Aboveground Storage Tanks

12Seri​es - Specifications for Production Liquids

Std 620 - Design and Construction of Large, Welded, Low-Pressure Storage Tanks
Std 650 - Welded Steel Tanks for Oil Storage​
Std 653 - Tank Inspection, Repair, Alteration, and Reconstruction

Corrosion & Materials

Recommended Practice 571 - Damage Mechanisms Affecting Equipment in the Refining Industry

Fitness for Service

Recommended Practice 579 - Fitness-for-Service

Heat Transfer

Standard 530 - Calculation of Heater Tube Thickness in Petroleum Refineries
Standard 560 - Fired Heaters for General Refinery Services

Standard 537 - Flare Details
Standard 660 - Shell-and-Tube Heat Exchangers for General Refinery Services
Standard 661 - Air-Cooled Heat Exchangers for General Refinery Service

Inspection (Process Equipment)

API 510 - Pressure Vessel Inspection Code
API 570 - Piping Inspection Code
Recommended Practice 572 - Inspection of Pressure Vessels
Recommended Practice 573 - Inspection Fired Heaters and Boilers
Recommended Practice 574 - Inspection of Piping System Components
Recommended Practice 575 - Inspection of Aboveground Storage Tanks
Recommended Practice 578 - Material Verification Program for New & Existing Alloy Piping Systems
Recommended Practice 576 - Inspection of Pressure-Relieving Devices
Recommended Practice 580 - Risk-Based Inspection

Mechanical Equipment

Standard 610 - Centrifugal Pumps for Petroleum, Petrochemical and Natural Gas Industries
Standard 611 - General Purpose Stream Turbines for Petroleum, Chemical, and Gas Industry
     Services
Standard 612 - Special Purpose Steam Turbines for Petroleum, Chemical, and Gas Industry Services
Standard 613 - Special Purpose Gear Units for Petroleum, Chemical and Gas Industry Services
Standard 614 - Lubrication, Shaft-Sealing, and Control-Oil Systems for Special-Purpose Application
Standard 616 - Gas Turbines for the Petroleum, Chemical and Gas Industry Services
Standard 617 - Axial, Centrifugal Compressors and Expander-compressors for Petroleum, Chemical
    and Gas Industry Services
Standard 618 - Reciprocating Compressors for Petroleum, Chemical and Gas Industry Services
Standard 619 - Rotary-Type Positive Displacement Compressors for Petroleum, Chemical and Gas Industry Services
Standard 670 - Machinery Protection Systems
Standard 671 - Special Purpose Couplings for Petroleum, Chemical and Gas Industry Services
Standard 672 - Packaged, Integrally Geared Centrifugal Air Compressors for Petroleum, Chemical, and Gas Industry Services
Standard 673 - Special Purpose Fans
Standard 674 - Positive Displacement Pumps - Reciprocating
Standard 675 - Positive Displacement Pumps - Controlled Volume
Standard 676 - Positive Displacement Pumps - Rotary
Standard 677 - General-purpose Gear Units for Petroleum, Chemical and Gas Industry Services
Standard 682 - Shaft Sealing Systems for Centrifugal and Rotary Pumps
Recommended Practice 684 - API Standard Paragraphs Rotordynamic Tutorial: Lateral Critical 
    Speeds, Unbalance Response, Stability, Train Torsionals, and Rotor Balancing
Recommended Practice 686 - Machinery Installation and Installation Design
Recommended Practice 687 - Rotor Repair

Piping & Valves

API 570 - Piping Inspection Code

Standard 591 - Process Valve Qualification Procedure

Standard 594 - Check Valves: Flanged, Lug, Wafer and Butt-welding
Standard 598 - Valve Inspection and Testing
Standard 600 - Bolted Bonnet Steel Gate Valves for Petroleum and Natural gas Industries
Standard 602 - Compact Steel Gate Valves - Flanged, Threaded, Welding and Extended Body Ends
Standard 607 - Testing of Valves - Fire Type-testing Requirements

Standard 608 - Metal Ball Valves-Flanged, Threaded and Butt Welding Ends
Standard 609 - Butterfly Valves: Double Flanged, Lug and Wafer Type

Pressure Relieving Systems

Recommended Practice 520 (Part I) - Sizing, Selection, and Installation of Pressure-Relieving Devices, Part I - Sizing and Selection
Recommended Practice 520 (Part II) - Sizing, Selection, and Installation of Pressure-Relieving Devices, Part II - Installation
Recommended Practice 521 - Pressure- Relieving and Depressuring Systems
Standard 526 - Flanged Steel Pressure Relief Valves
Standard 527 - Seat Tightness of Pressure Relief Vavles
Standard 2000 - Venting Atmospheric and Low-Pressure Storage Tanks

Electrical Equipment

Standard 541 - Form-wound Squirrel-cage Induction Motors Larger than 500 Horsepower

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