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  1. Ltrujillo

    ASME Section I or ASME Section VIII? For Sizing Safety Valves

    Ok , thanks SNORGY. Excuse me, The complete word is super-heater, STEAM SUPER-HEATER, The valves are installed far away and outside of the boiler battery, Sizing by 1. upset on the cogeneration plant ( supplier of steam super-heater) 2. Back-flow by customers (back-flow of processes units...
  2. Ltrujillo

    ASME Section I or ASME Section VIII? For Sizing Safety Valves

    Hi Help, I'm a doubt, For sizing safety valves I have this conditions; The valves are installed on in-plant process, piping system. Service = High Pressure Steam "Heater", Normal Flow = 579 t/h, (the same one or similar to relief, scenario by back-flow or shutdown process) Opn Pressure =...
  3. Ltrujillo

    Blowdown flow in a power boiler

    Thanks, I'm going to take their advices. Roy, It doesn't have condensate pot and it's before the valve
  4. Ltrujillo

    Blowdown flow in a power boiler

    Hi! I have a problem, the measuring of blowdown flow in a power boiler is erratic, the meter is a DP transmitter (0-100"WC @ 0-8 m3/h)with a orifice-plate, I thinking that is not good, the contractor says that the water to this pressure and temperature (1000 psi @ 552°F) is "flashing". So...
  5. Ltrujillo

    P&T rating of Safety Valves on Power Boiler

    Hi, I have three ASME Section I Safety Valves, rated for saturated steam service, with an ASME "V" stamping. - 1st. valve is set 1,128 psi (drum) size 3"-600#RF X 6"-150#RF - 2nd. Valve is ser 1,163 psi (drum) size 4"-600#RF X 6"-150#RF - And 3rd. valve is set 934 psi (outlet of super...
  6. Ltrujillo

    P&T Rating by ASME Application question

    Hi, I have three ASME Section I Safety Valves, rated for saturated steam service, with an ASME "V" stamping. - 1st. valve is set 1,128 psi (drum) size 3”-600#RF X 6”-150#RF - 2nd. Valve is ser 1,163 psi (drum) size 4”-600#RF X 6”-150#RF - And 3rd. valve is set 934 psi (outlet of super...

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