Water ejectors

Baelz-hydrodynamic®

The controllable water ejector combines the functions of four single components: It generates circulation in the area of the consumer, it adjusts the circulation volume according to the actual heat requirement, it regulates the temperature and compensates for fluctuations in differential pressure.

Saving electrical energy through energy-efficient equipment and installations is becoming increasingly important. Where heating water would usually be distributed to secondary circuits using a control valve and a pump for each circuit, Baelz uses controlled ejector technology.

Many of our heating and ventilation systems have been in operation for over 30 years, saving energy and money.

Advantages at a glance
  • Good controllability over the entire load range
  • Only one main pump, meaning lower energy costs
  • Simplified system design due to fewer components
  • Less data points in the higher-level control system
  • Lower return temperatures
  • Hydraulic stability

baelz 471

Nominal pressureNominal diameterBody materialTemperature range
PN 16 - 25G 1/2 - 1 1/2red bronze (CC491K)up to 150°C
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baelz 472

Nominal pressureNominal diameterBody materialTemperature range
PN 16G 2red bronze (CC499K)up to 130°C
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baelz 475

Nominal pressureNominal diameterBody materialTemperature range
PN 16 - 25G 3/4red bronze (CC491K)up to 150°C
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baelz 480

Nominal pressureNominal diameterBody materialTemperature range
PN 16 / 40DN 15 - 300

spheroidal iron
(5.3103) /

cast steel (1.0619)

-10°C to 240°C
(without cooling tube)

-10°C to 350°C
(with cooling tube)

 

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baelz 480-BK-SS

Nominal pressureNominal diameterBody materialTemperature range
PN 16 / 40DN 15 - 300

spheroidal iron
(5.3103) /

cast steel (1.0619)

-10°C to 350°C

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The ejector as modular unit

Carefully designed layout up to the latest technical standards, including all necessary measurement points and piping.

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