![Self-priming centrifugal pumps with an open impeller A Self-priming centrifugal pumps with an open impeller A](https://import-nasos.com/image/cache/catalog/calpeda/A/a-1-140x100.jpg)
Self-priming centrifugal pumps with an open impeller A
Design
Self-priming monobloc centrifugal pumps with open impeller. The anti-back suction device integrated in the absorbent bell prevents the back suction effect when stopped and ensures that it is re-suctioned every time it is turned on. The pump is self-priming even if it is
partially filled with rarity and the suction pipe is completely empty.
Bronze pumps are supplied fully painted. with suspended solids up to diameters: - 10 mm for pumps A 40, A 50 - 15 mm for pumps A 65, A 80. For draining bathtubs or ditches. For watering. For use in domestic and industrial areas.
Operating restrictions
Fluid temperature from -10 to +90°C. 40°C.
Final pressure in the pump housing: 6 bar (10 bar for pumps A 80-170)
Continuous operation.
electric motor
Induction motor, 2-pole, 50 Hz, 2900 rpm.
A: three-phase up to 3 kW - 230/400 V (± 10%);
from 4 to 7.5 kW - 400/690 V (± 10%).
AM: 230V mono phase (±10%) with thermal protector. The capacitor is built into the terminal box.
Class "F" insulation.
Protective device IP 54.
Device in accordance with IEC 60034.
Special executions on request
- other voltages
- frequency 60 Hz (see catalog for frequency 60 Hz)
- with protection device IP 55
- special mech. seal
- for media with higher or lower temperatures
- version with explosion-proof motor according to Directive 94/9/CE (ATEX)
- version with base
Component AB-A Pump casing Suction
flange Inspection
cover (for mod. A65-A80)
Connecting part
Impeller Bronze G-Cu Sn 10 EN 1982
Shaft Chrome steel 1.4305 EN 10088 (AISI 30 40
Filter cover Cast iron GJL 200 EN 1561
Bronze G-Cu Sn 10 EN 1982
Fur. sealCharcoal-ceramic-NBR
download the entire calpeda catalog download catalog A
download manual A download spare parts A
Specifications:
n = 2900 rpm
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