QBY Series Marine Pneumatic Diaphragm Pump – Explosion-Proof Multi-Purpose Pumping Solutions
Product Overview
The QBY Series Marine Pneumatic Diaphragm Pump delivers exceptional versatility for handling diverse marine pumping applications. Certified by leading classification societies including CCS, these air-operated pumps efficiently transfer everything from free-flowing liquids to challenging viscous media, combining the benefits of self-priming, submersible, sealed, and solids-handling pumps in one robust unit. Their explosion-proof design ensures safe operation in hazardous environments while handling toxic, flammable, and corrosive materials without risk.
Key Components & Features
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Multi-Material Diaphragms: Seven specialized diaphragm options for different chemical compatibilities
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Flexible Connections: 1/4″ to 3″ inlet/outlet options with flange or threaded connections
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Bottom Bolt Design: Dual-bolt connection ensures superior sealing and easy maintenance
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Customizable Valve Balls: Multiple material options for specific application requirements
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Explosion-Proof Operation: Safe for flammable and hazardous environments
Technical Performance Specifications
| Model | Flow Capacity (m³/h) | Maximum Head (m) | Air Consumption (m³/min) | Max Particle Size (mm) | Suction Lift (m) |
|---|---|---|---|---|---|
| QBY-10 | 0-0.8 | 50 | 0.3 | 1.0 | 5 |
| QBY-15 | 0-1.0 | 50 | 0.3 | 1.0 | 5 |
| QBY-25 | 0-2.4 | 50 | 0.6 | 2.5 | 7 |
| QBY-40 | 0-8.0 | 50 | 0.6 | 4.5 | 7 |
| QBY-50 | 0-12 | 50 | 0.9 | 8.0 | 7 |
| QBY-65 | 0-16 | 50 | 0.9 | 8.0 | 7 |
| QBY-80 | 0-24 | 50 | 1.5 | 10.0 | 7 |
| QBY-100 | 0-30 | 50 | 1.5 | 10.0 | 7 |
Performance Advantages
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True Self-Priming Capability: No need for initial priming – runs dry without damage
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Solids Handling Proficiency: Passes particles up to 10mm without clogging or damage
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Infinite Adjustability: Stepless flow and pressure control via air valve regulation
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Complete Fluid Isolation: Diaphragm separates medium from all working components
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Explosion-Proof Safety: Ideal for hazardous areas and volatile substances
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Maintenance-Free Operation: No lubrication required – operates without oil
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Corrosion Resistance: Handles aggressive chemicals and seawater applications
Certification & Compliance
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CCS (China Classification Society) Certified
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Marine-grade construction standards
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Explosion-proof certification for hazardous areas
Typical Marine Applications
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Bilge and ballast water transfer
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Chemical and fuel handling operations
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Wastewater and sludge pumping
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Tank cleaning and stripping operations
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Dewatering and drainage applications
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Hazardous material transfer
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Firefighting and emergency systems
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Lubricant and hydraulic oil transfer
The description/sizes may be different with goods, please check with us when order.
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