STJX

Self-priming centrifugal electric pumps

The self-priming centrifugal electric pumps series STJX 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 ~ 4 m3/h
  • Heads up to ~ 50 m

TECHNICAL FEATURES

  • Pump body : stainless steel AISI 304
  • Motor bracket : die casting aluminium UNI 5076
  • Diffuser, Nozzle & Venturi tube: techno-polymer
  • Impeller : techno-polymer STJX 53-62-82-100
  • Impeller : stainless steel AISI 304 STJX 100-120-124
  • Pump shaft : stainless steel AISI 420F STJX 53-62-82-100
  • Pump shaft : stainless steel AISI 304 STJX 102-122-124
  • 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

RICHIEDI MAGGIORI INFORMAZIONI