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Roto Pumps – a market leader in PD (Positive Displacement) pumps – is known for providing highly efficient AODD pumps. In South African market, the demand for Air Operated Double Diaphragm (AODD) Pumps is quite high. AODD pumps are a type of Positive Displacement Pumps. The best part is that these pumps do not require any electric motor to operate. So, while employing compressed air to function, these pumps prove to be ideal choice for low-pulsation and proper liquid flow. Moreover, the maintenance cost of these pumps is low compared to other types of Positive Displacement pumps.

While opting for Roto’s AODD pumps, the customers have a wide range of materials to choose from – which includes Aluminum, Teflon, PVDF, Stainless Steel or Ductile Iron. These PD pumps are designed to bear a maximum capacity of up to 60 m3/hr or 265 GPM and pressure of up to bar or 145 PSI.

AODD

Capacity upto 60 m3/hr or 265 GPM
Pressure upto 10 bar or 145 PSI

  • Low noise
  • Low vibrations
  • Excellent abrasive liquid resistance
  • Very compact design
  • Up to 35% lower air consumption
  • Operating in each position
  • Dry running capability
  • Low maintenance cost
  • High stroke frequency i.e. low liquid pulsation
  • Equipped with PEEK at valves
  • Material choice for machined pump body
  • Standard PTFE/NBR backup diaphragm

 

Series Polypropylene/pvdf Stainless steel 316 Ductile Iron ALUMINIUM
Max. Capacity(LPM/GPM) 1000/264 882/233 1041/ 275 927
Max. Pressure(Bar) 10 10 12 12
Max. Suction Lift Dry (m) 4.57 6.9 6.7 6.9
Max. Suction Lift Wet (m) 9.3 9.5 9.5 8.6
Max. Size of Solid (mm) 6.35 9.5 10 6.4
Max. Temp. Pump (Deg C) 130 130 130 130
Part Name Wetted Part Diaphragm Valve Ball
Material Options
Polypropylene Teflon PTFE
Glass Filled Pp Neoprene Nitile Rubber
Polyvinylidene Fluoride Hytrel Santoprene
Stainless Steel 316 BUNA Vitone
PTFE EPDM Stainless
Aluminium Vitone
Nitile Rubber
Santoprene
  • Liquid level controllers
  • Dry run protection
  • Air preparation
  • Hoses
  • Valves
  • Pulsation dampeners
  • Soft starters

 

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