DELTA 50 ALM pump with AISI 304 stainless steel cradle

The best solution for the suction and transfer of liquids thanks to the strong self-priming capacity and the possibility of operating even with irregular presence of the liquid during suction. The ALM series, made entirely of AISI 316 stainless steel, is particularly suitable for corrosive and food liquids. Equipped with oversized single-phase asynchronous motors and long-life rotary switches, they are designed for demanding applications. For each application, it is necessary to check the suitability and select the appropriate seals.

Hydraulic data

  • Maximum flow rate : 200 ltr./min
  • Maximum delivery head : 27 m
  • Density on the shaft: Mechanical seal
  • Maximum priming height : 6 m
  • Threaded nozzle: 2"
  • Maximum liquid density 1.1g/cm3 free of hard particles in suspension
  • Maximum temperature 90°C
  • Not suitable for aggressive liquids towards pump materials and seals (see technical data)
  • Not suitable for the transfer of gasoline, solvents and generally in environments with explosion and fire hazards
  • Possibility of reversing the pump flow
  • Coupling with impeller locked on the shaft
  • Possibility of working for short periods with closed pipes
  • During installation, the pump must be filled with liquid, afterwards this operation is no longer necessary

Technical data


  • Pump parts: AISI 316
  • Shaft: AISI 316
  • Impeller: AISI 316
  • Standard seals: NBR
  • Mechanical seal ceramic/graphite/Nbr


  • Powered by a single-phase asynchronous 230V 50Hz
  • Equipped with MEC 90 motor (1400 rpm 2.0HP / 1.5 KW)
  • Ip protection class X4
  • Insulation class F
  • Power connection via cable with 2m Schuko plug
  • Switching on and reversing the pump flow via inverter switch
Pump features
Nozzle∅ Hose nozzlesPriming capabilityQmaxHmax
2"50 mm6 m200 ltr/min27 m
Flow rate (l/min)
197 ltr/min164 ltr./min132 ltr/min67 ltr/min
Overall dimensions
WLHWeightLeq A*
438 mm200 mm250 mm22.0 kg83 dB
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