Standards by equipment

Pressure Vessel

Design, materials, fabrication, and inspection standards for pressure vessels.

Primary standards

ASME BPVC VIII-1ASME BPVC VIII-2API 510EN 13445NBIC

All applicable standards (36)

Edition 2025ASME

ASME BPVC VIII-1

Rules for Construction of Pressure Vessels — Division 1

The most widely used code for design, fabrication, inspection, testing, and certification of general pressure vessels by rules-based (design-by-formula) methods.

Static Equipment

Pressure Vessel

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Edition 2023ASME

ASME BPVC VIII-2

Rules for Construction of Pressure Vessels — Division 2 (Alternative Rules)

Provides alternative rules to Division 1 for the construction of pressure vessels. It covers vessels meant for higher pressure applications (typically 3,000 to 10,000 psig) or where weight/thickness savings justify the more rigorous engineering. The scope mandates more stringent material testing (including mandatory toughness requirements), tighter fabrication tolerances, comprehensive NDE (often requiring 100% volumetric examination), and allows the use of Design-by-Analysis (DBA) methodologies alongside enhanced Design-by-Formula (DBF) rules. It is generally not applicable for simple, low-pressure vessels where Division 1 is more economical.

Static Equipment

Pressure Vessel

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ASME

ASME BPVC VIII-3

Rules for Construction of Pressure Vessels — Division 3 (High Pressure)

Rules for high-pressure vessels, typically above ~10,000 psi, with fracture mechanics and fatigue-based design.

Static Equipment

Pressure Vessel

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EN

EN 13445

Unfired Pressure Vessels

European standard for unfired pressure vessels, harmonised with the Pressure Equipment Directive (PED).

Static Equipment

Pressure Vessel

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PD

PD 5500

Specification for Unfired Fusion Welded Pressure Vessels

British specification for unfired fusion-welded pressure vessels, still widely referenced in UK and legacy projects.

Static Equipment

Pressure Vessel

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Edition 2019TEMA

TEMA

Standards of the Tubular Exchanger Manufacturers Association

Comprehensive mechanical standards and nomenclature for shell-and-tube heat exchangers, specifying design, fabrication, tolerances, and installation. It is meant to be used alongside ASME BPVC Section VIII for pressure boundary design.

Static Equipment

Heat Exchanger · Shell-and-Tube Exchanger

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API

API 660

Shell-and-Tube Heat Exchangers

API requirements for shell-and-tube heat exchangers in petroleum and related services, supplementing TEMA and ASME VIII.

Static Equipment

Heat Exchanger · Shell-and-Tube Exchanger

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API

API 661

Air-Cooled Heat Exchangers

Requirements for air-cooled heat exchangers (fin-fan coolers), covering tube bundles, headers, fans, drives, and structure.

Static Equipment

Heat Exchanger · Air Cooler

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API

API 662

Plate Heat Exchangers

Requirements for plate heat exchangers (gasketed and welded) in petroleum and chemical services.

Static Equipment

Heat Exchanger · Plate Exchanger

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HEI

HEI

Heat Exchange Institute Standards

Standards for surface condensers, feedwater heaters, ejectors, and related power-plant heat-transfer equipment.

Static Equipment

Heat Exchanger

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Edition 2020API

API 650

Welded Tanks for Oil Storage

The primary standard for design, fabrication, erection, and testing of welded aboveground atmospheric storage tanks.

Static Equipment

Storage Tank · Atmospheric Tank

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API

API 620

Design and Construction of Large, Welded, Low-Pressure Storage Tanks

Design and construction of large welded low-pressure storage tanks operating above atmospheric but up to ~15 psig, including refrigerated service.

Static Equipment

Storage Tank · Low-Pressure Tank

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API

API 2000

Venting Atmospheric and Low-Pressure Storage Tanks

Requirements for normal and emergency venting of atmospheric and low-pressure storage tanks to prevent over/under-pressure.

Static Equipment

Storage Tank

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API

API 651

Cathodic Protection of Aboveground Petroleum Storage Tanks

Guidance on cathodic protection systems for the soil-side of aboveground storage tank bottoms.

Static Equipment

Storage Tank

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API

API 652

Lining of Aboveground Petroleum Storage Tank Bottoms

Guidance on the internal lining of aboveground storage tank bottoms to control internal corrosion.

Static Equipment

Storage Tank

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EN

EN 14015

Specification for Vertical Cylindrical Welded Steel Tanks

European specification for site-built, vertical, cylindrical, above-ground, welded steel tanks for ambient-temperature liquids.

