Innovative coolant pump for rail and wind power

SR Series with canned motor

Speck has been producing pumps for rail vehicles for over 40 years and is now also producing pumps with a canned motor for cooling liquid-cooled traction system converters and for cooling wind power plant transformers.

  • Water glycol mixture or oil up to + 85 °C
  • Ambient temperatures up to -50 °C
  • SAE or round flange
  • Static seals only (O-rings)
  • Max. 40 m
  • Max. 33 m³/h

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Speck SR032125-01 - Innovative coolant pump for rail and wind power


Canned pump with asynchronous cage motor

  • Separation of the liquid-loaded rotor from the dry stator package via a statically sealed stainless steel can
  • No shaft seal, leak-free
  • Motor casing in lightweight design, aluminium die casting
  • Pressure class PN 10


3-phase cage motor DIN EN 600034-1

  • P2: 2,2 kW, 380–400 V, 50 Hz, 2850 min-1
  • P2: 2,6 kW, 460–480 V, 60 Hz, 3400 min-1
  • Frequency converter operation suitable
  • Motor cast with epoxy resin:
    No condensate formation
    Improved heat transfer
    Protection from vibrations and oscillations

Approvals, tests and standards

  • Railway standard EN-60349-2
  • Shock and shaking test DIN-IEC 61373
  • Fire protection certification EN-45545
  • Salt spray fog test DIN EN ISO 6227 SS