Wet-rotor pumps
Design of Wet-rotor pumps
The so-called wet rotor pump is a glandless inline volute casing pump, the wet rotor is surrounded by the medium, it is installed in a containment shell with its shaft mounted in plain bearings. This type of pump is used in closed systems for circulating heat media as a heating pump (heating) or cooling media as an air conditioning pump (air conditioning or cooling applications).
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Wet-rotor pumps in various designs
The wet-rotor pump is an “inline pump” that has become particularly popular in domestic and building services engineering.
Wet-rotor pumps are very quiet due to their design with the circulating rotor and slide bearings. Wet-rotor pumps are always used in circulation systems. They are used as heating pumps in hot water heating systems, as air conditioning pumps in air conditioning systems and as solar pumps in glycol or hot water solar systems. They are also used in drinking water as hot water circulation pumps or service water pumps or as drinking water circulation pumps.
Some models are available in both single and twin versions.
Unterschiedliche Arten von Nassläuferpumpen
Hot water circulator pumps
The circulation pump for hot water is responsible for ensuring that as little cold water as possible is wasted unnecessarily. This occurs, for example, when you have to wait until the water has warmed up before taking a shower. This also applies to using the tap in the morning. Because the circulation pump for hot water feeds the hot water to and from the taps in a circuit of, preferably, insulated pipes, there are benefits in terms of economy and a more conscious use of drinking water, which in turn protects the environment. Especially if these pumps are time-controlled or switched on when the probability of hot water consumption is highest.
Our product series:
– KSB Rio-Eco-Therm-N
– KSB Rio-Therm-N
– KSB Calio-Therm-S
– KSB Calio-Therm-S-NC
– KSB Calio-Therm-S Pro
– KSB Calio-Therm Pro
– WILO Star-Z
– WILO TOP-Z
High-efficiency circulation pumps
Maintenance-free, highly efficient wet-rotor pumps with highly efficient permanent magnet synchronous motor, brushless, self-cooling, with infinitely variable differential pressure control.
Maximum savings in operating costs thanks to highly efficient technology in conjunction with speed control and efficient operation.
Future-proof thanks to maximum energy efficiency and compliance with current efficiency regulations such as ErP 2015.
Our product series:
– KSB Rio-Eco-N
– KSB Calio-V3
– KSB Calio Pro
– KSB COSMO Giant
– WILO Star-RS
– WILO TOP
– Smedegaard SIMFLEX
High-efficiency twin circulation pumps
Maintenance-free, highly efficient glandless twin pumps with highly efficient permanent magnet synchronous motor, brushless, self-cooling, with infinitely variable differential pressure control.
Maximum savings in operating costs thanks to highly efficient technology in conjunction with speed control and efficient operation.
Future-proof thanks to maximum energy efficiency and compliance with current efficiency regulations such as ErP 2015.
Our product series:
– KSB Rio-Eco-(Z)-N
– KSB Calio-Z V3
– KSB Calio Pro Z
Application description
These pumps are only available in materials that are approved for drinking water. These pumps are best installed in the return line to the water storage tank, as the water at this point is cooler than the water that comes directly from the heat storage tank, these circulation pumps in the return line calcify less quickly. Other materials can also be used for industrial process water, depending on the resistance for the respective application.
Main application area:
▪ Drinking water circulation systems in accordance with DVGW-W551 / ACS
▪ Domestic hot water circulation systems
Highly efficient circulation pumps are used in cooling and heating circuits in buildings as well as in municipal technology for district heating. These pumps are suitable for a limited number of pumped media and a limited temperature application range, there is only one material version. These pumps can be set to constant pressure or constant volume flow, as well as proportional control. Many of these highly efficient pumps also have an energy-saving or eco setting.
Main application area:
▪ Heating, ventilation, air conditioning, refrigeration systems and circulation systems
▪ 1-pipe systems and 2-pipe systems
▪ Underfloor heating systems
▪ Boiler circuits or primary circuits
▪ Storage tank charging circuits
▪ Solar systems
▪ Heat pumps
High-efficiency twin pumps are used in cooling and heating circuits in buildings as well as in municipal technology for district heating. To extend the service life of the pumps, they are often used in alternating mode. These pumps are suitable for a limited number of pumped media and a limited temperature application range; there is only one material version. These pumps can be set to constant pressure or constant flow, as well as proportional control. Many of these highly efficient pumps also have an energy-saving or eco setting.
Main application area:
▪ Heating, ventilation, air conditioning, refrigeration systems and circulation systems
▪ 1-pipe systems and 2-pipe systems
▪ Underfloor heating systems
▪ Boiler circuits or primary circuits
▪ Storage tank charging circuits
▪ Solar systems
▪ Heat pumps
How do I find the right standard pump at Abacus Resale
Pump type selection: Select “Wet-rotor pumps”
Operating data: Enter
• the volume flow in “m³/h” for Q
• for H, enter the delivery head in “m”
• Click on “Results”
Too many search results? Refine your search
• Select the desired size
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Application advice and configuration of pumps and systems
Application advice and configuration of pumps and systems
