RKASS3.6G12N | Stainless Triplex Pump, 3.6 GPM 3000 PSI, 1750 RPM, 24 mm Solid Shaft
The RKASS3.6G12N is an Annovi Reverberi triplex plunger pump with a stainless steel head, rated 3.6 GPM at 3,000 PSI at 1750 RPM. Stainless holds up where brass pits and corrodes: caustic cleaners, sanitizers, chlorides, salt air and the daily washdown of food, chemical and marine plants.
At 1750 RPM it matches the speed of a standard 4-pole electric motor, so it couples straight to the motor with no belts, or runs on a belt drive from a gas engine. The 24 mm keyed solid shaft fits AR hollow-shaft motors, bell housings and pulleys.
What’s in the Box
- RKASS3.6G12N pump with stainless steel head and 24 mm keyed solid shaft
- Crankcase oil, pre-filled at the factory
- Vented dipstick. The pump ships with a shipping plug in the oil port. Swap in the dipstick before the first start.
- Operation manual and parts schematic
- 5-year Annovi Reverberi warranty
Will It Fit My Machine?
- Electric motor: 7.5 HP at 1750 RPM, direct coupled.
- Gas engine: 270cc or larger (9 HP class) with a belt drive. Size the pulleys so the pump turns no faster than 1750 RPM.
- Water: up to 140°F. Check chemical compatibility with your cleaning agents.
Not sure? Text a pump specialist at (505) 226-6061 with your drive details and we’ll confirm the fit.
What Else You’ll Need
The pump is sold bare. The unloader, thermal relief valve, inlet filter and rail kit are sold separately:
- Unloader valves: choose one rated for at least 3,000 PSI and 3.6 GPM. A stainless unloader keeps the whole wet end corrosion resistant.
- Thermal relief valves, inlet filters and rail kits: rails mount the pump to a base for belt drive.
RKASS3.6G12N Specifications
- Model: RKASS3.6G12N
- Flow: 3.6 GPM
- Max Pressure: 3,000 PSI
- Speed: 1750 RPM
- Head: Stainless steel
- Shaft: 24 mm solid, keyed
- Drive Size: 7.5 HP electric, or 270cc+ gas with belt drive
- Plungers: Ceramic
- Max Water Temperature: 140°F
- Weight: 22 lbs
- Warranty: 5 years
- Brand: Annovi Reverberi
Shipping: Usually ships via UPS in 1 to 3 days.








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