RKA4G30AN 4.0 GPM 3000 PSI | Nickel Triplex Pump

Product Summary

• RKA4G30AN low-speed triplex plunger pump engineered for continuous-duty industrial cleaning and high-uptime wash programs.
• Delivers 4.0 GPM at 3000 PSI at ultra-low 1450 RPM for cooler operation, reduced wear, and extended service intervals.
• 12,000 ECU output provides strong cleaning productivity with stable flow for rinse efficiency.
• 24 mm solid keyed shaft supports common belt-drive layouts and direct-coupled motor/gearbox arrangements.
• Backed by a 5-year limited manufacturer warranty for professional and industrial duty cycles.

System Configuration

• Triplex crankshaft-drive architecture designed for smooth, low-pulsation delivery under sustained load.
• Ultra-low 1450 RPM platform supports reduced operating temperature and longer seal and bearing life.
• 24 mm solid shaft with keyway supports pulley hubs, couplings, and controlled-speed installations.
• Built for belt-drive or direct-coupled systems where the pump is tuned to the duty point.
• Optimized for wash bays, fleet facilities, and OEM frames requiring long-life, rebuildable performance.

Performance Specifications

• Model: RKA4G30AN.
• Rated Flow: 4.0 gallons per minute.
• Rated Pressure: 3000 PSI.
• Operating Speed: 1450 RPM.
• Shaft: 24 mm solid shaft with keyway.
• Pump Type: Triplex plunger pump.
• ECU Rating: 12,000.
• Warranty: 5-year limited manufacturer warranty.

Included Components

• Pre-filled crankcase with break-in oil.
• Oil sight glass and vented dipstick for easy oil monitoring and service access.
• Forged brass manifold and mounting hardware.
• Operation manual, schematic, and factory test certificate.
• Configured as a pump-only solution to pair with an unloader/regulator matched to your system.

Packaging & Deployment

• Designed for belt-drive integration where pulley ratio sets final pump speed and operating point.
• Ultra-low speed platform supports long runtime in wash bay and industrial duty cycles.
• 24 mm keyed shaft supports common industrial hubs, pulleys, and coupling options.
• Documentation supports consistent installation, parts identification, and planned maintenance.

Materials & Quality Control

• Forged brass manifold engineered for durability in continuous wet-service environments.
• Ceramic plungers selected for wear resistance and stable sealing performance under pressure.
• Heavy-duty internal components designed to handle sustained load and frequent trigger cycling.
• Oil-bath crankcase supports stable lubrication and bearing life at 1450 RPM duty cycles.
• Factory assembly and functional verification performed prior to packaging and distribution.

Manufacturing Standards

• Manufactured to industrial-duty triplex pump production standards.
• Designed to meet published performance ratings at 1450 RPM operation.
• Factory test certificate supports commissioning documentation and maintenance records.
• Warranty coverage supports fleet, municipal, and contractor wash programs.

Operating Guidance

• Confirm belt alignment, pulley condition, and guarding prior to startup on belt-drive installations.
• 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 for accurate control.
• Follow the operator’s manual for break-in procedure, oil service intervals, and winterization.

Service & Maintenance of RKA4G30AN

• 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 schematic and test certificate to support rebuild planning and maintenance tracking.

Applications

• Fleet and transit wash facilities with extended runtime requirements.
• Industrial and municipal wash bays and sanitation programs.
• Heavy equipment cleaning and maintenance yards.
• Contractor rigs requiring low-RPM, long-life pump platforms.
• OEM builds where cooler operation and re-buildability are key requirements.