Rexa BLOC
Monobloc pump
Economical sewage transport in dry well installation
- High operational reliability owing to closed bearing brackets with oil-filled sealing chamber, additional leakage chamber and two mechanical seals
- Low energy costs due to high overall efficiency
- Various Ceram coatings provide a long service life when pumping abrasive and corrosive fluids
- A service-friendly and time-saving construction with back pull-out design keeps operating costs low
- A horizontal or vertical installation offers high flexibility for local space availability
Recommended services
Design
Sewage pump in monobloc design with fitted standard motor for the stationary dry installation in continuous operation.Liquid
undefinedEquipment/function
- Hydraulics with gasket and leakage chamber
- Seal with two mechanical seals
- IEC standard motors with motor efficiency class IE3
Type key
Example: | Rexa BLOC-C06.34-143DAH132S2 |
Rexa | Sewage pump |
BLOC | Monobloc unit with attached standard motor |
C | Type of impeller:
|
06 | Nominal diameter of discharge port |
34 | Performance indicator |
143 | Impeller diameter |
D | Version flange hole:
|
A | Standard material version |
H | Installation type:
|
132S | Construction size standard motor |
2 | Number of poles (nominal speed of the hydraulics) |
Example: | Wilo-RexaBloc RE 08.52W-260DAH132M4 |
RexaBloc | Sewage pump as a monobloc unit with fitted standard motor |
RE | Series |
08 | Nominal diameter of discharge port |
52 | Performance indicator |
W | Type of impeller:
|
260 | Impeller diameter |
D | Version flange hole:
|
A | Standard material version |
H | Installation type:
|
132M | Construction size standard motor |
4 | Number of poles (nominal speed of the hydraulics) |
Technical data
- Mains connection: 3~400 V, 50 Hz
- Operating mode: S1
- IP rating: IP55
- Insulation class: F
- Fluid temperature: 3 … 70 °C
- Ambient temperature: 3 … 40 °C
- Motor efficiency class: IE3
Materials
- Hydraulics housing: EN-GJL 250
- Impeller: EN-GJL 250
- Hydraulics shaft: Stainless steel 1.4021
- Bearing bracket: EN-GJL-250
- Motor housing: EN-GJL-250
- Gaskets
- Static: NBR
- On pump side: SiC/SiC
- On the motor side: SiC/SiC
Construction
Hydraulics
Hydraulic system with axial suction ports, radial discharge ports and bearing brackets as a single unit. The connections are configured as flange connections.
Seal
Bearing bracket with sealing and leakage chamber for admission of fluid ingress via the seal. Fluid-side and motor-side sealing via a bidirectional mechanical seal. The sealing chamber is filled with medical white oil, the leakage chamber is empty and shut up to the motor.
Motor
IEC standard motor in B5 design as three-phase motor with motor efficiency class IE3.
Scope of delivery
- Monobloc unit for horizontal installation with fitted standard motor in three-phase current version, without connection cable
- Angle bracket on the discharge port for fastening lifting equipment
- Installation and operating instructions
Options
- IEC standard motor in different versions:
- Motor efficiency class IE4
- Ex-rated according to ATEX or FM
- Thermal motor monitoring using bimetallic or PTC sensors
- Version for vertical installation
- ‘Bare shaft’ version
Accessories
- External pencil electrode for monitoring the sealing chamber
- Switchgears and relays
- Fixation sets with anchor bolts