N flange connection on the frame
Construction:
Axial suction centrifugal pumps on a single impeller base. Rated tech. characteristics and main dimensions in accordance with EN 733 standard.
Rated speed (50 Hz):
N = 2900 rpm, N4 = 1450 rpm.
Application:
Pumping of clean liquids that are not aggressive to the pump materials (solids content max. 0.2%) and do not contain abrasive impurities.
Water supply.
Use in installations of cooling and circulation, heat supply, air conditioning.
Use in the industrial and household sphere, in agriculture.
Work in fire fighting installations.
Irrigation.
Operating limits:
- Fluid temperature from -10°C to +90°C.
- Ambient temperature not more than 40°C.
- Manometric suction lift no more than 7 m.
- Maximum allowable final pressure in the pump casing: 10 bar.
| Component | N, N4 Mech. seal | N, N4 Gland packing | BN, B-N4 Mech. seal |
| Pump casing Casing cover | 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 R-Cu Zn 40 Pb 2 UNI 5705 for mod. 32-125, 32-160, 32-200, 40-200 | |||
| Shaft | Chrome steel 1.4104 EN 10088 AISI 430 | Carbon steel C 40 UNI 7845 | steel Cr-Ni-Mo AISI 316 |
| Shaft guard | — | Bronze G-Cu Sn5 Zn5 Pb5 EN 1982 chrome plated surface | |
| mechanical seal | Charcoal - Ceramics - NBR | - | Charcoal - Ceramics - NBR |
| Counter flanges | Steel Fe 430B UNI 7070 | ||
n = 2900 rpm
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