Pump Calpeda BN4 32 125F/A single – stage end – suction centrifugal pumps, with bearing bracket.
Nominal duty points and main dimension in accordance with EN 733. Back pull out construction, for simple and quick dismantling and reassembly.
B-N4 version with pump casing and lantern bracket in bronze. (the pumps are supplied fully painted). Rated speed of rotation (50 Hz) : 1450 rpm
Application of Pump Calpeda BN4 32 125F/A:
- Clean liquids, without abrasives, which are non-aggressive for the pump materials
- Water supply
- Heating, air conditioning, cooling and circulation plants
- Civil and industrial application and for agriculture
- Fire fighting applications
- Irrigation
Operating Conditions :
- Liquid temperature from -10 deg. C to +90 deg. C
- Ambient temperature up to 40 deg. C
- Total suction lift up to 40 deg. C
- Total suction lift up to 7 m
- Maximum permissible working pressure up to 10 bar
- Maximum permissible rotation speed
Pump – Motor Unit :
N4 series pump connected to a standard electric motor in B3 construction form (EN 60072-1), IP 55 protection, three-phase 400 V, 50 Hz by means of a baseplate, driven by a flexible coupling and with coupling protection.
Special Features on Request :
- Special mechanical seal
- Chrome nickel steel AISI 316 pump-shaft
- Higher or lower liquid or ambient temperatures
- Other motor protection
- Explosion proof construction in accordance with Directice 94/9 EEC (ATEX)
- Motor for other voltage
- Frequency 60 Hz
Material (Mechanical seal ) :
- Pump casing, lantern bracket : Bronze
- Impeller : Bronze
- Shaft : Cr-Ni-Mo Steel
- Mechanical seal : Carbon – Ceramic – NBR
Table Performance :
| Model Pump | B-N4 32-125F/A |
| Motor | 280 S2 M2 |
| Rated motor power output (P2) | 0.55 kW |
| Capacity | 6.6 m³/h 110 l/min; Head : 12.5 m 7.5 m³/h 125 l/min; Head : 12.5 m 8.4 m³/h 140 l/min; Head : 12 m 9.6 m³/h 160 l/min; Head : 11.5 m 10.8 m³/h 180 l/min; Head : 11 m 12 m³/h 200 l/min; Head : 10.5 m 13.2 m³/h 220 l/min; Head : 9.5 m 15 m³/h 250 l/min; Head : 8 m 16.8 m³/h 280 l/min; Head : 6 m |
