API STD 685-2011
$56.55
Seal Less Centrifugal Pumps for Petroleum, Petrochemical, and Gas Industry Process Service
| Published By | Publication Date | Number of Pages |
| API | 2011 | 186 |
1.1 This standard specifies the minimum requirements for sealless centrifugal pumps for use in petroleum, heavy duty petrochemical and gas industry services. Refer to Annex A for application information. Notes following a clause are informative.
1.2 This standard is applicable to single stage overhung pumps of two classifications, Magnetic Drive Pumps (MDP) and Canned Motor Pumps (CMP). 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.
NOTE Extension of applicability to other designs such as multistage will need additional input and agreement between Purchaser and Supplier.
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