Interpump WS201 Triplex Plunger Pump

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).