6” Pumps 146 series
Manufactured completely in Bizzi & Tedeschi factory located in Campegine-Italy, it has independent stages that represent the maximum reliability level and duration in time for the radial flow pumps.
The 146 pump is of centrifugal multistage radial type equipped with coupling flange in accordance with NEMA norms, particularly suitable for working at very high heads (even higher than 500 m).
Cast iron stage body.
Coupling, shaft and suction filter are in stainless steel.
Impellers, disks and diffusers are made of Noryl, a thermoplastic material original Sabic (ex General Electric), very resistant to wear.
The diffusers are equipped with stainless steel inserts in correspondence of the wearable zones in contact with the impellers to provide smooth rotation and long life.
Stainless steel shaft sleeves plated in thick chromium, which rotate inside rubber abrasion-proof bearing bushes to grant high wear resistance.
Check valve in bronze with rubber ring.
Valve body and suction casing in cast iron.
Tie rods in stainless steel with high resistance, suitable for stage bodies assembling.

Working limits:
Max sand content: 100g/m3
Max working time with closed outlet: 2 min.

Sense of rotation and electrical motor
146 pumps rotate anti-clockwise viewed from the delivery casing. They are equipped with Bizzi & Tedeschi water bath type rewindable motors PA6 series up to 37 kW or else with 4” PL4 up to 5,5 kW.
See the relative brochures for motors details.
Performance range at 2900 r.p.m.
Pump Delivery
Manometric Head
Power range
data card
146-A 120 - 270 495 - 120 2,2 - 18,5 146-A Serie 146
Serie 146
146-B 150 - 300 494 - 150 2,2 - 22 146-B
146-C 240 - 400 468 - 240 3 - 30 146-C

Fields of application:
Agricultural irrigation
Municipality, domestic and industrial water supply
Fire-fighting systems
Artificial snow -making systems
6'' serie 146
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