معرفی کد های ساخت در مجموعه استانداردهای ASME B31

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استادعلی مانی زاده· ۲ سال پیش

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در ابتدا نیاز هست که تعریف جامع و دقیقی از یک کد ساخت داشته باشیم:

A construction code may be defined as a set of rules of procedure and standards of materials designed to secure uniformity and protect public interest, usually established by a public agency. Codes used in the chemical process industry include the American ASME VIII-2 for pressure vessels and ANSI B.31.1 and ASME B.31.3 for piping.

Corresponding British codes are BS 55004 and BS 5135.5 A summary of relevant codes and standards is shown in Table 10.1. Construction codes specify requirements for written weld procedures and procedure qualification tests as well as qualification tests for welders and welding operators. Codes covering qualification of weld procedures and welders are, typically, ASME IX,6 DIN 8560,7 BS 48708 and BS 4871.9

Refrence:Redirecting

اگر براساس دیدگاه بررسی ایمنی و طراحی در مجموعه ASME قابل بررسی باشد کدهای ASME B31.1 و ASME B31.3 f به عنوان کد ساخت معرفی خواهد شد.

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• استادعلی مانی زاده· ۲ سال پیش

  کد ساخت به صورت دقیق به سندی گفته می شود که تمامی مراحل ساخت اعم از طراحی، خرید و تامین متریال، اجرا و بازرسی را شامل شود. در میان کدهای ASME B31 شماره 1 ( power piping) و شماره 3(Process Piping) به عنوان مطرح ترین کدهای ساخت شناخته می شوند.
  
  در واقع کدهای ساخت شامل مواردی از قبیل بهره برداری و یا inservice code نیستند.

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• استادعلی مانی زاده· ۲ سال پیش

  با سلام و احترام
  
  در خصوص ASME B31.4 باید تعریف مشخصی مد نظر قرار گیرد. این کد کمی فراتر از یک کد ساخت در خصوص نحوه بهره برداری (Operation) و تعمیرات(Maintenance) نیز اعمال نظر میکند و از این رو باید به این نکته توجه ویژه داشت.
  
  تمامی خصوصیات این کد در زیر برای شما عنوان می شود:

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• استادعلی مانی زاده· ۲ سال پیش

  ASME B31.4 refers to the American Society of Mechanical Engineers (ASME) standard for the design and construction of pipeline systems. Specifically, ASME B31.4 is titled “Pipeline Transportation Systems for Liquids and Slurries.” This standard provides guidelines and requirements for the design, construction, inspection, testing, operation, and maintenance of
  
  onshore liquid pipeline systems.
  
  Key features and considerations of ASME B31.4 include:
  
  - Scope:
  
  - ASME B31.4 primarily focuses on the transportation of liquids and slurries through pipelines, excluding gas transmission pipelines covered by other standards like ASME B31.8.
  
  - Design and Materials:
  
  - The standard outlines requirements for the design of pipeline systems, including considerations for pressure, temperature, and other relevant factors.
  
  - It specifies the materials that can be used in the construction of pipelines, including pipes, fittings, flanges, and other components.
  
  - Construction and Welding:
  
  - ASME B31.4 provides guidelines for the construction of pipeline systems, addressing issues such as welding procedures, qualifications, and inspection.
  
  - It outlines requirements for the welding of pipeline components and includes criteria for the qualification of welders and welding procedures.
  
  - Inspection and Testing:
  
  - The standard emphasizes the importance of inspection and testing throughout the lifecycle of the pipeline.
  
  - It provides guidance on non-destructive examination (NDE) methods and acceptance criteria for ensuring the integrity of the pipeline.
  
  - Operation and Maintenance:
  
  - ASME B31.4 includes provisions for the safe operation and maintenance of pipeline systems.
  
  - It covers topics such as pressure testing, leak detection, corrosion control, and emergency response.
  
  - Code Compliance:
  
  - Compliance with ASME B31.4 is often required by regulatory authorities and industry organizations to ensure the safe and reliable operation of liquid and slurry transportation pipelines.

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• استادعلی مانی زاده· ۲ سال پیش

  در خصوص کد ASME B31.8 نیز شرایط شبیه یه کد ASME B31.4 هست. در واقع بهره برداری و تعمیرات نیز مجددا بحث می شود. در واقع این کدها فراتر از یک کد ساخت هستند

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• استادعلی مانی زاده· ۲ سال پیش

  ASME B31.8 is a standard published by the American Society of Mechanical Engineers (ASME) that specifically addresses the design, construction, operation, and maintenance of gas transmission and distribution systems. The full title of the standard is “Gas Transmission and Distribution Piping Systems.” ASME B31.8 is widely used in the United States and other regions with gas transmission and distribution infrastructure.
  
  Key features and considerations of ASME B31.8 include:
  
  - Scope:
  
  - ASME B31.8 covers the design, construction, inspection, testing, operation, and maintenance of onshore gas transmission and distribution systems.
  
  - It applies to pipelines, associated facilities, and gas storage facilities.
  
  - Design and Materials:
  
  - The standard provides guidelines for the design of gas transmission and distribution pipelines, considering factors such as pressure, temperature, and other relevant parameters.
  
  - It specifies the materials that can be used in the construction of pipelines, including pipes, fittings, valves, and other components.
  
  - Construction and Welding:
  
  - ASME B31.8 includes requirements for the construction of gas pipelines, including welding procedures, qualifications, and inspection.
  
  - It outlines criteria for the qualification of welders and welding procedures to ensure the integrity of the welded joints.
  
  - Inspection and Testing:
  
  - The standard emphasizes the importance of inspection and testing throughout the lifecycle of the gas pipeline.
  
  - It provides guidance on non-destructive examination (NDE) methods and acceptance criteria to detect and assess potential defects.
  
  - Operation and Maintenance:
  
  - ASME B31.8 includes provisions for the safe operation and maintenance of gas transmission and distribution systems.
  
  - It covers topics such as pressure testing, corrosion control, integrity management, and emergency response.
  
  - Code Compliance:
  
  - Compliance with ASME B31.8 is typically required by regulatory authorities and industry organizations to ensure the safe and reliable operation of gas transmission and distribution pipelines.

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