RKA35G40HE-F17 3.5 GPM 4000 PSI | Nickel Triplex Pump

RKA35G40HE-F17 — 3.5 GPM, 4000 PSI Triplex Pump, 1750 RPM, F17 Motor Mount

Overview

The RKA35G40HE-F17 triplex plunger pump is a high-pressure, commercial-duty solution engineered for operators who require maximum cleaning power without sacrificing durability or efficiency. Delivering a robust 3.5 gallons per minute at an impressive 4,000 PSI, this pump is designed to tackle demanding cleaning applications where stubborn buildup, heavy grime, and tough surfaces are common. Built on Annovi Reverberi’s proven RKA 228 series platform, the RKA35G40HE-F17 combines advanced materials, precision engineering, and low-speed operation to ensure long-term reliability in professional environments.

Operating at a controlled 1,750 RPM, this pump offers a significant advantage over higher-speed alternatives. The reduced operating speed minimizes heat buildup, vibration, and internal wear, which directly translates into longer seal life, improved bearing longevity, and extended service intervals. This makes the RKA35G40HE-F17 an excellent choice for commercial pressure washing systems that see frequent or extended run times.

With a powerful 14,000 ECU (Effective Cleaning Units) rating, the pump delivers excellent real-world cleaning performance. The balanced combination of high pressure and consistent flow ensures effective soil removal while maintaining adequate rinsing capability. Whether used for surface preparation, concrete cleaning, or heavy equipment washdown, this pump provides dependable, repeatable results.

High-Pressure Performance

The standout feature of the RKA35G40HE-F17 is its 4,000 PSI pressure capability. This higher pressure output makes it especially effective for applications that require aggressive cleaning force, such as removing oil stains, gum, paint residue, or compacted dirt from hard surfaces. The 3.5 GPM flow rate ensures that debris is flushed away efficiently, reducing cleaning time and improving productivity.

The triplex plunger design delivers smooth and consistent water flow with reduced pressure pulsation. Compared to axial cam pumps, triplex pumps are known for superior durability, higher efficiency, and better performance under continuous-duty conditions. Reduced pulsation also helps protect system components such as hoses, unloaders, and spray guns, contributing to a more reliable overall pressure washing system.

Construction & Materials

The RKA35G40HE-F17 is constructed with premium materials chosen specifically for high-pressure operation and commercial use. The nickel-plated brass pump head offers enhanced corrosion resistance and added strength, making it well-suited for harsh environments and demanding wash conditions. This plating also helps extend the life of the pump when exposed to moisture, detergents, and varying water quality.

Ceramic plungers provide exceptional hardness and wear resistance, ensuring consistent sealing performance even under sustained high pressure. Bronze connecting rods add strength and durability to the internal drive system, offering improved load handling compared to standard aluminum rods. Buna O-rings provide reliable sealing and compatibility with common pressure washing fluids, contributing to leak-free operation and reduced maintenance requirements.

Motor Mounting & Installation

Designed with an F17 flange, the RKA35G40HE-F17 mounts directly to compatible NEMA 182–184 frame electric motors. The direct-drive configuration eliminates the need for belts and pulleys, simplifying installation and reducing the number of wear components in the system. This direct coupling improves efficiency, minimizes alignment issues, and results in a cleaner, more compact equipment layout.

The pump supports both hollow and solid shaft configurations, with a standard 1-1/8″ shaft size, offering flexibility for various electric motor setups. Horizontal mounting orientation allows easy integration into commercial pressure washer frames and skid-mounted systems. With a maximum operating speed of 1,750 RPM, the pump is ideally matched to common 4-pole electric motors.

Maintenance & Serviceability

Ease of maintenance is a key advantage of the RKA35G40HE-F17. The pump ships pre-filled with break-in oil, allowing for immediate startup upon installation. An integrated oil sight glass provides quick visual confirmation of oil levels, while the vented dipstick ensures proper crankcase ventilation and lubrication control.

With an oil capacity of 15 ounces, routine oil changes are straightforward and cost-effective. The pump is supported by Annovi Reverberi’s extensive nationwide service network, ensuring easy access to replacement parts, technical support, and authorized service centers. This level of support helps minimize downtime and protects your investment over the long term.

Key Specifications

• Model: RKA35G40HE-F17
• Series: 228 (RKA)
• Pump Type: Industrial Triplex Plunger
• Flow Rate: 3.5 GPM (13.2 L/min)
• Maximum Pressure: 4,000 PSI (275 Bar)
• Operating Speed: 1,750 RPM
• Effective Cleaning Units (ECU): 14,000
• Power Requirement: 9.6 EBHP
• Bore Diameter: 18 mm
• Stroke: 10.8 mm
• Maximum Fluid Temperature: 140°F
• Oil Capacity: 15 oz
• Weight: 21 lbs

Motor & Mount Details

• Flange Type: F17
• Motor Compatibility: NEMA 182–184 frame
• Shaft Size: 1-1/8″
• Shaft Type: Hollow or Solid
• Shaft Version: Electric (E), Natural (N)
• Pump Orientation: Horizontal
• Inlet: 1/2″ Female
• Outlet: 3/8″ Female

What’s Included

• Factory pre-filled crankcase with break-in oil
• Oil sight glass for easy monitoring
• Vented dipstick for proper lubrication
• Operation manual and detailed parts schematic
• Access to Annovi Reverberi nationwide service centers

Typical Applications

• Concrete, sidewalk, and hard-surface cleaning
• Fleet and vehicle wash systems
• Heavy equipment cleaning and maintenance
• Commercial and industrial wash bays
• Facility washdown and property maintenance
• Surface preparation for sealing or coating

Warranty & Long-Term Value

Backed by a 5-year manufacturer warranty, the RKA35G40HE-F17 reflects Annovi Reverberi’s commitment to quality, performance, and long-term value. Its combination of high-pressure output, low-speed operation, and heavy-duty construction makes it a dependable choice for professionals who demand consistent results and minimal downtime in challenging commercial cleaning environments.