Gusher GMVCP Series: RAE’s GMVCP Series vertical multistage immersion pumps are intended for industrial use to carry fluids such as water, coolant, lubricants, cleaning solvents and other low-corrosive fluids. Comparable to Grundfos CRK Series pumps. These non-self-priming pumps feature a coupling connection between the pump shaft and motor shaft. Stainless steel construction of immersed parts ensures corrosion-free operation. All stainless construction is available as an option; consult factory for more information.