The V2051 Pump Head is a highly efficient and compact V-type, dual-cylinder piston head, engineered for small to medium-sized belt-driven air compressors. As the direct power source of the system, it works seamlessly with the previously discussed single-phase and three-phase electric motors, translating electrical energy into high-pressure compressed air. Its robust cast iron construction and optimized cylinder configuration make it ideal for workshops requiring reliable air supply for light industrial tools and spray painting applications.
1. Key Technical Specifications
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Model: V2051
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Configuration: V-Type, Dual-Cylinder (Single-Stage Compression)
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Material: Heavy-Duty Cast Iron (Crankcase & Cylinders)
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Cooling Method: Finned Cylinder Sleeves with Forced Air Cooling
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Drive System: Belt-Driven (Requires separate electric motor)
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Motor Compatibility: Optimized for 1.1kW - 2.2kW (1.5HP - 3HP) Electric Motors
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Displacement: Approximately 170 L/min (depending on motor RPM and operating pressure)
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Working Pressure: Rated for 8 Bar (116 PSI)
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Cylinder Diameter: 51mm
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Key Components Included: Intake filter silencer, pressure gauge port, safety relief valve port, and a large-capacity finned flywheel for efficient self-cooling .
2. Primary Application Scenarios
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Automotive Service Centers: Ideal for light-duty tasks such as tire inflation, powering pneumatic ratchets, and basic spray painting .
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Woodworking & Carpentry Shops: Supports tools like nail guns, staplers, and small sanders .
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DIY & Home Workshop Upgrades: A perfect replacement or upgrade component for existing 50L or 100L belt-driven air compressor systems .
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Mobile Repairs & Contracting: Suitable for use in vans or job sites where portability and moderate air output are required .
3. Why Choose the V2051 Pump Head?
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Compact Industrial-Grade Durability: The thick-walled cast iron construction resists warping under thermal loads, while its smaller footprint allows for easier installation in tight spaces .
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Enhanced Cooling Efficiency: Deep, extruded cooling fins on both cylinders maximize surface area for heat dissipation, allowing for prolonged continuous operation .
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Precision Engineering: High-tolerance pistons and rings ensure minimal internal leakage, maximizing volumetric efficiency and reducing oil carryover .
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Easy Maintenance: Removable cylinder heads and accessible oil sump simplify routine inspections, gasket replacements, and valve servicing .
4. Comparative Advantages Over the V2065 Model
When choosing between the V2051 and V2065 pump heads, consider the following differences:
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Feature |
V2051 Pump Head |
V2065 Pump Head |
|---|---|---|
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Cylinder Diameter |
51mm |
65mm |
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Displacement |
~170 L/min |
~250 L/min |
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Motor Size |
1.1kW - 2.2kW (1.5HP - 3HP) |
2.2kW - 3HP (2.5HP) |
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Tank Capacity |
50L - 100L |
100L - 200L |
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Best For |
Light-duty workshops, DIY, mobile repairs |
Heavy-duty workshops, auto body, industrial use |
The V2051 is the ideal choice for users who require a reliable, compact pump head for smaller compressors, while the V2065 is better suited for heavy-duty applications.






