FKV, submersible pumps for sewage

• Vortex impeller with maximum solids handling with new no-clogging shape;
• Single-unit cartridge seal with double mechanical seals, SiC-SiC at the pump side, SiC-C at the motor side;
• All seals are independent of rotation direction. DN 65, DN 80, DN 100 radial slot EN 1092-1 flange discharge.
• Liquid Viscosity : 1mm2/s

Motor construction

• Premium Efficiency IE3, three-phase, squirrel-cage motor;
• Continuously S1 rated motor in submerged applications, or discontinuous S3 according to minimum levels;
• Seal monitoring by a moisture sensor in the seal chamber, which signals an inspection alert if there is leakage at the mechanical seals (optional);
• Bi-metallic switch in stator windings, with max temperature (150°C);
• Start-up: 1.1 - 4.0 kW = direct on line (DOL); 5.5 - 11.0 kW = star-delta (Y/∆);
• Lubricated-for-life bearings with a calculated lifetime of minimum 50,000 hrs;
• Stainless steel shaft;
• Designed with high resistance fatigue fracture;
• Degree of protection: IP 68;
• Insulation class: F;
• Max starting /hours: 20.

• Impeller type: Vortex;
  
• Solid handling: 65 ÷ 100 mm;
  
• Nominal power: 1,1 ÷ 11 kW;
  
• Outlet: DN 65 / 80 / 100;
  
• Perfomance range: from 4.3 to 100 m3/h with 41 meters head;
  
• Fluid: wastewater and sewage from buildings and sites in private, commercial, industrial areas;
  
• Fluid PH: 6.5 ÷ 12;
  
• Fluid temperature range: from 0° to +40°C. For higher temperature please contact our sale offices;
• Max installation depth: 20 mt (with a proper cable length);
• Type of installation: fixed by Coupling Unit, portable in vertical position with pedestal;
• Continuous working with total submerged applications, or discontinuous S3 with respect of minimum levels;
• Approvals: EN 12050-1 e Ex (ATEX , IECEx).