caffini pumps
caffini pumps
self-priming diaphragm pumps
libellula 2-4 performace curves drive units spare parts cutaway on-line catalogue LIBELLULA 2 - 4"
FEATURES
• Dry-running capability.
• Rapid dry self-priming up to a depth of 7 metres 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.
• Self-lubricated spring connecting rod.

BUILDING MATERIALS
Parts in contact with liquid: aluminium, anticorodal aluminium, cast iron, AISI 304 or 316 stainless steel, Rilsan plastic coating, fluorinated resin coating (Blue Armor®).
Parts not in contact with liquid: cast iron.
Diaphragms and valves: neoprene, dutral, hypalon, viton, nitrile rubber, non-toxic rubber, non-toxic silicone