RKA4G40HJ-F22 4.0 GPM 4000 PSI | 25mm shaft triplex pump

Overview

The Annovi Reverberi RKA4G40HJ-F22 Triplex Pump is a heavy-duty, industrial-grade pump delivering 4.0 GPM at 4000 PSI while operating at a low 1450 RPM. Built for continuous-duty operation, it provides cooler performance, reduced noise, and extended service life for industrial and commercial cleaning systems.

Key Specifications of RKA4G40HJ-F22

• Flow Rate: 4.0 GPM
• Maximum Pressure: 4000 PSI
• Operating Speed: 1450 RPM
• Shaft Type: 25mm solid shaft
• Flange Type: F22 SAE J609 engine flange
• Pump Type: RK-series heavy-duty triplex plunger pump
• Construction: Nickel-plated brass manifold, ceramic plungers, bronze connecting rods
• Bearings: Oversized tapered roller bearings
• Warranty: 5-year commercial warranty

What’s Included with RKA4G40HJ-F22

• Factory-filled break-in oil
• Vented dipstick
• Oil sight glass
• High-pressure seals and stainless steel valves (pre-installed)
• Mounting bolts for engine connection
• Operator’s manual
• Illustrated parts schematic

How the Pump Works RKA4G40HJ-F22

• Triplex ceramic plungers create consistent, low-pulsation flow.
• Low 1450 RPM operation reduces heat and vibration for longer life.
• Nickel-plated brass manifold resists corrosion in harsh environments.
• Bronze connecting rods and oversized bearings handle extreme-duty loads.
• F22 flange allows direct gas/diesel engine mounting.

Benefits

• 4000 PSI cleaning performance
• Cooler, quieter, long-life operation at 1450 RPM
• Durable nickel-plated manifold and ceramic plungers
• Heavy-duty tapered roller bearings
• Strong 25mm solid shaft
• Pre-installed seals and valves for reliable operation
• Factory-tested under multiple load levels
• 5-year warranty with nationwide service support

Typical Use Cases

• Mobile wash rigs
• Fleet maintenance cleaning
• Heavy equipment cleaning
• Industrial service yards
• Large commercial and warehouse cleaning

Why Choose Annovi Reverberi

• Global leader in high-performance pump engineering
• Industrial-grade durability and reliability
• Premium materials and advanced design
• Industry-trusted for commercial and professional applications

Conclusion

The Annovi Reverberi RKA4G40HJ-F22 is a 4.0 GPM, 4000 PSI, low-speed triplex pump engineered for extreme-duty performance. With its nickel-plated manifold, ceramic plungers, bronze connecting rods, F22 direct-mount flange, and oversized bearings, it provides outstanding durability and long service life. Backed by a 5-year warranty, it is a top-tier choice for contractors, industrial facilities, and fleet maintenance operations.