Overview
The Interpump WS201 is a premium industrial triplex plunger pump engineered for continuous-duty pressure
cleaning applications. Built on Interpump’s proven WS platform, it combines robust materials, precision
machining, and service-friendly design to deliver long operating life and stable performance.
Key Features
- Heavy-duty forged brass pump head for excellent corrosion resistance and durability.
- Hardened, polished stainless-steel plungers with ceramic coating for wear resistance and low friction.
- Oversized tapered roller bearings for smooth operation under high loads.
- Integrated crankcase oil sight-glass and breather for easy maintenance checks.
- External unloader compatibility and multiple porting options for flexible plumbing.
Typical Applications
- Professional pressure washers and car-wash gantries.
- Industrial washdown, equipment cleaning, and maintenance.
- Construction, agriculture, and fleet cleaning rigs.
What’s Included
- WS201 bare pump (no gearbox, motor, or unloader included).
- Factory test certificate and user/maintenance guide.
Technical Notes
- Triplex plunger design with crankshaft/connecting rod mechanism.
- Oil-lubricated crankcase (use OEM‑approved pump oil; change after run‑in and at regular intervals).
- Confirm rotation, mounting, and inlet conditions (temperature, filtration, NPSH) during installation.
- Use a correctly sized unloader/pressure regulator and safety valve.
Maintenance & Service
- Periodic oil changes, inlet filter checks, and inspection of seals/valves recommended.
- Seal and valve kits available; see “Related Products”.
Compatibility
Designed for systems built around Interpump WS-series geometry. Always verify exact fitment using your pump’s
model and code sticker before ordering.
Warranty
Backed by manufacturer warranty against defects in materials and workmanship (terms apply).
