Handling clear or solids-laden liquids up to 200°F, 1–10 hp SVF High Temperature/High Endurance Submersible Vortex Pumps feature (NEMA) Class R motor insulation, rated for 428°F temperature rise, and offer motor protection via oil-lubricated double mechanical seal design with seperate lip seal. Vortex style impeller is mounted out of liquid flow path, and vortex pump design passes solids up to 90% of pump OD. Seal Minder® Moisture Detection and motor overload protection are also standard.