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Centrifugal electric pumps one impeller » STM1
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STM1

stm1

SPECIAL EXECUTIONS

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CENTRIFUGAL ELECTRIC PUMPS ONE IMPELLER

The close-coupled centrifugal electric pumps with one impeller series STM have been designed to pump clear liquids, without abrasives and suspended solids, non-explosive or aggressive for the pump’s materials

  • Liquid temperature not higher than 35 °C for domestic use (CEI EN 60335-2-41) or 90 °C for other use, while the ambient temperature must not be higher than 40 °C
  • Flow rate up to ~ 18 m3/h
  • Heads up to ~ 60

TECHINACL FEATURES

  • Pump body: cast iron G20 with anti-corrosive coating
  • Motor bracket: in die casting aluminium  UNI 5076 (cast iron for STM 50, 150-550)          
  •  Impeller: Techno-polymer  (stamped brass UNI- EN 12165 for STM 150-550)
  • Pump shaft: stainless steel Aisi 304 (Aisi 420 F for STM 50-100)
  • Mechanical seal: carbon-ceramics

MOTOR

The control motors are asynchronous, squirrel cage-type, closed, with external ventilation

  • Incorporated motor protection and capacitor always on, for single-phase models
  • The motor protection for three-phase models must be installed by the customer. Equipment compliant with current standards should be used
  • Class of insulation:F-service:S1-Degree of protection: IP 44
  • Terminal board protection: IP 54

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