RS20 Sandpiper Air Operated Double Diaphragm High Efficiency Metallic Pump

AirVantage is an innovative technology for Air Operated Double Diaphragm pumps that significantly reduces air consumption over conventional AODD pumps.

  • Smart Learning System
    Modulates pump performance to optimize energy usage and match changes in system demand.
  • Adaptable Efficiency
    Automatically adapts to changing process conditions by constantly managing the amount of air that is used to drive the pump.
  • Completely Self Sustaining
    Self-contained 12v power generation module, only needs compressed air. No need for batteries or hard-wiring.


Port Size
2″ NPT / BSP
0 to 145 gpm (548 lpm)
Air Distribution Valve
No-lube, no-stall design
Up to .25″ (6 mm)
Heads Up To
125 psi or 289 ft. of water (8.6 bar or 88 meters)
.42 gallons (1.59 liters)
Max Operating Pressure
125 psi (8.6 bar)
Shipping Weight
Aluminum: 84 lbs. (38 kg.)
Cast Iron: 150 lbs. (68 kg.)
Stainless Steel: 135 lbs. (61 kg.)

Click here for RS20 High Efficiency Pump Data Sheet.