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Annovi Reverberi AR403-SP Diaphragm Pump

  • A reliable sprayer pump designed for lawn care, pest control, agricultural spraying, and more.
  • Three bolt flange shaft shown.
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Product Description

The Annovi Reverberi AR403-SP Diaphragm Pump delivers the performance you can rely on for the toughest medium pressure spraying applications, with maximum flow rates up to 10.7 gpm and pressures up to 580 psi.

Anodized aluminum liquid handling parts on this semi-hydraulic, three diaphragm pump from Annovi Reverberi permit the pumping and spraying of many common agricultural chemicals, such as liquid fertilizers, insecticides, herbicides, pesticides, and other hard-to-handle fluids. Easily combined with gas engines, electric motors, or hydraulic motors, the AR403-SP Diaphragm Pump is an excellent sprayer pump used for medium pressure treatments in a range of applications, including turf spraying, agricultural spraying, weed control, pest control, lawn care, de-icing, orchard and vineyard spraying, greenhouses, gardening, and more.

The included BlueFlex diaphragms are made with some of the best performing diaphragm material available, establishing a new standard for how durable a diaphragm can be. These diaphragms easily handle common agricultural chemicals, such as liquid fertilizers, pesticides, and herbicides, but also can be used to handle some aggressive and hard-to-handle liquids. The thickness and shape of the BlueFlex diaphragms have been carefully optimized to reduce mechanical stresses during the working cycle of the pump, even in tough operating conditions.


  • Max. Flow Rate: 10.7 gpm
  • Max. Pressure: 580 psi
  • Max. Pump Speed: 550 RPM
  • Max. Fluid Temperature: 140° F
  • Inlet Port: 1" NPT
  • Outlet Port: 1/2" NPT
  • Three bolt flange shaft
  • Three diaphragm pump equipped with BlueFlex diaphragms and Buna o-rings
  • Liquid Handling Parts: Anodized aluminum
  • Aluminum body
  • Die-cast casing
  • Clear sight glass
  • Weighs 20 lbs.
  • Pressure Regulator Recommendation: AR GR40
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