Angove Riverberry offers the SRMW22G26-EZ-SX and SRMW22G26-EZ 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) 180 degree rotated shaft configuration (SX) 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 driven by swash plate mechanism Two bearing systems, to support the pump shaft and pistons in hardened and tempered steel Pump head in pressed brass Double gasket sealing system Intake valves fitted above the pistons for greater efficiency RPM: 3,400 Shaft Size: 7/8" Max GPM: 2.2 Max PSI: 2,600 Inlet Thread: 3/4" GHA Discharge Thread: 22mm x 1.4M Specifications: Max GPM- 2.2 Max L/Min- 8.3 Max PSI- 2600 Ambar- 173 Power EBHP- 3.9 Bore Die mm- 12 Stroke mm- 7.5 Crankshaft ID Stamp- 7 Inlet- 3/4" GHA Outlet- 22mmx1.4 M Max Temp- 140 Degree F Oil Capacity (oz.)- 2.2 Weight- 7.3 RPM- 3400 Shaft Size- 7/8" Shaft Version- D Shaft Type- Hollow