AR North America AR40-SP/A3/4 Semi-Hydraulic 2 Diaphragm Alternating Volumetric Pump w/ 3/4" Shaft

AR40-SP/A3/4, Semi-Hydraulic 2 Diaphragm Alternating Volumetric Pump with 3/4" Solid Keyed Through Shaft

Annovi Reverberi AR40-SP/A3/4 550 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.

Features:

• 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