Equip your spray unit with this Comet APS51/GR5 Diaphragm Pump to increase your performance in many of your professional spraying applications.

The Comet APS51/GR5 Diaphragm Pump, which includes a 1204.0680 Pressure Regulator and a 5005.0216 Gear Reducer for attaching to a gas engine with a 3/4" shaft, is a high pressure, three diaphragm pump that is internally manifolded with anodized aluminum heads that results in less leak points. This enables the pump to handle pumping a variety of agricultural chemicals, such as herbicides, pesticides, liquid fertilizers, insecticides, fungicides, ice melt, and other hard-to-handle fluids. Perfect for professional applications, such as agricultural spraying, crop spraying, low-height tree spraying, pest control, weed control, lawn care, foam insulation, mold removal, hydrostatic testing, and much more.

This Comet Diaphragm Pump is self-priming and can be run dry without damage. It is commonly found on tractor or trailer-mounted dusters and sprayers.

Order the Comet 5026.0084 Repair Kit if you require replacement diaphragms, valves, and o-rings for the APS51/GR5 Diaphragm Pump.

Specifications:
  • Comes with 1204.0680 Pressure Regulator and 5005.0216 Gear Reducer for gas engines with a 3/4" shaft
  • Max. Flow: 14.5 GPM (55 LPM)
  • Max. Pressure: 350 PSI (24 BAR)
  • Max. Pump Speed: 550 RPM, 3600 RPM (when attached to engine)
  • Max. Fluid Temperature: 104° F (40° C)
  • Inlet Port: 1-1/4"
  • Outlet Port: 1/2"
  • Bypass Port: 1"
  • No. of Diaphragms: 3
  • Anodized aluminum liquid handling parts
  • Clockwise and counterclockwise pump shaft rotation
  • Self-priming operation
  • Runs dry without damaging
  • Weighs 43 lbs.


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Comet 5026.0084 Repair Kit for APS51 Diaphragm Pump