Product Description

SAER SUBMERSIBLE MOTORS MS251 10

FEATURES water submersible motor, retractable, with winding in PVC or PE . Filling liquid: clean water with glycol propylene. Pre-filled motors, fill-up provided as standard. Shaft: toothed cylindrical with keyway. Protection: IP68 Shaft entirely in stainless steel AISI 431 stainless steel outer sleeve 304 Thrust Bearing Bidirectional Kingsbury type bearing counter- water-lubricated bearings Safety Valve A compensation membrane on the bottom of the motor ensures a balance of pressures inside / outside together with the change in water volume due to the change in temperature. Standard, double system of shaft seal: mechanical seal silicon carbide bi / Tungsten Carbide + guard with laminar seal. Rotation: clockwise / anti-clockwise cable suitable for use with drinking water All engines are tested to 100%. Test certificate supplied on request. SAER submersible motors are suitable for use with variable frequency. Please contact our technical service for more information. MS251 series motors do not require auxiliary systems of cooling under normal conditions of operation. Max water temperature: PVC: 25 ° C, PE: 50 ° C. Tables derating on page. 64. Maximum number of starts / h: P (kW) Starts / hour 75 ÷ 132 20 ÷ 185 15 150 voltage variation: +10% / -10% Maximum submergence: 200 m Installation: vertical / horizontal (up to 170 kW) Axial load Maximum capacity: 45 kN Protection: protection must be provided by the customer and must be according to EN 60947-4-1 Trip time <10 s to 5 x In DATA Power: 75 kW to 185 kW Frequencies: 50 Hz ( 3000 1/min) and 60 Hz (3600 1/min) Standard voltages: 400 V – 50 Hz / 460 V – 60 Hz, to request other voltages up to 700 V Tolerance on the characteristics according to IEC 60034-1 Hydraulic characteristics Dimensions and weights Nomenclature