Centrifugal Pump Calpeda A 50-125CE


Centrifugal Pump Calpeda A 50-125CE close coupled centrifugal pump with open impeller. The built-in backflow preventer avoids reverse siphoning when the pump is stopped and assures automatic re-priming at the next start. The pump re-primes itself even if partially filled with liquid and with completely empty suction pipe.
This version with pump casing and lantern bracket in cast iron.

Applications :

  • For clean or slightly dirty water, also with solids up to 10 mm grain size for A 40, A 50 and 15 mm for A 65, A 80
  • For draining a basin or a sump
  • For irrigation
  • For civil and industrial applications

Operating Conditions :

  • Liquid temperature from -10 deg. C to +90 deg. C
  • Room temperature up to 40 deg. C
  • Maximum permissible working pressure up to 6 bar
  • Continuous duty

Motor :

  • 2 pole induction motor, 50 Hz (n = 2900 rpm)
  • Three phase
    230/ 400 V +/- 10% up to 3 kW
    400/ 690 V +/- 10% from 4 to 7,5 kW
  • Insulation class F
  • Protection IP 54

Materials :

Pump casing
Suction flange
Inspection cover
Lantern bracket
Impeller
Cast iron
ShaftChrome nickel steel
Mechanical sealCarbon – Ceramic – NBR

Special Features on Request :

  • other voltages
  • Frequency 60 Hz
  • Protection IP 55
  • Special mechanical seal
  • Higher or lower liquid or ambient temperatures
  • Construction with bearing bracket

Performance specification :

ModelA 50-125CE
Voltages230 V 3.3 A
400 V 1.9 A
Maximum power input (P1)1.2 kW
Rated motor power output (P2)0.75 kW 1 HP
Capacity6 m³/h 100 l/min ; Head 12,8 m
9 m³/h 150 l/min ; Head 12,2 m
12 m³/h 200 l/min ; Head 11,3 m
15 m³/h 250 l/min ; Head 10 m
18 m³/h 300 l/min ; Head 8,5 m
21 m³/h 350 l/min ; Head 7 m
24 m³/h 400 l/min ; Head 5,3 m
27 m³/h 450 l/min ; Head 3,3 m
Input2 Inch
Output2 Inch

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