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Steam Injection


Compact Design

Reduce Maintenance Time

Improve Steam Quality


This type of humidifier is fed by steam from a main supply rather than being generated locally by a self-generative unit.

High steam output per meter of lance.

Very low noise levels.

Simplified duct and piping requirements.

Close spacing where multiple lances are needed.

Low steam ejection velocity for efficient air / steam mixing.

Product Brochure


Direct steam injection humidifiers



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Technical Documentation

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Type 20 and Type 40 Direct Steam Injection (SI) Humidifiers English TI-P795-03 Download PDF
Type 20 and Type 40 Sizing Direct Steam Injection Humidifiers English TI-P795-02 Download PDF

Installation Documentation


Type 20 and Type 40 Direct Steam Injection (SI) Steam Injection Humidifiers



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You can count on us

Our warehouse are open and our personnel are working to ensure we can continue to supply the essential products and services that our customers need.

0861 SPIRAX (774 729)

If you are unable to allow engineers to site at this time, one of our Steam Experts can still offer telephone and video call support.

Contact Us

If your usual steam system supplier isn’t able to help you at the moment, contact Spirax Sarco – we’re available to offer advice and support.

Your closest Spirax Sarco is

Spirax Sarco

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