Compact screw pumps for low pressure cooling and filtration up to 15 bar SMT8B three screw pumps are specifically engineered for heavy duty cooling and filtration applications. Their extremely compact design enables their use also in applications where there is no space for traditional screw pumps. SMT8B pumps are used in both industrial and mobile sectors for gear box lubrication and lube services, powerpack cooling, low pressure filtration, recirculation, hydro power and wind turbines.