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SELF-PRIMING DIAPHRAGM PUMPS

LIBELLULA 1 - 3" - Contractor version


FEATURES

  • Dry-running capability. 
  • Rapid dry self-priming up to a depth of 7 meters in a matter of seconds. 
  • No seal or rotating part in contact with the pumped liquid. 
  • Can be used where there are abrasive or acid fluids. 
  • Wide passage for solid bodies (50 mm). 
  • Flow rate proportional to number of diaphragm pulses.  
  • Very simple, occasional maintenance. 
  • Rigid self-lubricated connecting rod or with spring (on demand).

BUILDING MATERIALS


Parts in contact with liquid: aluminium, anticorodal aluminium.
Parts not in contact with liquid: aluminium.
Diaphragms and valves: neoprene, oil proof tpv/nitrilic rubber.