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Comparison Rudes UPS 25/6-180 6 m vs Euroaqua GPS 25-6S/180 6 m
1 1/2"
180 mm

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Rudes UPS 25/6-180 6 m
Euroaqua GPS 25-6S/180 6 m 1 1/2" 180 mm
Rudes UPS 25/6-180 6 mEuroaqua GPS 25-6S/180 6 m
1 1/2"
180 mm
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Main functioncentral heatingcentral heating
Designsingle headsingle head
Pump typecentrifugalcentrifugal
Rotor typewetwet
Specs
Max. flow3300 L/h3900 L/h
Max. head6 m6 m
Max. operating pressure10 bar10 bar
Minimum fluid temperature-10 °С2 °С
Max. fluid temperature110 °С110 °С
Features
3 speeds
3 speeds
Motor
Max. power consumption
100 W /70/55 W/
100 W /66/47 W/
Mains voltage230 V230 V
Motor typeasynchronousasynchronous
Shaft arrangementhorizontalhorizontal
Shaft materialcermetcermet
Connection
Connection typethreadthread
Inlet/outlet arrangementcoaxiallycoaxially
Inlet1 1/2"1 1/2"
Outlet1 1/2"1 1/2"
More specs
Pump housing materialcast ironcast iron
Impeller materialplasticplastic
Country of brand originUkraineUkraine
Port-to-port length180 mm180 mm
Dimensions (HxWxD)125x180x137 mm
Weight2.4 kg2.8 kg
Added to E-Catalogjune 2017april 2016

Max. flow

The maximum flow of a pump is the amount of liquid it can pump in a certain amount of time.

Features of choosing the optimal performance option depend primarily on the purpose of the pump (see above). For example, for DHW recirculation models, the pump performance should not exceed the performance of the water heater. If the water heater is capable of delivering 10 litres per minute to the DHW circuit, then the maximum pump performance will be 10*60=600 L/h. The basic formula for calculating the performance of a heating system takes into account the power of the heater and the temperature difference at the inlet and outlet, and for the cold water system — the number of points of water intake. More detailed information about the calculations for each application can be found in special sources, and it is better to entrust the calculations themselves to professionals.

Minimum fluid temperature

The lowest fluid temperature at which the pump is capable of operating normally.

Almost all pumps can normally transfer cool water, regardless of the purpose (see above); therefore, for normal household use, this parameter is not critical and for some models, it may not be indicated at all. But if you need the ability to work with liquids with temperatures below 15 °C, you should pay close attention to the minimum temperature. Some models that can be used with antifreeze normally tolerate even temperatures below zero.