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ASME CSD-1 Controls and Safety Devices for Automatically Fired Boilers – Requirements

Many Engineers ask me when to specify ASME CSD-1 compliance. It’s a great question, and one I’ve gotten a lot over the years representing gas-fired equipment. I’m going to make it simple….EVERYTIME!

Here are three points to consider:

  1. In Illinois it’s required by code on boilers above 400,000 BTU (Illinois Office of the State Fire Marshal Division of Boiler and Pressure Vessel Safety)
  2. As a designer it covers your liability on water vessels of ANY size. It is also required for several insurance companies who would review the boiler plant for safety considerations.
  3. Most manufacturers have the parts as standard features anyways; it’s just a firmware update or capacitor alteration to make it a ASME CSD-1 boiler.

So no matter what size the boilers, it’s always in your best interest to require ASME CSD-1 complaint gas train when designing a project.

Here is a practical article on CSD-1 compliance:

Hope this was beneficial. Email with any questions which you may have.

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