รายละเอียดเพิ่มเติม
Calpeda pump
End-Suction Centrifugal Pumps standardized EN 733
N, N4
Construction
Single-stage end-suction centrifugal pumps, with bearing bracket.
Nominal duty points and main dimensions in accordance with EN 733. Back Pull-Out construction, for simple and quick dismantling and reassembly.
N, N4: version with pump casing and lantern bracket in cast iron.
B-N, B-N4: version with pump casing and lantern bracket in bronze.
(the pumps are supplied fully painted).
Rated speed of rotation (50 Hz): N ≈ 2900 rpm.
N4 ≈ 1450 rpm.
Connections: PN 10 flanges EN 1092-2.
Counter-flanges (on request)
Sizes Flanges
from 32-160 to 50-250 Screwed flanges PN 16 EN 1092-1
from 65-125 to 150-400 Flanges for welding
PN 10 EN 1092-1
Shaft sealing
– Standardized mechanical seal in accordance with ISO 3069.
– Stuffing box seal (on request).
Applications
- For clean liquids, without abrasives, which are non-aggressive for the pump materials (contents of solids up to 0.2%).
- For water supply.
- For heating, air conditioning, cooling and circulation plants.
- For civil and industrial applications and for agriculture.
- 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 N 32L-160,200; N,N4 40-160,200; N,N4 50-125,160; N,N4 65-125,160,200,250; N,N4 80-160,250,315,400; N,N4 100-200).
- Maximum permissible rotation speed.
Pump-Motor unit
- N,N4 pump connected to a standard electric motor in B3 construction form (EN 60072-1), by means of a baseplate, driven by a flexible coupling and with coupling protection.
- Three-phase 400 V , 50 Hz
- Classification scheme IE3 for three-phase motors from 0,75 kW.
- IP 55 protection.
- Motor suitable for operation with frequency converter.
รีวิว
ยังไม่มีบทวิจารณ์