Auto Change Over Unit

Refer typical diagram of ASPL Auto change over unit where filled cylinders in Bank- A and Bank- B connected to inlet of Auto change over regulator.

In first stage regulator of auto changeover unit fixed amount of gas pressure will be controlled and in second stage means line regulator will be adjusted with knob to achieve desire system pressure of gas. This two-stage pressure regulation shrinks the supply pressure effect caused by depleting gas cylinders.

During operation when Gas supply Bank-A pressure reduced to Predefined level then it will auto changeover to Bank-B to continue supply of gas. Empty cylinders of Bank-A can be taken for refilling.


  • Economical
  • Self-Standing
  • Maintenance Free
  • Ease of maintenance
  • Ease of Installation
  • Mounting provision of cylinders with a clamping arrangement
  • Compact Design
  • Less space Occupied due to horizontal installation
  • Used up to 300bar and 170oC temperature media
  • Highly reliable for continuous operation
  • Design for uninterrupted gas flow for stored gas cylinder
  • Eliminate costly system downtime and maintenance
  • The optional low-pressure alarm can be provided from each bank
  • Ensure constant pressure and flow to the system
Refer to the datasheet for more details


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