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  • Users: Cronos_2P
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  1. Cronos_2P

    Buried pipe in fire protection system

    Hello everyone. My question is the following: There is a problem if, due to space issues in the pump room, the relief valve discharge pipe and the flow meter outlet pipe in a fire system are buried until they reach the water tank again as shown in the figure? The tank is located at a distance...
  2. Cronos_2P

    Inertial loads

    Hello everyone. I have the natural frequencies of the piping system of a reciprocating pumping unit, I need to verify the separation margin indicated in Annex C of the API 674 standard. If I have a triplex pump that rotates at 300 rpm, the significant frequency would be f=3*300/60=15 (Hz) as...
  3. Cronos_2P

    PSV Reaction Forces

    Hello everyone Looking at this figure, I have the following questions: 1. Is the piping arrangement shown in the picture correct? the connection to the secondary head should not be at 45 °?. 2. In this type of system of closed discharge PSV, should the reaction force be included? 3. In open...
  4. Cronos_2P

    Pipe Material Selection

    Hi to all, What type of material should be used for the inlet and transfer pipes of crude oil to cylindrical furnace if the operating conditions are as follows: • Inlet Line: Max. Pressure: 220 Psi, Max. Temperature: 360 °F. • Transfer Line: Max. Pressure: 60 Psi, Max. Temperature: 600 °F. It...
  5. Cronos_2P

    Error Isogen of Cadworx

    Hi everyone, I am trying to generate isometric plans in Cadworx Plant 2018, I already have my isos folder configured, but when I execute the IGO or IGB command, I get the following error: Error opening file for write (1) File: C:\WINDOWS\system32\isogen.log. and I don't know how to solve it...
  6. Cronos_2P

    Minimum distance between buried pipes

    Hello everyone. I have a question regarding the minimum separation between two buried hydrocarbon steel pipes. Are there any recommendations or restrictions in any standard (ASME, API or other) regarding the minimum distance between two or more buried pipes? If so, in which standard can I find...
  7. Cronos_2P

    Distance between two circumferential welds in a pipe

    Hi everyone. In API 1104, ASME or some other standard, is it specified what is the minimum distance between two circumferential welds in a pipe? Thanks in advance
  8. Cronos_2P

    API 2510 Piping Requirements

    Hi all. In the API 2510 standard, section 8 indicates that: The pipes of the facilities covered in this standard must comply with the provisions of ASME B31.3; with the exception that the pipe that falls below the exclusion provided for in section 300.1.3 (e) of ASME B31.3 must be constructed in...

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