Description
The Comet LWD3020E is a professional-grade, high-speed triplex pump designed for direct-drive electric motors. It is a popular choice for those building compact, powerful electric pressure washers where a standard 3400 RPM motor is the power source.
Technical Specifications
| Feature | Specification |
| Flow Rate | 3.0 GPM |
| Max Pressure | 2000 PSI |
| Speed | 3400 RPM |
| Shaft Diameter | 5/8″ Hollow Shaft |
| Flange | NEMA 56C (Standard Electric Motor Mount) |
| Inlet Port | 1/2″ FPT |
| Outlet Port | 3/8″ FPT |
Key Features
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High-Speed Direct Drive: Engineered to bolt directly onto the face of a 3400 RPM electric motor. This eliminates the need for belts, pulleys, or gearboxes, creating a streamlined and portable footprint.
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Triplex Plunger Design: Provides a more consistent and powerful water flow than standard axial pumps. The triple-piston design is fully rebuildable, offering a long-term service life for commercial use.
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5/8″ Hollow Shaft: Precision-sized for standard 2 HP to 5 HP electric motor shafts. It features a simple keyway connection for reliable torque transfer.
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Solid Ceramic Plungers: These pistons are diamond-ground for a mirror finish. Ceramic is highly resistant to heat and abrasion, which prevents the seals from wearing down prematurely.
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Built-in Unloader Valve: Most “E” series pumps include an integrated unloader, allowing for easy pressure adjustment and bypass protection when the trigger is released.
Ideal Applications
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Commercial Detail Shops: The 3.0 GPM flow rate provides excellent rinsing volume for vehicle washing without the noise or fumes of a gas engine.
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Indoor Sanitization: Perfect for food processing areas, commercial kitchens, and breweries where electric power is required for indoor safety.
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Wall-Mounted Stations: Its compact design is ideal for space-saving installations in shops or garages.
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Professional Cleaning Skids: A reliable component for custom-built electric cleaning units.
Common Service Kits
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Water Seal Kit: 5019.0077.00
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Valve Kit: 5025.0014.00
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Oil Seal Kit: 5019.0079.00
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Piston Kit: 2409.0071.00


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