Multistage vertical electrical pumps MK 65

Multi-stage vertical electric pumps of minimum overall dimensions, suitable for lifting plants with or without tank, irrigation systems and everywhere you need to reach higher pressure.

PMK: bare shaft pump, MK: complete electric pump

PERFORMANCE DATA

29 models divided in 3 series, with powers from 5,5 up to 37 kW.

Performances at 2900 rpm

Capacity: max 40 m3/h.

Head: MK65/R max 313 m (350 m Q=0) - MK65 max 360 m (394 m Q=0).

Performances at 3500 rpm

Capacity: 6MK65 up to 45 m3/h.

Head: 6MK65 max 355m (385 m Q=0) .

Temperature of the pumped liquid: min 0°C max +90°C (on request 120°C).

Max working pressure (maximum admitted pressure considering the sum of the maximum suction pressure and head at void capacity):

35 bar with normalized flange.

STANDARD PUMP CONSTRUCTION

Pump equipped with thrust bearing

Coupling spider: cast iron EN-GJL-250.

Basement: precision casted carbon steel G20Mn5 (cast iron EN-GJL-250).

Support foot: precision casted carbon steel

G20Mn5 (cast iron EN-GJL-250).

Tube: stainless steel AISI304 (1.4308).

Diffuser: precision casted carbon steel G20Mn5

(precision casted stainless steel AISI316 (1.4408).

Impeller: precision casted carbon steel G20Mn5

(precision casted stainless steel AISI316 (1.4408).

Diffuser equipped with wear ring self-centring.

Upper Cover: cast iron EN-GJL-250 • on request stainless steel AISI316 (1.4408).

Shaft: stainless steel AISI431 (1.4057) • on request stainless steel Duplex.

Bidirectional mechanical seal: Graphite / SiC / EPDM

Joint in EPDM rubber supplied upon request Version with normalized flanges UNI EN 1092-2

Inlet and outlet “in-line” with counterflanges upon request

Normalized motors V1 size.

On request, efficiency class EFF1 motors