About the Annovi Reverberi XWF26.20N-SX Triplex Plunger Pump
Reverse-Drive, High-Flow Pump for Commercial Systems
The Annovi Reverberi XWF26.20N-SX is a commercial-grade triplex plunger pump engineered for
reverse-drive systems requiring a left-hand 24 mm shaft. Delivering 7.0 GPM at 2,900 PSI,
it provides an ideal balance of high flow, strong working pressure, and flexible shaft orientation for industrial and
contractor-grade wash systems.
Operating at a low 1,450 RPM, the XWF26.20N-SX minimizes heat, vibration, and mechanical wear—helping
extend service life and maintain smooth, continuous-duty performance. Its reverse-drive design makes it an excellent
fit for custom trailer builds, fixed industrial wash bays, and space-restricted belt-drive layouts where standard
right-hand pumps will not package easily.
Key Specifications
Performance & Construction Details
- Flow Rate: 7.0 GPM
- Maximum Pressure: 2,900 PSI
- Operating Speed: 1,450 RPM (low-RPM design)
- Shaft Type: 24 mm solid left-hand shaft
- Pump Style: horizontal triplex plunger pump
- Plungers: ceramic plungers for long-term wear resistance
- Seals: industrial-grade high-performance seal pack
- Manifold: forged brass for strength and corrosion resistance
- Maintenance Features: oil sight glass and vented dipstick
- Warranty: 5-year commercial warranty
What’s Included with XWF26.20N-SX
Factory-Prepared Pump Package
- Factory pre-filled crankcase with break-in oil
- Vented dipstick for crankcase pressure control and easy oil checks
- Oil sight glass for fast visual oil-level monitoring
- User manual with installation, operation, and maintenance guidelines
- Schematic documentation and exploded parts diagram
- Factory performance validation test results
- Full 5-year commercial warranty coverage
Designed for Reverse-Drive Systems
Left-Hand Shaft for Packaging & Layout Flexibility
The XWF26.20N-SX is engineered specifically for equipment that requires a left-hand, 24 mm solid shaft.
This reverse-drive configuration allows system designers to use counterclockwise engines or motors, mirror existing
layouts, or fit pumps into tight frames where a standard right-hand shaft would conflict with other components.
In mobile trailers, custom belt-drive units, and compact industrial skids, the reverse orientation opens up more
options for pump placement, pulley alignment, and hose routing—without sacrificing flow or pressure performance.
Rugged Build for Demanding Applications
Heavy-Duty Internal Components
The XWF26.20N-SX is equipped with precision ceramic plungers, a forged brass manifold,
and industrial-grade seals, all chosen to withstand continuous commercial use. The ceramic plungers
resist wear and heat at the sealing surface, while the forged brass head handles pressure cycling and harsh wash
environments.
An oversized crankcase and reinforced bearings help reduce operating temperature and stabilize the drive under load,
improving both longevity and smoothness. Every pump is factory-tested prior to shipment to confirm
performance and ensure it is ready for commercial duty out of the box.
Benefits of the XWF26.20N-SX
Performance, Orientation, and Serviceability
- Reverse-drive capability: left-hand shaft supports counterclockwise engines and motors.
- High-output performance: 7.0 GPM at 2,900 PSI for strong, dependable cleaning power.
- Low-RPM operation: 1,450 RPM for cooler, quieter running and reduced wear.
- Durable construction: ceramic plungers, forged brass manifold, and premium seals minimize downtime.
- Easy maintenance: integrated sight glass and vented dipstick simplify routine service checks.
- Commercial warranty: backed by a 5-year warranty with U.S.-based support.
Ideal Applications
Where the XWF26.20N-SX Excels
- Parking garage and municipal facility cleaning systems
- Industrial tank and piping washdown installations
- Fire station vehicle bays and equipment rinse stations
- Food-grade and USDA-compliant sanitation systems (with appropriate accessories)
- Fleet cleaning for buses, trucks, and municipal vehicles
- Contractor trailer builds requiring reverse-rotation belt-drive systems
Why Choose the XWF26.20N-SX?
Reverse-Drive Flexibility with Proven AR Performance
The XWF26.20N-SX delivers the same robust flow, pressure, and durability as the standard XWF26.20N,
with the added advantage of a left-hand shaft for reverse-drive compatibility. This makes it a key
choice for custom-engineered wash systems where shaft orientation and rotation direction are critical to frame layout
and driveline design.
With factory-tested reliability, heavy-duty internals, low-RPM efficiency, and a
5-year commercial warranty, the XWF26.20N-SX provides long-term performance and peace of mind for
professional cleaning operations that demand both power and packaging flexibility.



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