This recommended practice describes actions a purchaser can take to procure new valves that are required to be in accordance with the Refinery Service Value standards. The purchaser may find that the suggested actions also apply to valves manufactured to other specifications.
API 591:1998 History
API RP 591
$61.00 $123.00
API RP 591:2014
$68.00 $136.00
API RP 591:2008
$70.00 $140.00
API RP 591:2003
$72.00 $144.00
API 591:1998
$72.00 $144.00
More Standards PDF
API RP 554, Part 1
$78.00 $156.00
API Spec 15LF
$50.00 $100.00
API RP 1640 Second Edition 2021
$106.00 $213.00
API Std 600
$75.00 $150.00










