Saturated steam or slightly superheated steam is frequently required for industrial production processes. The best examples of this are in the chemical, textile, wood and paper industries.

Since often only steam with very high boiler pressures is available in internal plant networks, Baelz offers more than just a pressure reduction. For this application, Baelz proposes a controllable steam ejector baelz 591 with cooling water injection, known as a desuperheater or saturated steam generator.

This simultaneously reduces the steam pressure and injects the condensate directly into the superheated steam for cooling. This makes it possible to achieve all physically possible steam properties, from superheated steam to wet steam. Process-related load fluctuations are regulated quickly and cleanly.

These devices are available with all necessary components, which we specially design and construct according to customer needs and requirements.

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Jetomat® baelz 591

Steam/water ejector with flanged connection, can be used for saturated steam generation, or as a desuperheater for superheated steam cooling.

Fluid Nominal pressure Nominal diameter Body material Temperature range


PN 16 / 40 DN 32 - 200

spheroid ductile iron
(5.3103) /

cast steel (1.0619)

-10°C to 240°C
(without cooling tube)

-10°C to 350°C
(with cooling tube)