Canned Motor Pumps

HERMETIC/ LEDERLE Pumpen GmbH holds a world leading position in the global market of sealless pumps. The range of HERMETIC/ LEDERLE pumps covers horizontal and vertical centrifugal canned motor pumps. This includes single stage and multi stage standard pump designs and a variety of special designs and tailor made alternatives for specific customer needs, such as API 685 pumps.

HERMETIC-pumps can operate in environments with fluid temperatures that span from -160 °C up to +480 °C, system pressures up to 120 MPa and powers between 1 kW up to 670 kW. To date we supplied more than 182.000 HERMETIC pumps world-wide for the most severe toxic or hazardous applications, which require zero leakage tolerance.

Canned Motor Pump Type CN
  • Normal-suction design
  • Dimensions and performance curves in accordance with EN 22858;
       ISO 2858
  • Explosion protection as per EC-type examination certificate
       according to directives 94/9/EG ATEX II 2 G
       EEx de II cT1 to T6 / II 2 G ck II C Tx
  • Capacity: max. 1600 m3/h
  • Head: max. 220 m
  • Rotating speed: 1450 to 3500 rpm
  • Operating temperature: -120 °C to 360 °
  • max. 300 mm2/S
  • Pressure ratings: PN 16 and PN 25
Canned Motor Pump Type CNF
  • Normal-suction design
  • Liquefied gas design
  • Dimensions and performance curves in accordance with EN 22858;
       ISO 2858
  • Explosion protection as per EC-type examination certificate
       according to directives 94/9/EG ATEX II 2 G
       EEX de II C T1 to T6 / II 2 g ck II C Tx
  • Capacity: max. 1600 m3/h
  • Head: max. 220 m
  • Ratating speed: 1450 to 3500 rpm
  • Operating temperature: -120 °C to +360 °C
  • Viscosity: max. 300 mm2/S
  • Pressure ratings: PN 16 and PN 25
Canned Motor Pump Type CNKP
  • Normal-suctino design
  • High-temperature design with plate heat exchanger
  • Dimensions and performance curves in accordance with EN 22858;
       ISO 2858
  • Explosion protection as per EC-type examination
       certificate according to directives 94/9/EG ATEX II 2 G
       EEx de II C T1 to T6 / II 2 G ck II C Tx
  • Capacity: max. 1600 m3/h
  • Head: max. 220 m
  • Ratating speed: 1450 to 3500 rpm
  • Operating temperature: max. +400 °C
  • Viscosity: max. 300 mm2/S
  • Pressure ratings: PN 16 and PN 25
Canned Motor Pump Type CNKR
  • Normal-suction design
  • High-temperature design with tubular cooler
  • Dimensions and performance curves in accordance with EN 22858;
       ISO 2858
  • Explosion protection as per EC-type examination
       certificate according to directive 94/9/EG ATEX II 2 G
       EEx de II C T1 to T6 / II 2 G ck II C Tx
  • Capacity: max. 1600 m3/h
  • Head: max. 220 m
  • Rotating speed: 1450 to 3500 rpm
  • Operating temperature: max. +400 &176;C
  • Viscosity: max. 300 mm2/S
  • Pressure ratings: PN 16 and PN 25