API Std 685 Third Edition PDF
This standard covers the minimum requirements for sealless centrifugal pumps for use in petroleum, heavy-duty petrochemical, and gas industry services. It is applicable to single-stage overhung pumps of two classifications, magnetic drive pumps (MDPs) and canned motor pumps (CMPs).
Sections 2 through 8 and Section 10 cover requirements applicable to both classifications. Section 9 is divided into two subsections and covers requirements unique to each classification.
API Std 685 History
More Standards PDF
API Publ 4723:2002
$144.00 $288.00
API Std 603:2001
$72.00 $144.00
API RP 2A-WSD (R2010)
$107.00 $214.00
API Publ 4689
$46.00 $93.00