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AR70BP-SP Low Pressure Diaphragm Pump


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SKU: AR70BP-SP Categories: ,


AR70BP-SP ?550 RPM – Semi-Hydraulic Two Diaphragm Pump

This ‘-SP’ version does not come with Gearbox or Control Unit. This is a bare pump which will need a Control Unit to operate.

140?F – Max Water Temp | 35 mm – Suction | 1? – Outlet

  • SP – Single shaft w/ 3 or 6 threaded holes or, in other models cylindrical & key shaft
  • Alternating volumetric pump with two semi-hydraulic diaphragms for use in agriculture in low pressure systems for spraying open field crops with fertilizers, pesticides or weed killers
  • Parts in contact with pumped liquids in Rilsan-coated aluminum, nylon and stainless steel
  • Diaphragms in NBR, H.P.D.S.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.


Max GPM 19.6
Max L/Min 74.1
Max PSI 290
MaxBar 20
Outlet 1″
Max Temp 140? F
HP 3.4
Weight 26
Suction 30 mm
Pressure Low



Additional information

Weight 26 lbs
Dimensions 12 × 12 × 12 in


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Prop 65 Warning!

This product can expose you to chemicals which are known to the State of California to cause cancer.