API STD 682-2014
Pumps - Shaft Sealing Systems for Centrifugal and Rotary Pumps (Fourth Edition)

Standard No.

API STD 682-2014

Release Date

2014

Published By

API - American Petroleum Institute

Latest

API STD 682-2014

Scope

This standard specifies requirements and gives recommendations for sealing systems for centrifugal and rotary pumps used in the petroleum@ natural gas@ and chemical industries. See A.1.1 and A.1.2. It is the responsibility of the purchaser or seal vendor to ensure that the selected seal and auxiliaries are suitable for the intended service condition. It is applicable mainly for hazardous@ flammable@ and/or toxic services where a greater degree of reliability is required for the improvement of equipment availability and the reduction of both emissions to the atmosphere and life-cycle sealing costs. It covers seals for pump shaft diameters from 20 mm (0.75 in.) to 110 mm (4.3 in.). This standard is also applicable to seal spare parts and can be referred to for the upgrading of existing equipment. A classification system for the seal configurations covered by this standard into categories@ types@ arrangements@ and orientations is provided. This standard is referenced normatively in API 610. It is applicable to both new and retrofitted pumps and to pumps other than API 610 pumps (e.g. ASME B73.1@ ASME B73.2@ and API 676 pumps). This standard might also be referenced by other machinery standards such as other pumps@ compressors@ and agitators. Users are cautioned that this standard is not specifically written to address all of the potential applications that a purchaser may specify. This is especially true for the size envelope specified for API 682 seals. The purchaser and seal vendor shall mutually agree on the features taken from this standard and used in the application.

API STD 682-2014 history

• 2014 API STD 682-2014 Pumps - Shaft Sealing Systems for Centrifugal and Rotary Pumps (Fourth Edition)
• 2004 API STD 682-2004 Pumps Shaft Sealing Systems for Centrifugal and Rotary Pumps (Third Edition)
• 2002 API STD 682-2002 Pumps - Shaft Sealing Systems for Centrifugal and Rotary Pumps (Second Edition)
• 1994 API STD 682-1994 Shaft Sealing Systems for Centrifugal and Rotary Pumps