Wilo-Rexa PRO-S

Brand: Wilo

The Wilo-Rexa PRO-S submersible sewage pump with macerator ensures reliable pressure drainage in accordance with EN 12050-1 in commercial and municipal applications. Cost-effective, safe and continuous operation is possible when equipped with a radial macerator with double shear effect and high efficiencies. The high delivery heads guarantee efficient pressure drainage for installations with high static delivery head. In addition, installation costs are reduced thanks to the use of the smallest-possible pipework. The robust motor made of grey cast iron is designed for continuous operation and is easy to maintain. A high-quality seal with two mechanical seals and optional monitoring of the sealing chamber ensure a long service life. Furthermore, the motor has ATEX approval as standard and can thus be used in Ex zones 2 and 1.


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Efficient submersible sewage pump in non-clog design with macerator for reliable pressure drainage in commercial and municipal applications.

Pump housing: EN-GJL-250 (ASTM A48 Class 35/40B) Impeller: EN-GJL-250 (ASTM A48 Class 35/40B) Macerator: 1.4528/59 HRC (AISI 440B+Co) Motor housing: EN-GJL-250 (ASTM A48 Class 35/40B) Shaft: Up to 2.5 kW: 1.4401 (AISI 316) From 3.9 kW: Stainless steel AISI 1.4021 (420) Seal on the motor side: C/MgSiO Seal on the fluid side: SiC/SiC Seal, static: NBR (nitrile)

Radial macerator with double shear effect ensures excellent clogging resistance
Optimised hydraulics/macerator combination for maximum delivery head with highest efficiency
Use of the smallest possible pipework guarantee low overall installation costs
Developed for easy selection to meet demanding requirements
High-quality motor with two mechanical seals and optional monitoring of the sealing chamber ensure long service life
Designed for professional maintenance, long service life and a high degree of stability