ANSI/API Standard 661 is the national adoption of ISO 13706: 2000-Petroleum and Natural Gas Industries-Air-cooled Heat Exchangers. ANSI/API Standard 661 gives requirements and recommendations for the design, materials, fabrication, inspection, testing and preparation for shipment of air-cooled heat exchangers for use in the petroleum and natural gas industries.This International Standard is applicable to air-cooled heat exchangers with horizontal bundles, but the basic concepts may also be applied to other configurations.
API 661:2002 History
More Standards PDF
API RP 572:2009
$85.00 $171.00
API 570:2009
$74.00 $149.00
API Std 594:2010
$70.00 $140.00
API RP 2611 First Edition
$55.00 $110.00








