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AR503 - 550 rpm, Semi-Hydraulic, Three-Diaphram Medium Pressure Pump


GR3/4-GCI Gear Reduction AR1636 and RM40 Control Unit


AR503 Features:

  • Hollow 3/4" shaft connects pump directly to your power source 
  • Delivers a flow rate of up to 14.3 GPM
  • Maximum pressure of 580 PSI ensures efficient water distribution for agricultural plots, livestock tanks, and irrigation systems
  • Anodized aluminum pump head provides longevity and protection against harsh environmental conditions, reducing maintenance and downtime


RM40 Control Unit for medium pressure diaphragm pumps with working pressure regulating valve, by-pass control lever and glycerine bath pressure gauge with colored dial. Suitable for AR 503, AR 30 and AR 50 pumps. 



Pump Breakdown

AR North America AR503-GR3/4-GCI

  • Suction: 1 - 1/4"
    Discharge: 3/4" NPT
    Maximum Flow: 14.3 GPM (54.1 LPM)
    Maximum Pressure: 580 PSI (40 BAR)
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