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
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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 |
- AR303_AR403 Manual
- AR303_AR403 Breakdown Manual