
Reliable Air Operated Fluid Transfer Solution
The QBK-50SF pneumatic diaphragm pump operates using compressed air, making it suitable for hazardous and explosive environments where electrical pumps may not be ideal.
Its diaphragm pump design enables stable transfer of chemicals, sludge, wastewater, oils, solvents, and viscous liquids with minimal maintenance requirements. The pump is also capable of handling fluids containing particles and abrasive materials. (ylpump.en.made-in-china.com)
Key Features
- Air operated double diaphragm pump
- Self-priming operation
- Dry-run capable
- Suitable for hazardous environments
- Handles corrosive and abrasive fluids
- Low maintenance requirements
- Reliable industrial-grade construction
- Suitable for viscous liquid transfer
- Continuous-duty industrial performance
- Available in multiple material configurations
Typical Technical Specifications
Based on QBK-50 series specifications:
- Pump Size: 50mm / 2 inch
- Maximum Flow Rate: Up to 35.22 m³/h
- Maximum Head: Up to 84m
- Maximum Suction Lift: Up to 8m
- Maximum Particle Size: Up to 6–8mm
- Pneumatic air driven operation (ylpump.en.made-in-china.com)
Applications in Singapore
The QBK-50SF Pneumatic Diaphragm Pump is widely used across industrial and marine sectors.
Industrial Facilities
Suitable for chemical transfer, wastewater handling, sludge circulation, and industrial process systems. Learn more about our industrial pump solutions in Singapore.
Water Treatment Systems
Ideal for chemical dosing, sludge transfer, and wastewater circulation applications. Explore our water treatment pump solutions.
Marine & Offshore
Reliable for bilge transfer, wastewater systems, and offshore fluid handling operations. Discover the Grundfos product range for Singapore marine market.
Petrochemical & Manufacturing Plants
Suitable for aggressive chemical handling and industrial liquid transfer operations.
Food & Beverage Industry
Supports utility fluid handling and industrial cleaning applications.
Benefits of Pneumatic Diaphragm Pumps
Pneumatic diaphragm pumps are commonly used for demanding industrial applications due to their operational flexibility and safety advantages.
Benefits include:
- Safe operation in hazardous areas
- Reliable dry-run capability
- Excellent chemical compatibility
- Self-priming performance
- Strong industrial durability
- Easy maintenance access
- Suitable for abrasive and viscous fluids
Learn more about the history of Grundfos pumps and industrial pumping technologies supporting multiple industries worldwide.
Pump Supply & Technical Support in Singapore
We provide expert recommendations tailored to your application, from initial selection to system matching and cost optimisation.
Our services include:
- New pump supply
- Replacement pump recommendations
- Technical consultation
- Pump troubleshooting
- Spare parts support
- Repair and servicing
- System upgrade solutions
We support projects across:
- Commercial buildings
- Food & Beverages
- Semiconductor
- Industrial facilities
- Marine and offshore sectors
- Petrochemical and manufacturing plants
- Water treatment systems
Contact Us for Enquiries
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