The Grundfos CM SP self-priming pumps are horizontal, multistage, end-suction centrifugal pumps. They aredesigned for a wide variety of applications, ranging from small domestic installations to small industrial systems.


The pump is fitted with a 1-phase, fan-cooled asynchronous motor.

  • Ambient temperature: From -20°C to +55°C
  • Liquid temperature: From 0 to +60 °C
  • Max operating pressure: 16 bar
  • Material: Cast iron housing / stainless steel 304 impeller/chambers
  • Mechanical shaft seal: AQQE - Silicon Carbide/Silicon Carbide/ EPDM (others on request)
  • Enclosure class: IP 55
  • Motor efficiency: Three-phase motors ? 0.75 kW are IE3-compliant as standard
  • Maximum Suction Depth (MSD): 4 metres for models listed
  • Supply voltage: 1 x 220-240 Volt 50 Hz

Note: Three phase motors up to 1.1 kW are not suitable for freq uency converter operation