NM4 flange connection 1450rpm
Design:
Monoblock centrifugal pumps with direct connection between the engine and the pump and a common shaft.
Pump body with axial suction port and upper radial delivery socket; main dimensions and performance according to EN 733 with other optional dimensions.
Application:
Pumping of clean liquids that are not aggressive to materials and do not contain abrasive impurities from which the pump is made (solids content max. 0.2%).
Water supply.
Use in heating, air conditioning, cooling and circulation installations.
If necessary, work with a reduced noise level.
Irrigation.
Use in household and industrial areas.
Operational restrictions:
- Manometric suction lift no more than 7 m.
- Maximum allowable end pressure in the pump casing: 10 bar.
- Continuous operation.
- Fluid temperature from -10°C to +90°C.
- Ambient temperature not more than 40°C.
| Component | NM, NMD | B-NM, B-NMD | ■ Special designs on request | |||||
• For work with other voltages - for work with a frequency of 60 Hz. • With protection device IP 55 - special mechanical seals. • Stuffing box seal (only for standard version NM). • With single-phase motor (NMM) up to 1.5 kW. • Execution with explosion-proof motor according to directive 94/9/CE (ATEX). • For service with liquids or in environments with elevated temperatures. | ||||||||
| Pump housing | Cast iron GJL 200 EN 1561 | Bronze G-Cu Sn 10 EN 1982 | ||||||
| Connecting part | Cast iron GJL 200 EN 1561 | Bronze G-Cu Sn 10 EN 1982 | ||||||
| Working wheel | Cast iron GJL 200 EN 1561 | Bronze G-Cu Sn 10 EN 1982 | ||||||
| Brass P-Cu Zn 40 Pb 2 UNI 5705 for models NM 32/12-16-20, NM40/20 B-NM 32/125-160-200, B-NM 40-200 | ||||||||
| Working wheel | Cast iron GJL 200 EN 1561 | Bronze G-Cu Sn 10 EN 1982 | ||||||
| Shaft | Steel Cr AISI 430 | Steel Cr Ni Mo AISI 316 | ||||||
| Steel Cr Ni AISI 303 from 3 to 75 kW | ||||||||
| mechanical seal | Charcoal - Ceramics - NBR | |||||||
| Counter flanges | Steel Fe 430B UNI 7070 | |||||||
n = 1450 rpm
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