(American Petroleum Institute (API
API 610 ( Standard for Centrifugal Pumps for Petroleum, Petrochemical and Natural Gas Industries – 11th Edition )
API 611 ( Standard for General Purpose Steam Turbines for Petroleum, Chemical, and Gas Industry Servies – 4th Edition )
API 612 ( Standard for Special purpose Steam Turbines Applications Petroleum, petrochemical and natural gas industries th Edition )
API 613 ( Standard for Special Purpose Gear Units for Petroleum, Chemical and Gas Industry Services – 5th Edition )
API 614 ( Standard for Lubrication, Shaft-sealing, and Control-oil Systems and Auxiliaries for Petroleum, Chemical and Gas Industry – 3th Edition )
API 616 ( Standard for Gas Turbines for the Petroleum, Chemical and Gas Industry Services – 5th Edition )
API 617 ( Standard for Axial and Centrifugal Compressors and Expander-compressors for Petroleum, Chemical and Gas Industry Services – 7th Edition )
API 618 ( Standard for Reciprocating Compressors for Petroleum, Chemical, and Gas Industry Services -4 th Edition )
API 619 ( Standard for Rotary-type Positive Displacement Compressors for Petroleum, Petrochemical, and Natural Gas Industries – 4th Edition )
API 620 ( Standard for Design and Construction of Large, Welded, Low-pressure Storage Tanks 66 – 4th Edition )
API 670 ( Standard for Machinery Protection Systems th Edition )
API 671 ( Standard for Special Purpose Couplings for Petroleum, Chemical and Gas Industry Services – 3th Edition )
API 675 ( Standard for Packaged, Integrally Geared Centrifugal Air Compressors for Petroleum, Chemical, and Gas Industry Services – 2th Edition )
(PTC) Performance Test Codes
(PTC 1 (General Instructions
(PTC 10 ( Compressors and Exhausters
(PTC 22 ( Gas Turbines
Boiler and Pressure Vessel Code
National Fire Protection Association (NFPA)
Other