Grundfos Endsuction close coupled multistage CME 5-5 A-R-A-E-AVBE S-A-D-N

Non-self-priming, single-stage, centrifugal volute pump designed according to ISO 5199 with dimensions and rated
performance according to EN 733 (10 bar). Flanges are PN 16 with dimensions according to EN 1092-2. The pump
has an axial suction port, radial discharge port, horizontal shaft and a back pull-out design enabling removal of the
motor, motor stool, cover and impeller without disturbing the pump housing or pipework.
The unbalanced rubber bellows seal is according to DIN EN 12756.
The pump is close-coupled to a fan-cooled asynchronous motor.
The product’s minimum efficiency index (MEI) is greater or equal to 0.70. This is by the Commission Regulation (EU)
considered as an indicative benchmark for best-performing water pump available on the market as from 1 January
2013.
The back pull-out design means that the pump can be serviced by a single person without disturbing the pump
housing or pipes.
Cast-iron parts have an epoxy-based coating made in a cathodic electro-deposition (CED) process. CED is a
high-quality dip-painting process where an electrical field around the products ensures deposition of paint particles as
a thin, well-controlled layer on the surface.
Pump
Motor stool and pump cover are made of cast iron (EN-GJL-250). Coupling guards are fitted to the motor stool.
The pump is fitted with an unbalanced rubber bellows seal with torque transmission across the spring and around the
bellows. Due to the bellows, the seal does not wear the shaft, and the axial movement is not prevented by deposits
on the shaft.
Seal faces:
• Rotating seal ring material: carbon graphite, metal-impregnated
• Stationary seat material: silicon carbide (SiC)
Due to the favourable lubricating properties of carbon graphite, the seal is suitable for use even under poor lubricating
conditions, such as hot water.
However, under such conditions, wear on the carbon graphite face can be expected, and seal life will be reduced .
The material pairing is not recommended for liquids containing particles as this will result in wear on the SiC face.
Secondary seal material: EPDM (ethylene-propylene rubber)
EPDM has excellent resistance to hot water. EPDM is not suitable for mineral oils.
The pump housing has no feet.
The language on the pump nameplate is English.
Motor
The motor is a totally enclosed, fan-cooled motor with principal dimensions to IEC and DIN standards. Electrical
tolerances comply with IEC 60034.
The motor efficiency is classified as IE3 in accordance with IEC 60034-30-1.
The motor has thermistors (PTC sensors) in the windings in accordance with DIN 44081/DIN 44082. The protection
reacts to both slow- and quick-rising temperatures, e.g. constant overload and stalled conditions.
Thermal switches must be connected to an external control circuit in a way which ensures that the automatic reset
cannot cause accidents. The motors must be connected to a motor-protective circuit breaker according to local
regulations.
The motor can be connected to a variable speed drive for adjustment of pump performance to any duty point.
Grundfos CUE offers a range of variable speed drives. Please find more information in Grundfos Product Center.
Further product details
Cast-iron parts have an epoxy-based coating made in a cathodic electro-deposition (CED) process. CED is a
high-quality dip-painting process where an electrical field around the products ensures deposition of paint particles as
a thin, well-controlled layer on the surface.