Close-coupled centrifugal pumps, electric motor with extended shaft directly connected to the pump up to 22 kW, new bracket construction for standard motors (stub-shaft construction) from 30 to 75 kW with integrated thrust bearing.
Pump casing with axial suction and radial delivery on top, main dimensions and performances according to EN 733.
NM(S) : version with pump casing and lantern bracket in cast iron.
B-NM(S): version with pump casing and lantern bracket/casing cover in bronze (the pumps are supplied fully painted).
Connections : Flanges according to PN 10, EN 1092-2
Counter-Flanges (On request): flanges for welding EN 1092-1, PN 10.
Applications
For clean liquids without abrasives, which are non-aggresive 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 application.
For fire fighting applications. For Irrigations.
Operating Conditions
- Liquid temperature from -10°C to +90°C
- Ambient temperature up to 40°C
- Total suction lift up to 70 m
- Maximum permissible working pressure up to 10 bar (16 bar for NM 32L/16,20; NM 40/16,20; NM 50/12,16; NM 65/12,16,20,25; NM 80/16; NM 100/20)
- Continuous duty
Motor
- Other voltages. Frequency 60 Hz (as per 60 Hz data sheet)
- Protection IP 55. Special mechanical seal
- Packed gland (only for NM standard construction)
- Single-phase motor (NMM) up to 1.5 kW
- Higher suitable for operation with frequency converter up to 0.75 kW
Materials
| Component | NM. NMS | B-NM, B-NMS |
| Pump casing Lantern Bracket Nm Casing cover for NMS | Cast Iron | Bronze |
| GJL EN 1561 | G-Cu Sn 10 EN 1982 | |
| Impeller | Cast Iron, GJL 200 EN 1561 | Bronze G-Cu Sn 10 EN 1982 |
| Brass P-CU ZN 40 Pb 2 UNI 5705 for 32/12, 32/16, 32/20, 321/20, 40/20 | ||
| Shaft | Cr-Ni Steel AISI 303AISI 430 from 3 kW to 22 kW | Cr Ni Mo Steel AISI 316 |
| Mechanical seal | Carbon-Ceramic-NBR | |
| Counter – Flanges | Steel Fe 430B UNI 7070 |
Specifications
- Rated Motor Power Output : 22 kW, 30 Hp
- Kapasitas Pompa (Q) : Total Head (H)
48 M3 ( 800 l/min ) : 61 m
54 M3 ( 900 l/min ) : 61 m
60 M3 ( 1000 l/min ) : 60.5 m
66 M3 ( 1100 l/min ) : 60 m
75 M3 ( 1250 l/min ) : 58.5 m
84 M3 ( 1400 l/min ) : 57 m
96 M3 ( 1600 l/min ) : 54.5 m
108 M3 ( 1800 l/min ) : 51.5 m
120 M3 ( 2000 l/min ) : 47.5 m
132 M3 ( 2200 l/min ) : 43 m - Weight : 353 kg