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End Suction

Calpeda Single and twin impeller centrifugal pumps Models N, NM, NMD, B-N, B-NM, B-NMD.
Calpeda NM

Calpeda NM

Construction
Calpeda NM Close-coupled, centrifugal pumps; electric motor with extended shaft directly connected to the pump.
NM: single-impeller.
Connections
: threaded ports ISO 228/1 (BS 2779).
: Flanged ports according to PN 10, EN 1092-2.
NM: version with pump casing and lanter bracket in cast iron.
B-NM: version with pump casing and lanter bracket in bronze (the pumps are supplied fully painted).
Calpeda NMD

Calpeda NMD

Construction
Calpeda NMD Close-coupled, centrifugal pumps; electric motor with extended shaft directly connected to the pump.
NMD: with two back-to-back impellers (with axial thrust balancing).
Connections
: threaded ports ISO 228/1 (BS 2779).
NMD: version with pump casing and lanter bracket in cast iron.
B-NMD: version with pump casing and lanter bracket in bronze (the pumps are supplied fully painted).
Calpeda N

Calpeda N

Construction
Single-stage end-suction centrifugal pumps, with bearing bracket.
The electropumps N, B-N, N4, B-N4 series comply with the European Regulation no. 547/2012 in force starting from 01.01.2013.
Nominal duty points and main dimensions in accordance with EN 733.
Back Pull-Out construction, for simple and quick dismantling and reassembly.
N, N4: version with pump casing and lanter bracket in cast iron.
B-N, B-N4: version with pump casing and lanter bracket in bronze (the pumps are supplied fully painted).
Rated speed of rotation (50 Hz): N = 2900 rpm. ; N4 = 1450 rpm.
Connections
: PN 10 flanges EN 1092-2.
Counter-flanges
(on request)
from 32-160 to 50-250 : Screwed flanges PN 16 EN 1092-1.
from 65-125 to 150-400 : Flanges for welding PN 10 EN 1092-1.
Shaft sealing
– Standardized mechanical seal in accordance with ISO 3069.
– Stuffing box seal (on request).