Close-coupled centrifugal pumps; electric motor with extended shaft directtly connected to the pump up t0 22 kW, new bracket construction for standard motors (stubb-shaft construction) from 30 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(S): version with pump casing and lantern bracket in cast iron.
B-NM(S): Version with pump casing and lanterm bracket/ casing cover in bronze (the pumps are supplied fully painted)
Connections : Flanges according to PN 10, EN 1092
Counter-flanges (on request) : Flanges for welding EN 1092-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 conditining, Cooling and circulation plants.
For civil and industrial applications
For line fighting applications, For Irrigation
Motor
- 2-pole induction motor, 50 Hz (≈ 2900 rpm)
- NM, NMS : three-phase 230/ 400 V ±10% up to 3 kW 400/690 V ± from 4 to 7.5 kW
- Insulation class F. Protection IP 54 (IP 55 for NMS)
- Motor suitable for operation with frequency converter from 1.1 kW
- Classification scheme IE3 for three-phase motors from 0.75 kW
- Constructed in accordance with : EN 60034-1; EN 60034-30-1
Specia features on request
- Other voltages. Frequency 60 Hz (as per 60 Hz data sheet)
- Protection IP 55. Special mechanical seal
- Packed gland (only for NM standard construction)
- Higher or lower liquid or ambient temperatures
- Motor suitable for operation with frequency 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 : 11 kW, 15 Hp
- Kapasitas Pompa (Q) : Total Head (H)
75 M3 (1250 l/Min) : 28.7 m
84 M3 (1400 l/Min) : 28.2 m
96 M3 (16000 l/Min) : 27.4 m
108 M3 (1800 l/Min) : 26.4 m
120 M3 (2000 l/Min) : 25.1 m
132 M3 (2200 l/Min) : 23.8 m
150 M3 (2500 l/Min) : 21.3 m
168 M3 (2800 l/Min) : 18.5 m
180 M3 (3000 l/Min) : 16.4 m - Weight : 149 kg