Wilo Rexa PRO, S03-224A/21T025x540/O, Sewage Pump

Description

Fully submersible cutting pump for stationary and transportable wet installation in continuous operation.

Media : For pumping in commercial areas in : Waste water with faeces, Waste water (with small amounts of sand), Feeding waste water according to 12050 The pumps meet the requirements according to DIN EN 12050-1.

Design: Sewage pump with radial cutter with double cutting effect. Horizontal pressure connection with flange and oval connection. Hydraulic housing and impeller of cast iron, cutting mechanism of hardened cutting steel. Surface-cooled 3~ motor with thermal motor monitoring and moisture electrode. Oil-filled sealing chamber with two mechanical seals. Cast iron engine housing. Detachable connection cable with free cable ends. The unit has Ex approval as standard.

Hydraulic Data

• Maximum operating pressure p: 4.73 bar
• Pressure connection DN: 32/40
• Free passage for the hydraulics: 11 mm
• Type of impeller construction : Two-channel impeller with cutter
• Max. immersion depth: 20 m
• Call height max. Hmax: 43.0 m
• Flow max. Qmax: 20.2 m³/h
• My. medium temperature Tmin : 3 °C
• Max. medium temperature Tmax : 40 °C
• Ambient temperature min. Tmin : 3 °C
• Max. ambient temperature Tmax : 40 °C

Engine Data

• Type: P 13.1-10/EAD1X2-T Ex 2.5kW
• Mains connection : 3~400 V, 50 Hz
• Voltage tolerance : ±10%
• Motor rated power P2 : 2.5 kW
• Power consumption P1 max: 3.20 kW
• Rated current IN : 5.5 A
• Starting current I : 31 A
• Operating mode (submerged) : S1
• Operating mode (not submerged) : S2-30 min.
• Rated speed n : 2848 1/min
• Capacity factor : 0.84
• Grant Type : Direct Online (DOL)
• Number of poles: 2
• Max. breaking frequency t : 60 1/h
• Insulation class: F
• Protection class motor : IP68

Cable

• Length of connection cable: 10 m
• Cable type : H07RN-F
• Cable cross-section : 7G1.5 mm²
• Type of connection cable : Detachable

Equipment/Function

• Mains connection: none
• Level rocker: none
• Cutting tool : Yes
• Type of explosion protection : ATEX
• Motor guard : Bimetal
• Engine tightness monitoring : Yes
• Leakage monitoring of sealing chamber : Optional
• Leakage chamber tightness monitoring : none

Material

• Pump housing: Cast iron
• Impeller : Cast iron
• Shaft: stainless steel
• Material seal on the pump side: Silicon carbide
• Material seal on the motor side: NBR
• Material seal: NBR
• Material engine : Cast iron

Installation Dimensions

• Connection output: DN 32/40

Measure

• H: 654 mm
• H1 : 571 mm
• A: 176 mm
• B: 88 mm
• C: 144 mm
• D: 310 mm
• E: 317 mm