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Self-priming centrifugal electric pumps » STJ
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The following contact form must be used only by companies and professionals. For final users and/or physical person, please contact our technical support no. +39.049.9930154.

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STJ

stj

SPECIAL EXECUTIONS

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SELF-PRIMING ELECTRIC PUMPS 2 IMPELLER

The self-priming centrifugal electric pumps series STJ have been designed to pump clean water from wells, even if mixed with gas

  • Maximum suction up to 8-9 m
  • Liquid temperature not higher than 35 °C for domestic use (CEI EN 60335-2-41) or 60 °C for other use, while the ambient temperature must not be higher than 40 °C
  • Flow rate up to ~ 9 m3/h
  • Heads up to ~ 60 m

TECHNICAL FEATURES

  • Pump body: cast iron G20 with anti-corrosive coating Motor bracket in die casting aluminium  UNI 5076
  • Diffuser, Nozzle & Venturi tube: Techno-polymer        
  • Impellers: Techno-polymer (stamped brass UNI-EN 12165 available on demand)
  • Pump shaft:: stainless steel Aisi 304
  • 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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