API 612

Petroleum Petrochemical and Natural Gas Industries—Steam Turbines—Special-Purpose Applications
API Std 612 | 7th Edition | August 2014 |

Specifies the minimum requirements for steam turbines for special-purpose applications for use in the petroleum, petrochemical, and natural gas industries. These requirements include basic design, materials, fabrication, inspection testing, and preparation for shipment. It also covers the related lube oil systems, instrumentation, control systems, and auxiliary equipment. It is not applicable to general-purpose steam turbines, which are covered in Std 611.