Bids Are Invited For Acquisition Of 01 (One) Progressive Cavity Helical Pump Intended For Pumping Sludge From The Water Treatment Plant – Eta, Including Electric Motor, Metal Base And Accessories Necessary For The Full Operation Of The Equipment, In Accordance With The Terms Of Reference.

Helical Pump- Rods And Nuts In Stainless Steel 304- Housing In Gray Cast Iron (Gg-25)- Rotating Parts In Stainless Steel 420- Rotor In Hard Chrome Steel Um40, Chrome-Plated- Stator In Elastomer Compatible With Eta Sludge- Type Jn Joints With Sealing In Nbr- Shaft Gasket: Mechanical Seal - Direction Of Rotation: Counterclockwise - Installation: Horizontal - Minimum 4 Flanged Suction Nozzle - Asme B16.1 - 125 Psi - Ff; Vertical (Observe Item 1.2) - Minimum 4 Flanged Pressure Nozzle - Asme B16.1 - 125 Psi - Ff; Horizontal (Observe Item 1.2)Working Conditions:- Product For Pumping: Eta Sludge- Solids Content Up To 6%-Pumping Temperature: Ambient- Design Flow: 69M³/H- Nominal Flow: 71 M³/H- Suction: (-) 5 M- Total Manometric Height: 4.0 Bar- Maximum Rotation Of 242 Rpm - Minimum Absorbed Power Of 18 Cv (17.75 Hp) - Supply Voltage: 220/380/440V – 60 Hz - Three-Phase System Composition: - 01 Helical Pump - 01 Gear Motor; N= 242 Rpm; I = 7.35: M1: Electric Motor With Minimum Power Of 30Hp – Minimum Efficiency Ir3 (Premium High Efficiency); 4 Poles; 220/380/440/760V; 60Hz; Three-Phase Tfve; Ip-55: Class “F” Insulation. Nemo Model – Nm090by01l 7J, Equivalent, Similar Or Of Better Quality.