RW21-SX | 5.5 GPM Pump 1450 RPM Left-Hand Drive 24mm Shaft

Annovi Reverberi RW21-SX Left-Hand Shaft Triplex Plunger Pump

The Annovi Reverberi RW21-SX is a specialty left-hand shaft plunger pump engineered for commercial and industrial cleaning systems that require a reverse-drive configuration. Delivering 5.5 GPM at 1,450 PSI, this pump operates smoothly at 1,450 RPM and features premium internal components for long-term durability and reliability. Its 24mm left-hand solid shaft makes it ideal for mirrored installations, dual-pump systems, and custom rigs that cannot use standard right-hand orientation.

Built with a brass manifold, stainless steel valves, and ceramic plungers, the RW21-SX is designed for continuous-duty performance in demanding environments. This pump is a top choice for professional cleaning contractors, OEM system builders, and operators requiring dependable power in specialized left-hand setups.

Key Specifications of RW21-SX

• Flow Rate: 5.5 GPM
• Pressure: 1,450 PSI
• Speed: 1,450 RPM
• Shaft: 24mm solid, left-hand orientation
• Head Material: Precision-machined brass manifold
• Valves: Stainless steel, corrosion-resistant
• Plungers: High-strength ceramic plungers
• Maintenance Features: Oil sight glass & vented dipstick
• Testing: Factory-tested for performance & reliability
• Warranty: 5-year commercial warranty with U.S.-based support

What’s Included with RW21-SX

• Factory prefilled break-in oil
• Oil sight glass for easy visual monitoring
• Vented dipstick for proper crankcase ventilation
• Detailed schematic and owner’s manual
• Performance test report confirming flow and pressure
• 5-year commercial warranty and nationwide service support

Why Choose a Left-Hand Shaft Pump?

The RW21-SX solves installation challenges where reverse-drive or mirrored configurations are required. The left-hand shaft orientation eliminates the need for adapters or complex redesigns.

Ideal For:

• Dual-pump systems requiring left and right orientation
• Trailer-mounted rigs needing mirrored equipment placement
• Specialty OEM builds requiring reverse shaft rotation
• Contractors needing a true left-hand drive pump without modifications

Built for Durability

• Brass Manifold: Corrosion-resistant and long-lasting
• Stainless Steel Valves: Reliable sealing and consistent flow
• Ceramic Plungers: Reduce wear and extend seal life
• Oversized Bearings: Smooth operation with reduced vibration
• Heavy-Duty Seals: Leak-free performance under high pressure

Benefits of the RW21-SX

• Purpose-built left-hand shaft orientation
• Reliable 5.5 GPM at 1,450 PSI output
• Compact and versatile for tight installations
• Easy maintenance with sight glass and dipstick
• Commercial-grade durability for daily operation
• Backed by a 5-year warranty and U.S.-based support network

Applications

• Commercial pressure washing systems with left-hand drive setups
• Fleet wash stations for buses, trucks, and commercial vehicles
• Manufacturing plant equipment washdown
• Agricultural machinery rinsing
• Construction equipment cleaning
• Industrial facility maintenance and sanitation

Conclusion

The Annovi Reverberi RW21-SX delivers 5.5 GPM at 1,450 PSI with a 24mm left-hand shaft, making it the ideal solution for specialized installations, mirrored pump configurations, and custom-built cleaning systems. Constructed with a brass manifold, stainless valves, and ceramic plungers, this pump offers long-lasting durability and reliable output for continuous-duty applications.

Factory-tested and ready to install, the RW21-SX includes break-in oil, a dipstick, a sight glass, and full documentation. Supported by a 5-year commercial warranty and nationwide service network, it provides dependable performance for contractors, OEMs, and industrial operators seeking a true left-hand shaft solution.