SINGLE IMPELLER CENTRIFUGAL ELECTRIC PUMPS

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TECHNICAL DETAILS

• Available with brass impeller (CMA 0.50 M GO, CMA 0.75 M GO,
CMA 1.00 M GO)
• The CMR version is equipped with an open impeller
• They can be inserted into machinery for industrial use.

PUMP TECHNICAL DATA

• Maximum working pressure:
– 6 bar for CMA 0.50 – 0.75 – 1.00, CMB 0.75 – 1.00 – 1.50 – 2.00 –
3.00, CMC , CMD , CMR
– 8 bar for CMA 1.50 – 2.00 – 3.00, CMB 4.00 – 5.50
• Maximum temperature of the liquid:
– 40°C for CMA 0.50 – 0.75 – 1.00
– 90°C for the rest of the range
• G1 suction connection for CMA 0.50 – 0.75 – 1.00,
G1¼ for CMA 1.50 – 2.00 – 3.00,G2 for CMB – CMC,
G2½ for CMD
• G1 discharge connection for CMA, G1¼; for CMB, G1½ for CMR,
G2 for CMC, G2½ for CMD
MEI> 04
For further information please see our Data Book.

MOTOR TECHNICAL DATA

• High efficiency motors IE2 and IE3 starting from 0,75kW
• Self-ventilated 2 pole asynchronous motor
• Class of insulation F
• IP44 Protection degree
• 230V ±10%, 50Hz single phase voltage,
230/400V ±10%, 50Hz three phase voltage
• Permanent capacitor inserted and thermo-amperometric protection
with automatic rearm incorporated for the single phase motor
• Protection under user’s responsibility for the three phase version

MATERIALS

• Cast iron pump casing
• Mechanical seal in Carbon/Ceramic/NBR
• Impeller:
– in PPE+PS reinforced with fibreglass for CMA 0.50 – 0.75 – 1.00
– in brass for CMA 1.50 – 2.00 – 3.00, CMB 2.00 – 3.00 – 4.00 – 5.50, CMR 0.75-1.00
– in cast iron for CMB 0.50 – 0.75 – 1.00, CMC, CMD
• Shaft:
– in AISI 416 (integral) for CMA 0.50
– in AISI 303 (part in contact with the liquid) for CMA CMA 0.75 – 1.00 – 1.50 – 2.00 – 3.00, CMB 0.75 – 1.00, 1.50 – 2.00 – 3.00, CMC 0.75 – 1.00
CMD 1.50 – 2.00 – 3.00, CMR 0.75-1.00
– in AISI 304 (part in contact with the liquid) for CMB 4.00 – 5.50, CMD 4.00
• Bracket:
– in aluminium for CMA 0.50 – 0.75 – 1.00, CMB 0.75 – 1.00,
CMC 0.75 – 1.00, CMR 0.75-1.00
– in cast iron for the rest of the range