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Canned Motor Pumps outside hazardous explosive areas

Our canned motor pumps without explosion protection offer reliable and efficient solutions for numerous applications outside hazardous explosive areas. They are particularly impressive in refrigeration systems thanks to their hermetically sealed design, high operational safety and long-term availability.

Manufacturers and operators of refrigeration systems require pumps that handle refrigerants safely, efficiently and reliably. With our hermetically sealed pumps, we meet these requirements and enable the controlled transport of a wide variety of refrigerants. With a HERMETIC refrigerant pump, you benefit from leak-free and low-maintenance pump technology, long service life, low operating costs, as well as a rapid supply of spare parts and reliable service. 

Industrial pipe system with stainless steel pipes, blue valves, and a heat exchanger in a modern facility.

Finding the right Canned Motor Pump

Refrigeration applications

Our hermetically sealed pumps meet the highest standards of safety, efficiency and quality – ensuring the reliable transport of refrigerants and heat transfer fluids.

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Cooling of inverters

Our Canned Motor Pumps are used to cool inverters and power electronics in railway and wind power applications due to their compact design and long service life.

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Modularly configurable Canned Motor Pumps

Thanks to their modular design / construction, Canned Motor Pumps can be flexibly configured and adapted to different process requirements. 

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Canned Motor Pumps for refrigeration applications

Standard application, single-stage

Pump capacity [Q]

max. 85 m³/h

Delivery head [H]

max. 90 m

Material temperature [t]

–50 °C to +30 °C

Operating pressure

PN 25 / PN 40 

motor power

3 kW to 15.7 kW 

A cross-sectional view of a Canned Motor Pump, shown in green with its internal components, rotor and impeller visible.

Type CNF

Design type / Design

Single-stage centrifugal pump with canned motor drive

The CNF series is designed for liquefied gases, boiling media and condensates. With an integrated auxiliary impeller and internal liquid recirculation, it is suitable for pumping liquids close to their vapour pressure. This makes it ideal for a wide variety of refrigerants and heat transfer fluids such as CO and ammonia.

Pump design

With our expert tool, you can quickly find the right pump solution for your application. Based on your process data, you will receive an initial shortlist of suitable series and models.

Design a pump now

Standard application, multi-stage

Pump capacity [Q]

max. 45 m³/h

Delivery head [H]

max. 190 m

Material temperature [t]

–50 °C to +30 °C

Operating pressure

PN 25 / PN 40 / PN 52

motor power

3 kW to 25 kW

Cross-section of a Canned Motor Pump with a green casing and an exposed rotor and impeller

Type CAM

Design type / Design

Multistage centrifugal pump with canned motor drive

The CAM series is suitable for both standard applications and for pumping liquids at pressures close to their vapour pressure. 

It has been specially developed for refrigeration applications and is characterised by very good NPSH values.

Cross-section of a Canned Motor Pump, shown in green with the rotor, stator and impeller visible

Type CAMR

Design type / Design

Multistage centrifugal pump with canned motor drive 

This pump is suitable both for pumping liquids at pressures close to their vapour pressure and for standard applications.

With a radial suction pipe for suspended and space-saving installation. 

Cross-section of a green Canned Motor Pump showing the impeller, rotor and casing

Type CAMh

Design type / Design

Multistage centrifugal pump with canned motor drive

This pump is suitable both for pumping liquids at pressures close to their vapour pressure and for standard applications

High-pressure version specifically designed for CO₂ applications and featuring a reinforced slide bearing for more demanding applications. 

A cross-sectional view of a green Canned Motor Pump showing the impeller, rotor and stator inside.

Type CAMhk

Design type / Design

Multistage centrifugal pump with canned motor drive

This pump is suitable both for pumping liquids at pressures close to their vapour pressure and for standard applications

High-pressure version specifically designed for CO applications. 

Canned Motor Pumps for cooling inverters

Pump capacity [Q]

max. 19.2 m³/h

Delivery head [H]

max. 38 m

Material temperature [t]

–40 °C to +80 °C

Operating pressure

PN 10

motor power

1 kW to 3 kW

Type LC

Design type / Design

Single-stage centrifugal pump with canned motor drive

This pump series has been specially developed for cooling systems in tractors and wind turbines. They comply with the most common standards for these applications and offer impressive compactness, low weight and a long service life. 

Canned Motor Pumps for refrigeration applications

HERMETIC Canned Motor Pumps are designed for a wide range of refrigeration applications. Whether NH₃, CO₂, water-glycol mixtures or synthetic oils – our pump solutions meet a wide variety of requirements in terms of safety, efficiency and availability.

For decades, they have been used in food refrigeration, in sports and leisure facilities, in refrigeration modules for the chemical industry, in CO₂ cooling for data centres, and in freeze-drying and absorption refrigeration systems. 

A blue bobsled races at high speed down an icy track, with motion blur conveying intense velocity.

Other applications without explosion protection (on request)

As well as refrigeration applications and the cooling of frequency converters, our Canned Motor Pumps are also used in a range of other industrial applications. We would be happy to advise you on selecting the right solution for your specific

Industrial pipeline system with silver insulated pipes, blue and yellow pipes on a structural steel framework outdoors.

Get in touch with our team

Are you looking for the right pump for your process requirements, or do you need help with the design? Please contact our team of experts.