Wilo-Rexa PRO-S Efficient submersible sewage pump in non-clog design with macerator for reliable pressure drainage in commercial and municipal applications.
Efficient submersible sewage pump in non-clog design with macerator for reliable pressure drainage in commercial and municipal applications. The Wilo-Rexa PRO-S grinder pump ensures reliable pressure drainage in accordance with EN 12050-1 in commercial applications. The radial macerator with double shear effect reliably chops the solids. Clogging is prevented and safe operation is ensured. In addition, the overall costs are significantly minimised. Firstly, the optimised hydraulics provide a high degree of efficiency along with the maximum delivery head. Secondly, the smallest possible pipework can be connected. The high-quality stainless steel motor is light and easy to maintain. On the other hand, the motor is extremely corrosion-resistant, even when the motor is non-immersed. A high-quality seal with two mechanical seals ensures a long service life.
Design Fully submersible grinder pump for stationary and portable wet installation in continuous operation. Liquid For pumping in commercial areas of: Sewage containing faeces Wastewater (with small amounts of sand) Sewage pumping according to 12050 The pumps meet the requirements of DIN EN 12050-1. Equipment/function Radial macerator with double shear effect ATEX approval Thermal motor monitoring with bimetallic strip Moisture monitoring in the motor Connection cable with bare cable ends Single-phase AC motor with separate capacitor switchgear
Technical data Mains connection: 1~230 V, 50 Hz or 3~400 V, 50 Hz Submerged operating mode: Rexa PRO-S03: S1 Rexa PRO-S04: S1 Non-immersed operating mode: Rexa PRO-S03 to 4 kW: S2-30 min; S3 25% Rexa PRO-S03 from 5 kW: S2-30 min; S3 10% Rexa PRO-S04: The motor can be run non-immersed. The motor temperature defines the maximum operating time. The motor is fitted with temperature control at the factory for this purpose Protection class: IP68 Insulation class: F Fluid temperature: 3 … 40 °C (37 … 104 °F) Fluid temperature, max. 60 °C (140 °F) for 3 min
Materials 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)
Construction Rexa PRO-S03 .../M .../O Sewage pump with radial macerator with double shear effect. Horizontal discharge port with flange and oval connection. Hydraulics housing and impeller made of grey cast iron; macerator made of hardened cutting steel. Surface-cooled 1~ motor with thermal motor monitoring and moisture probe. Oil-filled sealing chamber with two mechanical seals. Motor housing made of grey cast iron. Detachable connection cable with capacitor box and bare cable ends. Unit with Ex-rating as standard. Rexa PRO-S03 .../T .../O Sewage pump with radial macerator with double shear effect. Horizontal discharge port with flange and oval connection. Hydraulics housing and impeller made of grey cast iron; macerator made of hardened cutting steel. Surface-cooled 3~ motor with thermal motor monitoring and moisture probe. Oil-filled sealing chamber with two mechanical seals. Motor housing made of grey cast iron. Detachable connection cable with bare cable ends. Unit with Ex-rating as standard.
Rexa PRO-S04 .../T .../O Two-stage sewage pump with radial macerator with double shear effect. Horizontal discharge port with flange connection. Hydraulics housing and impellers made of grey cast iron; macerator made of hardened cutting steel. Surface-cooled 3~ motor with thermal motor monitoring (temperature controller with two temperatures). Oil-filled sealing chamber with two mechanical seals. Motor housing made of grey cast iron. Connection cable with bare cable ends. Unit with Ex-rating as standard. Scope of delivery Pump Installation and operating instructions Options Thermal motor monitoring with PTC sensor Motor windings to insulation class “H" Static gaskets in FKM (FPM) Special voltages
Accessories Connection cable with fixed cable lengths up to max. 50 m (164 ft). External pencil electrode for monitoring the sealing chamber Suspension unit for wet well installation Pump support foot for portable installation Level control devices Fixation sets with anchor bolts Fixation accessories and chains Switchgear, relays and plugs
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Commercial macerator Submersible Wilo Sewage Pump Rexa PRO-S For Pressure Drainage Images
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