Annovi Reverberi AR403-GR3/4-GCI 550 RPM semi-hydraulic two diaphragm alternating volumetric pump for use in gardening or semi-professional agricultural sector, trolley-mounted in combination with electric motors or internal combustion engines for gardening, and small sprayers for medium-pressure pesticide treatments in gardens, greenhouses, orchards or vineyards.

GR3/4-GCI version Gear Reduction AR1636 with 3/4" Hollow Shaft and GR40 Control Unit

  • Parts in contact with pumped liquids in plastic-coated aluminium and body in aluminium
  • Diaphragms in NBR, Desmopan or Viton
  • Seals in NBR or Viton
  • Die-cast casing with oil-immersed mechanism and clear plastic tank for visual level checking
  • Pistons with ring for a more efficient “oil cushion” system to protect the diaphragm
  • New-design diaphragm cut-out system to prevent contact tearing even in heavy-duty operating conditions
  • Spherical sector profile valves for lower flow resistance and improved volumetric efficiency

Diaphragm Kits:
AR43289 - Blueflex
AR43287 - Desmopan
AR43286 - NBR

Valve Kits:
AR2388 - Valves

O-Ring Kits:
AR2389 - O-Rings

AR64516 - Oil



Max GPM 10.7
Max L/Min 40.7
Max PSI 580
MaxBar 40
Inlet 1"
Outlet 1/2" NPT
Max Temp 140°F
HP 3.7
Weight 32
RPM 550
Shaft Size 3/4"
Shaft Type Hollow

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