Self-priming multistage centrifugal pumps Wilo Jet WJ204

Aplication:

• Pumping water from wells.
• Filling, pumping empty, transferring by pumping, irrigation and sprinkling.
• As emergency pump for overflows.
• Self-priming single stage jet pump for water supply, irrigation and rainwater re-use applications.
• Self-priming capacity up to 8m is done with integrated Venturi system.
• Wilo-WJ is designed for mobile use thanks to its embedded ON/OFF switch and its embedded handle.
• Ready for connection thanks to its already connected 2 meters electrical cable with shock-proof Schuko plug.
• Connection via terminal box for three-phase versions.
• All parts that come into contact with the fluid are corrosion-proof.

Materials

• Pump housing 1.4301
• Impeller 1.4301
• Pump shaft 1.4005 [AISI416]
• Mechanical seal Carbon/ceramic
• Stage chambers  ?
• Diffuser/Injector Noryl
• Seal NBR