RKA4G30N 4.0 GPM 3000 PSI | Belt-Drive Triplex Pump

Product Summary

• RKA4G30N triplex ceramic plunger pump engineered for dependable performance across residential, commercial, and light industrial pressure washing.
• Delivers 4.0 GPM at 3000 PSI at 1750 RPM for strong cleaning power with cooler, longer-life operation.
• 12,000 ECU output supports efficient removal of dirt, grime, and stains while maintaining practical water use.
• Low-speed design supports reduced heat, smoother operation, and extended service intervals versus high-RPM pump platforms.
• Backed by a 5-year manufacturer warranty for professional and long-term ownership confidence.

System Configuration

• Triplex crankshaft-drive architecture designed for smooth flow delivery and stable pressure under load.
• Low-speed 1750 RPM platform supports reduced operating temperature and extended seal and bearing life.
• Built for belt-drive or direct-coupled systems where the pump is tuned to the target duty point.
• Rebuildable service platform supports planned maintenance and predictable lifecycle costs.
• Optimized for wash bays, contractor equipment, and facility maintenance programs requiring reliable uptime.

Performance Specifications

• Model: RKA4G30N.
• Rated Flow: 4.0 gallons per minute.
• Rated Pressure: 3000 PSI.
• Operating Speed: 1750 RPM.
• Pump Type: Triplex ceramic plunger pump.
• ECU: 12,000 Effective Cleaning Units.
• Warranty: 5-year manufacturer warranty.

Included Components

• Pump factory pre-filled with break-in oil.
• Oil sight glass and vented dipstick for straightforward oil monitoring and service access.
• Operation manual and parts schematic for installation and maintenance planning.
• Configured as a pump-only solution to pair with an unloader/regulator matched to 4.0 GPM systems.

Packaging & Deployment

• Low-speed platform supports extended runtime in stationary wash bays and mobile cleaning rigs.
• Designed for integration into skid, trailer, and fixed-install pressure washer frames.
• Service documentation supports repeatable commissioning and fast parts identification.
• Well-suited for upgrades from high-RPM consumer pumps to a longer-life triplex design.

Materials & Quality Control

• Forged brass manifold engineered for durability in continuous wet-service cleaning environments.
• Ceramic plungers selected for wear resistance and stable long-term sealing performance.
• Stainless steel valves support corrosion resistance and consistent seating under load.
• Industrial-duty sealing system designed to retain pressure and reduce leakage over extended runtime.
• Factory assembly and functional verification performed prior to shipment and distribution.

Manufacturing Standards of RKA4G30N

• Manufactured to industrial-duty triplex pump production standards.
• Designed to meet published performance ratings at 1750 RPM operation.
• Service documentation included for maintenance planning and rebuild scheduling.
• Warranty coverage supports commercial, contractor, and facility maintenance use.

Operating Guidance

• Use clean water supply and proper inlet filtration to protect valves, packings, and plungers.
• Verify supply flow is adequate for 4.0 GPM operation before extended runtime.
• Pair with an unloader/regulator sized to 4.0 GPM and set pressure at the nozzle under load.
• Confirm secure mounting and alignment to minimize vibration and extend component life.
• Follow the operator’s manual for break-in procedure, oil service intervals, and winterization.

Service & Maintenance

• Monitor oil level through the sight glass and service oil per manufacturer intervals.
• Inspect inlet strainers frequently to prevent cavitation and pressure instability.
• Check fittings and plumbing connections for leaks and air ingestion during routine inspections.
• Inspect packings and valves on a schedule matched to duty cycle and water quality.
• Use the parts schematic to plan rebuild kits and minimize downtime during service events.

Applications

• Residential cleaning: driveways, patios, decks, and exterior surface maintenance.
• Vehicle and small fleet washing programs.
• Light commercial wash bays and service facilities.
• Workshops, construction sites, and agricultural maintenance operations.
• Facility cleaning where a low-speed, rebuildable triplex pump is preferred.