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Centrifugal electric pumps one impeller » STC
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STC

stc

SPECIAL EXECUTIONS

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CENTRIFUGAL ELECTRIC PUMPS WITH OPEN IMPELLER 1"1/2

The close-coupled centrifugal electric pumps with one impeller series STC 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 ~ 30 m3/h
  • Heads up to ~ 22 m

TECHNICAL FEATURES

  • Pump body: cast iron G20 with anti-corrosive coating
  • Motor bracket: cast iron G20 with anti-corrosive coating            
  •  Impeller: cast iron G20 with anti-corrosive coating (Techno-polymer for STC 80-100)
  • Pump shaft: stainless steel Aisi 304 (Aisi 420 F for STC 80-10         0)
  • 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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