Johnson Pump CM Series Magnetic Drive Circulation Pump
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Reliable circulation for heating and cooling systems
The Johnson Pump CM Series Magnetic Drive Circulation Pump iis a range of magnetically driven centrifugal circulation pumps designed for reliable operation in closed-loop heating and cooling systems. These pumps are intended for applications where self-priming is not required, such as onboard heating, engine cooling, and fluid circulation in marine and vehicle systems.
The magnetic drive system eliminates the need for a mechanical shaft seal, reducing wear points and the risk of leakage while improving long-term operational reliability in continuous-duty use.
All CM Series pumps feature a sealed motor enclosure rated to IP67, providing protection against dust ingress and temporary immersion. Combined with corrosion-resistant materials and a robust housing design, the series is suited to harsh environments including high humidity, saltwater exposure, road spray, and routine washdowns.
Johnson Pump CM Series Magnetic Drive Circulation Pump Features:
- Magnetically driven centrifugal circulation pump for sealed, leak-free operation
- Designed for closed-loop heating and cooling systems (non self-priming)
- IP67-rated motor enclosure for dust protection and temporary immersion resistance
- Suitable for marine and vehicle environments including high humidity and saltwater exposure
- Eliminates mechanical shaft seal to reduce wear and maintenance requirements
- Continuous-duty operation for reliable long-term performance
- Compatible with water and glycol-based antifreeze fluids
- High-flow design for larger circulation systems (CM90)
- Optimised for efficient power-to-flow performance (CM90)
- Integrated cooling fins for improved heat dissipation under load (CM90)
Johnson Pump CM Series Magnetic Drive Circulation Pump Specifications:
- Body: Glass-reinforced thermoplastic (PPA)
- Shaft: Stainless steel
- Wear plate: Stainless steel
- O-ring: EPDM
- Impeller: Glass-reinforced thermoplastic (PPS for CM10/30; PA12 for CM90) with ferrite magnet
- Bearing: Resin-bonded carbon
- Magnet housing: Glass-reinforced plastic (PSU, GF 30%)
- Motor flange: Glass-reinforced plastic (PA66, GF 30%)
| Type | Part Number | Hose Size | Voltage |
|---|---|---|---|
| CM90P7-1 | 10-24750-10 | 20mm | 24V |
| CM90P7-1 | 10-24664-10 | 38mm | 24V |
| CM30P7-1 | 10-24504-04 | 20mm | 24V |
| CM30P7-1 | 10-24504-03 | 20mm | 12V |
| CM30P7-1 | 10-24503-04 | 16mm | 24V |
| CM10P7-1 | 10-24502-04 | 20mm | 24V |
| CM10P7-1 | 10-24502-03 | 20mm | 12V |
| CM10P7-1 | 10-24501-04 | 16mm | 24V |
| CM10P7-1 | 10-24501-03 | 16mm | 12V |
Johnson Pump CM10/30 Series Magnetic Drive Circulation Pump Technical Data Sheet
Johnson Pump CM90 Series Magnetic Drive Circulation Pump Technical Data Sheet
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