"Standards Applied in Piping Design"

Standards Applied in Piping Design Calculations

1) Piping

• Power Piping: ANSI/ASME B31.1
• Process Piping: ANSI/ASME B31.3
• Flanges: ANSI B16.5

2) Pressure Vessels

• Unfired: ASME Sect. I & VIII, Div. 1
• Unfired Steam Boilers: ASME Sect. I
• Fired Steam Boilers: ASME Sect. I

3) Safety Relief Systems

• Safety Valves: API RP520 and API RP521
• Header: ASME Sect. I and VIII

4) Pumps

• Centrifugal: API 610
• Reciprocating: API 674

5) Compressors

• Centrifugal: API 617
• Reciprocating: API 618
• Air Compressor (Centrifugal): API 672

6) Steam Turbines

• Steam Turbines: API Std 611 & 612

7) Exchangers

• Exchangers: ASME Section VIII & TEMA

8) Flammable and Combustible Liquid Storage

• Liquid Storage: NFPA Volume 1

9) Foam Extinguishing Systems

• Foam Extinguishing Systems: NFPA Volume 7

10) Storage Tanks

• Atmospheric Pressure: API Std 620, 650, 2000

---

ASME B31.1 - 2001 - Power Piping

• Application: Piping for industrial plants and marine applications.
• Requirements: Prescribes minimum requirements for design, materials, fabrication, erection, testing, and inspection of power and auxiliary service piping systems for central and district heating plants, power-generating stations, and other facilities.
• Pressure: Applies to external piping for power boilers generating steam at pressures greater than 15 PSIG and to hot water boilers operating at pressures exceeding 160 PSIG or 250°F.

 

 

ASME B31.2 - 1986 - Fuel Gas Piping

• Status: Replaced by ANSI / NFPA Z223.1 but still valid for use within ASME.
• Use: Considered a reference standard for the design of gas piping systems.

 

 

ASME B31.3 - 2002 - Process Piping

• Application: Applied to process piping in chemical and petroleum refineries.
• Coverage: Codes for processing and refining hydrocarbons, water, steam, chemicals, and other fluids, including rules for materials and components, design, fabrication, assembly, examination, and testing.
• Usage: Used in chemical plants, pharmaceutical plants, textile, paper, semiconductor, cryogenic plants, and related facilities, and generally applicable to petrochemical plants.

 

 

ASME B31.4 - 2002 - Pipeline Transportation Systems for Liquid Hydrocarbons and Other Liquids

• Application: Applies to the design, materials, fabrication, assembly, erection, examination, inspection, and testing of piping transporting liquids such as crude oil, condensate, gasoline, LNG, LPG, CO2, alcohol, and anhydrous ammonia.
• Facilities: Used in natural gas plants, tank farms, terminals, ammonia plants, and other facilities.

 

 

ASME B31.5 - 2001 - Refrigeration Piping and Heat Transfer Components

• Application: Covers requirements for heat transfer components, refrigerant inspection, and auxiliary (cooling water) piping for cryogenic services.
• Exclusions: Does not apply to water piping or pressure vessels and piping under 15 PSI (105kPa) for non-critical systems.

 

 

ASME B31.8 - 2003 - Gas Transmission and Distribution Piping Systems

• Application: Covers testing of pipeline facilities used for the transportation of gas.
• Coverage: Includes operational and maintenance safety of the system.

 

 

ASME B31.8S - Integrity Management System for Gas Pipelines

• Application: Applies to gas pipelines and related systems transporting gas.
• Approach: Provides principles and processes for implementing an integrated management program for pipeline system integrity using proven practices and processes.

 

 

ASME B31.9 - 1996 - Building Services Piping

• Application: Regulations for piping systems in industrial, commercial, and public buildings that do not require the size, pressure, or temperature criteria of B31.1.
• Coverage: Prescribes requirements for design, materials, fabrication, assembly, erection, inspection, and testing of piping systems.

 

 

ASME B31.11 - 2002 - Slurry Transportation Piping Systems

• Application: Specifies design, construction, inspection, and security requirements for slurry piping systems.

 

 

---

Differences in Calculation Methods by Design Code

ASME B31.X Calculation Differences

Power Piping B31.1

 

Process Piping B31.3

 

 

Gas Transmission Piping B31.8