AR30-GR3/4-GCI Diaphragm Pump


The AR30-GR3/4-GCI is a medium pressure, two diaphragm pump assembly that is popular in the lawn care industry. 

GR3/4-GCI version Gear Reduction AR1636 with 3/4" Hollow Shaft and GI40 Control Unit

  • 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

The AR30-GR3/4GCI is a direct replacement for the Hypro D30. 

The GRGI model allows the D30 to be connected to a 4-6.5 HP gas engine with a 3/4" shaft.

Replacement parts include:

Diaphragm Kits:
AR43285 - Blueflex
AR43283 - Desmopan
AR43282 - Buna

Valve Kits:
AR1917 - Valves

O-Ring Kits:
AR1916 - O-Rings

AR64516 - Oil

AR30-GR3/4-GCI Specifications:

Max GPM: 9.6 GPM

Max PSI: 580 PSI

Max RPM: 3600 RPM

Max Fluid Temp.: 140 F

Diaphragm Material: Desmopan

Inlet Barb: 1"

Outlet: (2) 1/2" & (1) 3/4" bypass

Weight: 33 Lbs

Oil Capacity: 18 oz

Click Here for AR30-SP Parts Manual.

You recently viewed

Clear recently viewed