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 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 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 ) : Screwed flanges EN 1092-1, PN 16
Applications
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.
Operating Conditions
- liquid temperature from -10 °C to +90 °C
- Ambient temperature up to 40° C
- Total suction lift up to 7 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
- 2-pole induction motor, 50 Hz ( n≈ 2900 rpm )
- NM, NMS : three-phase 230/400 V ±10% up to 3 kW;
400/690V ±10% from 4 to 75 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.
Special 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 )
- Single-phase motor ( NMM ) up to 1,5 kW
- Higher or lower liquid or ambient temperatures.
- Motor suitable for operationwith 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.
Special 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 )
- Single-phase motor ( NMM ) up to 1,5 kW.
- Higher or lower liquid or ambient temperatures.
- Motor suitable for operation with frequency converter up to 0,75 kW.
Materials
| Components | NM, NMS | B-NM, B-NMS |
| Pump casing Lantern bracket NM Casing cover for NMS |
Cast Iron GJL 200 EN 1561 |
Bronze G-Cu Sn 10 EN 1982 |
| Lantern bracket NMS | Cast Iron GJL 200 EN 1561 | |
| 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, 32L/20, 40/20 |
||
| Shaft | Cr-Ni steel AISI 303 AISI 430 from 3 kW to 22 kW |
Cr Ni Mo steel AISI 316 |
| Mechanical seal | Carbon-Ceramic-NBR | |
| Counter-flanges | Steel Fe 4308 UNI 7070 | |
Specifications
- Rated motor power output : 9.2 kW, 12.5 Hp
- Maximum suction lift 1-2 m.
- Kapasitas Pompa ( Q ) : Total Head ( H )
15 M3 ( 250 l/min ) : 61 m
16,8 M3 ( 280 l/min ) : 61 m
18,9 M3 ( 315 l/min ) : 60.5 m
21 M3 ( 350 l/min ) : 59.5 m
24 M3 ( 400 l/min ) : 58.5 m
27 M3 ( 450 l/min ) : 56.5 m
30 M3 ( 500 l/min ) : 53.5 m
33 M3 ( 550 l/min ) : 49.5 m
37.8 M3 ( 630 l/min ) : 41.5 m
39 M3 ( 650 l/min ) : 40 m
42 M3 ( 700 l/Min ) : 33.5 m - Weight : 124 kg
