Calpeda NM, NMD Range
Close Coupled Centrifugal Pumps with threaded ports.
FLOW
1 / 66 mc/h
HEAD
3.5 / 114 m
POWER
0.37 / 9.2 kW
Construction : Close-coupled, centrifugal pumps; electric motor with extended shaft directly connected to the pump.
NM: single-impeller.
NMD: with two back-to-back impellers (with axial thrust balancing).
Connections: threaded ports ISO 228/1 (BS 2779).
NM, NMD: version with pump casing and lanter bracket in cast iron.
B-NM, B-NMD: version with pump casing and lanter bracket in bronze (the pumps are supplied fully painted).
NM, NMD TECHNICAL DATA
– For clean liquids without abrasives, which are non-aggressive for the pump materials (solids content up to 0.2%).
– For water supply.
– For heating, air-conditioning, cooling and circulation plants.
– For civil and industrial applications.
– For fire fighting applications.
– For irrigation.
Calpeda NM, NMS Range
Close Coupled Centrifugal Pumps with flanged connections.
FLOW
1 / 480 mc/h
HEAD
3 / 95 m
POWER
0.25 / 75 kW
Construction: Close-coupled centrifugal pumps; electric motor with extended shaft directly connected to the pump up to 30 kW, new bracket construction for standard motors (stub-shaft construction) from 37 to 75 kW with integrated thrust bearing.
Pump casing with axial suction and radial delivery on top, main dimensions and performance according to EN 733.
NM: version with pump casing and lanter bracket in cast iron.
B-NM: version with pump casing and lanter bracket/casing cover in bronze (the pumps are supplied fully painted).
Connections: Flanges according to PN 10, EN 1092-2.
Counter-flanges(on request): from NM 32/.. to NM 50/… : Screwed flanges EN 1092-1, PN 16. from NM 65/.. to NMS 100/… : Flanges for welding EN 1092-1, PN 10.
NM, NMS TECHNICAL DATA
– For clean liquids without abrasives, which are non-aggressive for the pump materials (solids content up to 0,2%).
– For water supply.
– For heating, air conditioning, cooling and circulation plants.
– For civil and industrial applications.
– For fire fighting applications.
– For irrigation.
Calpeda NM4, NMS4 Range
Close Coupled Centrifugal Pumps (n = 1450 rpm).
FLOW
1 / 480 mc/h
HEAD
3 / 95 m
POWER
0.25 / 75 kW
Construction: Close-coupled centrifugal pumps; electric motor with extended shaft directly connected to the pump up to 15 kW, new bracket construction for standard motors (Stub-shaft construction) from 18,5 to 75 kW with integrated thrust bearing.
Pump casing with axial suction and radial delivery on top, main dimensions and performance according to EN 733 with additional sizes for completion.
NM4: version with pump casing and lanter bracket in cast iron.
B-NM4: version with pump casing and lanter bracket/casing cover in bronze (the pumps are supplied fully painted).
Connections: NM4 25/… : Threaded ports ISO 228.
from NM4 32/.. to NMS4 150/.. : Flanges according to PN 10, EN 1092-2.
Counter-flanges (on request): from NM4 32/.. to NM4 50/.. : Screwed flanges EN 1092-1, PN 16. from NM4 32/.. to NMS4 150/.. : Flanges for welding EN 1092-1, PN 10.
NM4, NMS4 TECHNICAL DATA
– For clean liquids without abrasives, which are non-aggressive for the pump materials (contents of solids up to 0,2%).
– For water supply.
– For heating, air conditioning, cooling and circulation plants.
– For civil and industrial applications.
– When low noise operating is required.
– For irrigation.
Calpeda N, N4 Range
End-Suction Centrifugal Pumps standardised EN 733.
FLOW
2.4 / 480 mc/h
HEAD
1.5 / 95 m
POWER
0.25 / 75 kW
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).
N, N4 TECHNICAL DATA
– For clean liquids, without abrasives, which are non-aggressive for the pump materials (contents of solids up to 0.2%).
– For water supply.
– For heating, air conditioning, cooling and circulation plants.
– For civil and industrial applications and for agriculture.
– For fire fighting applications.
– For irrigation.
Calpeda C Range
Centrifugal Pumps with open impeller.
FLOW
0.6 / 15 mc/h
HEAD
3.6 / 22.4 m
POWER
0.15 / 1.1 kW
Construction : Close-coupled centrifugal pumps with open impeller.
Free-flow impeller (vortex or recessed impeller) for type C 16/1E.
C: version with pump casing and lanter bracket in cast iron.
B-C: version with pump casing and lanter bracket in bronze (the pumps are supplied fully painted).
C TECHNICAL DATA
– For moderately dirty liquids or emulsions. – For industry and agriculture.
