Re: [MW:30951] Re: ASME CODE

Explanation of Fired Pressure Vessel

A pressure vessel contains fluids that are subjected to pressure and is connected to other machinery. It can be a single chamber or composed of several pressure vessels.

There are two types of pressure vessels that are commonly used in industrial processes:

1. Fired pressure vessels
2. Unfired pressure vessels

A fired pressure vessel is partially or totally subjected to a direct or indirect heat source, often provided by coal, gas or oil fired boilers. Special precautions are required when working with fired pressure vessels to prevent overheating. Examples of fired pressure vessels include thermal oil heaters for organic liquid piping systems and boilers that are used to generate electricity and hot water or steam.

Conversely, unfired pressure vessels can act like heat exchangers to cool or heat a fluid when combined with another fluid. These usually consist of several adjacent chambers and tube bundles. Another example of an unfired pressure vessel is a steam generator that is associated with piping systems.

Fired pressure vessels are commonly seen in the following industrial settings:

• Machinery (pressurized equipment)
• Automation
• Electricity
• Fire protection
• Oil and gas
• Petrochemicals
• Fertilizer

On Sunday, 31 May 2020 09:04:40 UTC+3, kannayeram gnanapandithan wrote:

Section 8 for fired vessels??. Pl elaborate

On Sat, 30 May 2020 8:50 pm k7moorthi, <k7moo...@gmail.com> wrote:

1.) An unfired pressure vessel is any type of pressure vessel that is not fired. This means that they are not exposed to combustion or burner fire. Since it is an unfired vessel, there is a lesser risk of overheating.

2.) Whichever stringent, needs to be followed and your client requirement ( project specification) is also mandatory about code selections.

3.) (a) AMSE Sex VIII - is a code & standard used for 1.) Design, 2.) Fabrication, 3.) Testing, 4.) Inspection & 5.) Certification of both Fired & Unfired    

           pressure vessels.

      (b) API 510 - In service Pressure Vessel Inspection Code. … >The code covers inspection, repair, alteration, and rerating activities for pressure vessels 

           and the pressure relieving devices that protect vessels covered by the code.

      (c) BIS IS 2825 : 1969 (Reformed -2017) - CODE FOR UNFIRED PRESSURE VESSELS.

      (d) PD 5500, formerly BS 5500 -----UK Rules For Unfired Pressure Vessels.

 Friday, 29 May 2020 09:52:43 UTC+3, tamizh wrote:

Dear Experts,

Can anyone please tell me  answer.?

1. What is the design code for unfired pressure vessel in ASME code.

2. What is the standard for Unfired pressure vessel  in ASME code.

3.  In case of conflict between Design Code and standards above, which shall govern?

With Warm Regards,

S.TAMIZH SELVAN,

          

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