Annovi Reverberi AR50-SP 550 RPM semi-hydraulic two diaphragm pump for use in gardening, lawncare  or semi-professional agricultural sector for small sprayers for medium-pressure fertilizer / pesticide treatments in gardens, greenhouses, orchards or vineyards. 5.2 bhp, Maximum 14.8 GPM and 580 PSI. 1-1/4″ Suction x 1/2 NPT Discharge.  50 Lbs. 9 HP Engine recommended..

SP is the basic / replacement pump less gearbox.

Alternate Versions:

SP/A1  -1″ (25 mm) Solid Keyed Through Shaft ( Pump has an extra shaft coming out of the back of the pump to drive a fan or to drive a mechanical agitator)

GR3/4-GCI 3/4 hollowshaft Gear Box Drive with Control Valve for connecting to a gas engine with a 3/4″(19mm) shaft

GR1-GCI 1″ hollowshaft Gear Box Drive with Control Valve for connecting to a gas engine with a 1″(25mm) shaft

• Pump body and parts in contact with pumped liquids in plastic-coated aluminum
• Diaphragms available in Nitrile Buna Rubber, 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

Please call for current price & availability

NOTE: The Annovi Reverberi AR50 is a replacement for the discontinued Hypro 9910-D50 Diaphragm Pump.