Bids Are Invited For Submersible Pump For Draining And Repressing Effluents, Wastewater, Rainwater, Cloudy Liquids And Light Sewage, With A Minimum Power Of 1/2 Cv, Single-Phase Power Supply At 127V, Frequency Of 60 Hz And Minimum Maximum Flow Of 15,900 Liters Per Hour. Submersible, Portable Equipment, With Robust Construction In Cast Iron Or Material Of Equivalent Or Greater Mechanical Resistance, With Vortex Or Semi-Open Rotor Capable Of Passing Suspended Solids Of At Least 20 Mm, Suitable For Continuous Operation In Aggressive Environments And Heavy Drainage Applications. It Must Have A Minimum Degree Of Protection Ip68, Stainless Steel Shaft, Mechanical Seal Resistant To Abrasion And Corrosion, Pressure Of 2 Inches, Rotation Of Approximately 3,500 Rpm, Insulation Class F Or Higher And Electrical Cable With A Minimum Length Of 5 Meters. The Equipment Must Be Supplied Complete, New, Unused, With A Minimum Warranty Of 12 Months And Compatible With Applications In Wells, Drainage Boxes