Question: Selection of standards for pressure vessel supports
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Our company is currently manufacturing a liquid ammonia storage tank. The design date for the drawings was June 26, 2018, and the standard for supports is JB/T4712.1. Since production is underway now, should we use the new standard or the old one? Please consult the **Bureau** with the experts; the **Bureau** has not given a clear reply.
To switch to the new standard, a change request should be submitted to the original design firm.
Yes, seek to have the change made by the original organization, or check whether the reference standards for supports specified in the relevant standards include the year of issue. Additionally, it is necessary to determine whether there are any contradictions between the standards being referenced and those that have been repealed.