Automatic Air Evaporator Change Over

Automatic Air Evaporator Change Over from LT GASETECHNIK, completely mounted and tested for the easy on-site integration

The following options for the LT Automatic Air Evaporator Change Over are currently available as standard:

  • Console, fittings height adjustable
    • Sikla
    • Stainless steel welded
  • Stainless steel valve, only change over
  • Stainless steel ball valves change over or opening of both evaporators incl. stainless steel pipe PN40
    • Nominal widths DN25, DN40 or DN50
    • Position feedback
    • Temperature monitoring with PT100
    • Preparation of control medium from evaporator medium
    • Counter flanges with welding neck flanges, bolt sets, gaskets
  • Large roof, which also covers the ball valves
  • Control air conditioning
  • 2 x position feedback for the ball valves
  • Integrated gas preheater to ensure a minimum temperature, with temperature sensor and control
  • Material certificates for media-contacting components (food, FDA, 3.1)
  • Horn / flashlight
  • Wireless Configuration
  • Network connection Modbus
  • Network connection Profibus / Net
  • Data logger / USB interface
  • larger display (6 “)


The following bespoke solutions are as well available:

  • Valves maker according to your specification
  • Unit for 4 or more evaporators
  • Copper piping
  • Dimensions > DN50
  • Cryo valves for -196 °C
  • Cryo ball valves for -196 °C
  • Solution for Oxygen
  • Solution for Ex areas
  • SIL-embrittlement surveillance

Short lead time – depending on valve choice only 3 weeks!


Feel free to ask us or request your quotation.

Air Evaporator Change Over unit, tested at factory for your easy installation

The systems contain pre-configured programs that can be easily parameterized. Optionally, the systems can be equipped with GSM modem for SMS or mail transmission, valve groups for the evaporator outlet or inlet side and as a ready-assembled console including control system, piping and valves for quick and easy on-site installation.

Software interface of the LT Automatic Air Evaporator Change Over
Software interface of the LT Automatic Air Evaporator Change Over

Blog posts on the topic

Lean air with SIL2 for pigging and inerting
1024 446 Alexander Hanf

LT again successfully delivers a lean air system. The system can generate 200 Nm³/h of synthetic air from nitrogen and compressed air. Of this, approx. 50 Nm³/h are used for…

read more
Safe lean-air supply of resin processes with – new article in the Asia Pacific Coatings Journal
1024 199 Alexander Hanf

The article in the February 2021 issue of APCJ describes the possibilities to meet the requirements of lean air system operators for quality, safety and availability. The aim is always…

read more
Automatic vaporizer switchover for medical oxygen
772 1024 Alexander Hanf

LT supplies automatic air vaporizer switchovers, also for medical oxygen. Here is an example of a currently delivered version: Flow: 140 Nm³/h Medium Oxygen -10…+40 °C Control medium: Nitrogen Certificate:…

read more
Lean air gas mixer with SIL 1
Avoiding explosions with atmosphere control
304 499 Alexander Hanf

Explosive atmospheres in vessels are for example created by dust (ground products) or by degassing (production or storage of flammable substances). Covering with pure nitrogen can be undesirable. Either because…

read more

Do you have a question
or would you like to receive an individual quotation?
Please contact us.

    I have read and agree to the privacy policy.

    Google reCAPTCHA must be loaded to submit the form.
    Google reCAPTCHA Privacy policy

    Load Google reCAPTCHA