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  1. DJPA1234

    Steam tracing pitch calculation

    Dear Experts, We have to provide the two concentric spiral wound steam tracing coil on the one of the tank dia 25meter. Tracer diameter is 1.5inch. We have calculated the required length of tracer by heating calculation, Main query is regarding Tracing pitch, (i.e. Pipe to Pipe center line) do...
  2. DJPA1234

    Annex F calculation

    Dear All, Is it mandatory to provide the calculation for design is based on Annex F1.2 OR F1.3 for tank designed as per API 650 Code (and have slight pressure which is within API-650 limit)?
  3. DJPA1234

    SA 240 304 higher vs lower allowabl

    Dear Team, For one of the reactor (design temp 450°C), Catalyst support beam are required to be designed with Material of construction of SA240 TP 304. ASME II D Gives the two row of allowable. One based on 66% yield and another higher but less than (90%) yield. For designing of such beam...
  4. DJPA1234

    Maximum steam tracer lenght

    Dear All Experts, Is there any criteria for Maximum Steam tracer length for 1 inch diameter tracer length with respect to Steam Supply pressure. If so please provide. I came across 120 meter of maximum tracer length. but did not know the basis. Please help
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