RHDB2 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
0 to 130 gpm (492 lpm)
Air Distribution Valve
No-lube, no-stall design
Up to 3/8″ (9 mm)
Heads Up To
125 psi or 289 ft. of water (8.6 bar or 88 meters)
.47 gallons (1.9 liters)
Max Operating Pressure
100 psi (7 bar)
Shipping Weight
Aluminum: 112 lbs. (51 kg.)
Cast Iron: 161 lbs. (73 kg)
316 Stainless Steel: 173 lbs. (78 kg)

Click here for RHDB2 High Efficiency Pump Data Sheet.