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Annovi Reverberi offers the SRMW22G26-EZ and SRMW22G26-EZ-SX 2,600 PSI triplex plunger pumps in two different mounting configurations. This pump is for vertical gas engine-driven units. Please reference the pictures below showing the mounting difference between the two models. Specifications: 2.2 GPM at 2,600 PSI and spins at 3,400 RPM. This pump mounts directly on to the engine shaft by using a keyed hollow shaft connection system. The mounting flange provides a convenient connection to most 7/8” diameter shaft vertical gas engines in 4 – 7 HP (reference the cc to HP chart) and fits most OEM carts. The pump includes a built-in pressure control valve, downstream chemical injection system, EZ start valve, and thermal relief valve.


  • The “S” version has upgraded grade valves
  • Comes with Easy Start Valve (EZ)
  • Thermal relief valve included
  • 3-piston alternating volumetric pumps for use on cleaning units
  • Can be directly coupled to various types of motors
  • Different delivery connections available
  • Optional detergent suction system
  • Integral regulating valve
  • Pump body in die-cast aluminum alloy
  • Pistons are driven by swash plate mechanism
  • Two bearing systems, to support the pump shaft and pistons
  • Pistons in hardened and tempered steel
  • Pump head in pressed brass
  • Double gasket sealing system
  • Intake valves fitted above the pistons for greater efficiency


  • Max GPM: 2.2
  • Max L/Min: 8.3
  • Max PSI: 2600
  • MaxBar: 173
  • Power EBHP: 3.9
  • Bore Dia mm: 12
  • Stroke mm: 8.3
  • Crankshaft ID Stamp: 5
  • Inlet: 3/4″ GHA
  • Outlet: 22mmx1.4 M
  • Max Temp: 140° F
  • Oil Capacity (oz): 2.2
  • Weight: 7.3
  • RPM: 3400
  • Shaft Size: 7/8″
  • Shaft Version: D
  • Shaft Type: Hollow