Static Equipment

Storage Tank · Atmospheric Tank

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AWWA

AWWA D100

Welded Carbon Steel Tanks for Water Storage

Design and construction of welded carbon-steel tanks for potable and process water storage, including elevated tanks.

Static Equipment

Storage Tank

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ASME

ASME BPVC I

Rules for Construction of Power Boilers

Rules for construction of power boilers and high-temperature water boilers, including materials, design, fabrication, and inspection.

Static Equipment

Boiler · Steam Equipment

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ASME

ASME BPVC IV

Rules for Construction of Heating Boilers

Rules for construction of low-pressure heating boilers for steam and hot-water heating service.

Static Equipment

Boiler · Steam Equipment

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ASME

ASME BPVC VI

Recommended Rules for the Care and Operation of Heating Boilers

Recommended practices for the care and operation of heating boilers built to Section IV.

Static Equipment

Boiler

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ASME

ASME BPVC VII

Recommended Guidelines for the Care of Power Boilers

Recommended guidelines for the operation, maintenance, and water treatment of power boilers built to Section I.

Static Equipment

Boiler · Steam Equipment

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NFPA

NFPA 85

Boiler and Combustion Systems Hazards Code

Requirements to reduce explosion and fire hazards in boiler furnaces, fuel systems, and combustion controls.

Static Equipment

Boiler · Steam Equipment

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API

API 560

Fired Heaters for General Refinery Service

Requirements for the design, materials, fabrication, and inspection of fired heaters for general refinery service.

Static Equipment

Fired Heater · Furnace

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API

API 530

Calculation of Heater-Tube Thickness in Petroleum Refineries

Procedures to calculate the required wall thickness of heater tubes considering elastic and rupture (creep) design.

Static Equipment

Fired Heater · Furnace

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API

API 535

Burners for Fired Heaters in General Refinery Services

Guidance on the selection, design, and operation of burners for refinery fired heaters, including low-emission types.

Static Equipment

Fired Heater · Furnace

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API

API 556

Instrumentation, Control, and Protective Systems for Fired Heaters

Guidance on instrumentation, control, and protective (safety) systems for fired heaters and steam generators.

Static Equipment

Fired Heater · Furnace

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NFPA

NFPA 86

Standard for Ovens and Furnaces

Fire and explosion safety requirements for ovens and furnaces, including combustion safeguards and ventilation.

Static Equipment

Furnace · Fired Heater

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API

API 510

Pressure Vessel Inspection Code: In-Service Inspection, Rating, Repair, and Alteration

In-service inspection, rating, repair, and alteration of pressure vessels and pressure-relieving devices.

Inspection & Maintenance

Pressure Vessel · Column · Separator

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API

API 580

Risk-Based Inspection

Elements for developing and maintaining a risk-based inspection program for fixed equipment.

Inspection & Maintenance

Pressure Vessel · Piping · Storage Tank

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API

API 581

Risk-Based Inspection Methodology

Quantitative methodology for calculating probability, consequence, and risk for RBI programs.

Inspection & Maintenance

Fixed Equipment · Pressure Vessel · Piping

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API

API 571

Damage Mechanisms Affecting Fixed Equipment in the Refining Industry

Recognition of damage mechanisms affecting fixed equipment in refining and related process industries.

Inspection & Maintenance

Fixed Equipment · Pressure Vessel · Piping

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API

API 572

Inspection Practices for Pressure Vessels

Inspection planning, methods, and evaluation practices for pressure vessels.

Inspection & Maintenance

Pressure Vessel · Column · Separator

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API

API 579-1 / ASME FFS-1

Fitness-For-Service

Engineering assessment procedures for equipment containing flaws or damage.

Inspection & Maintenance

Pressure Vessel · Piping · Storage Tank

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NBIC

NBIC

National Board Inspection Code

Installation, inspection, repair, and alteration rules for boilers, pressure vessels, and pressure-retaining items.

Inspection & Maintenance

Boiler · Pressure Vessel · Pressure-Retaining Item

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ASME

ASME RTP-1

Reinforced Thermoset Plastic Corrosion-Resistant Equipment

Applies to stationary vessels used for the storage, accumulation, or processing of corrosive or other substances at pressures not exceeding 15 psig external and/or 15 psig internal above any hydrostatic head.

Static Equipment

Non-Metallic Equipment · FRP

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ASME

ASME BPVC X

Section X - Fiber-Reinforced Plastic Pressure Vessels

Provides requirements for construction of an FRP pressure vessel in conformance with a manufacturer's design report. It includes production, processing, fabrication, inspection, and testing methods.

Static Equipment

Non-Metallic Equipment · FRP

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