Api recommended practice 684 api standard paragraphs. Api 682 and iso 21049 introduce a seal code which contains information about the category, arrangement, type and api plan. Nearly six years of work went into the current update of the api 682 mechanical seal standard, due to come into force shortly. Status of the publication can be ascertained from the api standards department, telephone 202 682 8000. Api standard 682 shaft sealing systems for centrifugal and rotary pumps last update.
New api 682 standard for mechanical seals and supply systems en. From expert consulting and engineering up to modular totalsealcare service solutions for entire. The revised api 682 mechanical seal standard upstream pumping. The api 682 standard of the american petroleum institute is an important standard for all mechanical seals and supply systems. Status of the publication can be ascertained from the api standards department telephone 202 682 8000.
Suggested revisions are invited and should be submitted to the standards and publications. This site is like a library, you could find million book here by using search box in the header. Since its introduction in 1994, api 682 has become the standard that sets the global tone for the procurement and operation of seal and supply systems for centrifugal pumps in the oil and gas sector as well as in petrochemistry. Standard flush plan for vertical pumps without a bleed bush below the seal. Api std 685 sealless centrifugal pumps for petroleum, petrochemical, and gas industry process service, second edition. The release of an updated 682 standard in the form of iso 21049 left api. Ive created a new page api standard 682 and written an encyclopedic type description.
A catalog of api publications, programs and services is published annually and updated biannually by api, and available through global engineering documents. Recommended practice for machinery installation and installation design chapter 1introduction 1 scope 1. In order to read a secure pdf, you will need to install the fileopen plugin on your computer. Although wikipedia, the online encyclopedia, has a page for the american petroleum institute api, it does not have a page for the seal standard api 682. The fileopen plugin works with adobe reader and other viewers. Api 682 and iso 21049 specify three basic seal types, a fourth option is a totally engineered sealing system es. This stan dard was the result of the efforts of key rotating equipment engineers in the refinery industry. Api standard defines as flashing all hydrocarbons that have a vapour pressure higher that 1 barg and for these fluids a double or tandem balanced. A catalog of api publications and materials is published annually by api, 1220 l street nw, washington, dc 20005. It was a standard driven by plant operators to reduce cost and improve seal reliability. The purchaser and seal vendor shall mutually agree on the features taken from this standard and used in the application. To completely align api 682 and iso 21049, api 682 was updated to 3rd edition and reissued in 2004 figure 2. A catalog of api publications, programs,md services is published annually and.
Pdf norma api 682 2da edicion brian lizama academia. A typical quality of the api 682 standard is that is permanently updated by practical people. The american petroleum institute api has approximately 500 technical standards for processes and components. This standard is also applicable to seal spare parts and can be referred to for the upgrading of existing equipment. This standard is not to be interpreted as approving, recommending, or endorsing any specific design nor limiting the methods of inspection, repair, alteration, or reconstruction. Api 682 4th edition this brochure provides basic information about api 682 4th edition. In may 2014, the fourth edit ion of api standard 682 was released. Mar 22, 2020 download api standard 682 book pdf free download link or read online here in pdf. Pumpsshaft sealing systems for centrifugal and rotary. This standard describes the procedures for calibrating upright cylindrical tanks larger than a barrel or drum.
This standard is referenced normatively in api 610. This standard specifies the minimum requirements for sealless centrifugal pumps for use in petroleum, heavy duty petrochemical and gas industry services. Api std 682 pumpsshaft sealing systems for centrifugal. Oilfield hammer unions american petroleum institute. The american petroleum institute api is the only national trade association that represents all aspects of americas oil and natural gas industry. Api 682 is a standard of the american petroleum institute. Gary checked with emersons deane horn for how this machinery protection standard has been applied.
Api std 682 pumpsshaft sealing systems for centrifugal and rotary pumps, fourth edition api on. Completes the sealing system classification by selecting the required api plan. Api std 682 pumpsshaft sealing systems for centrifugal and rotary pumps, fourth edition. A catalog of api publications and materials is published annually and updated quarterly by api, 1220 l street, n. Api 682 is primarily intended for use in the petroleum, natural gas and chemical industries but is also referenced for other types of equipment and industries. Abstract apis recent release of standard 682 second edition and the pending release of api 682 third edition and iso 21049 represent a major revision to this standard. Description download api 682 datasheetes free in pdf format. Download api standard 682 book pdf free download link or read online here in pdf. Pumps shaft sealing systems for centrifugal and rotary pumps. It shall not be reproduced or circulated or quoted, in whole or in part, outside of api committee activities except with the approval of the chairman of the. It is applicable to both new and retrofitted pumps and to pumps other than api 610 pumps e. Api 682 is the api standard about mechanical seals. Overview and update of api standards iadc south east asia chapter meeting kuala lumpur, malaysia march 21, 2017. Page 5 rotating equipment specialist training program.
While some mechanical seal standard existed, they were generally buried in other standards such as din 24960, ansi b73 and api. A further quality of the api 682 is that it does not normatively permit only a single technical solution. Since its introduction in 1994, api 682 has become the standard that sets the global tone for the procurement and operation of seal and supply systems for centrifugal pumps in the oil and gas sector as well as in the petrochemical industry. Part ii sections 42 to 58 presents the recommended procedure for computing volumes. The api std 682 is referenced normatively in api 610. Rotating machinery protection and api standard 670 emerson. The api 682 task force worked to incorporate the industry needs and new technology into the new standard. Any seal that was designed in accordance with our standards for api 682 seal design will also meet the requirements of iso 21049. The revised api 682 mechanical seal standard upstream. Recommended practice for laboratory testing of drilling fluids. Api standard 682 addresses pump sealing systems in the petroleum, natural gas, and chemical. Deane explained that the api 670 is a vibration monitoring, rotating machinery shutdown protection specification and does not address seal systems such as api standard 682 for pumps. Part i sections to 41 outlines procedures for making necessary measurements to determine total and incremental tank volumes.
From api 682 1st edition to the iso 21049 standard. Each edition, revision, or addenda to this api standard may be used beginning with the. Selection and application recommendations according to api 682. Pdf api piping plans api 682 4th edition yulianti setiono. New api 682 standard for mechanical seals and supply systems. The resulting work, api 682 fourth edition iso 21049 second edition continues the tradition as the leading standard for mechanical sealing. Eagleburgmann offers a wide range of high quality mechanical seals and supply systems which fully comply with api 682. From expert consulting and engineering up to modular totalsealcare.
Pumps shaft sealing systems for centrifugal and rotary pumps api standard 682 is the standard about end face mechanical seals. The rules given in this standard are minimum requirements. Yet the first edition states that the standard does not cover the design of the component parts of mechanical seals ironically, this statement is followed by 16 pages of specifications that directly affect the design of seal components. The purpose of api 682 is to assist in the selection and operation of end face mechanical seals in centrifugal pumps. Introduced in 1994, the standard has undergone almost six years of revision. The 4th edition of api 682 standard shaft sealing systems for rotary pumps i. The us national standard, api 682 1st edition, when published in 1994 had the potential of revolutionizing the supply of seals to the hydrocarbon process industries. Api standard 682 plans 52, 53 a, b, and c for dual seal pumps has evolved to include transmitters which enable a more reliable, safer plant.
A classification system for the seal configurations covered by this international standard into categories, types, arrangements and orientations is provided. Api 682 based on api 682, all mechanical seal shall be cartridge design. New definitions api 682 has created definitions for many of the. Changed with api standard 682 api standard 682 plans 52, 53 a, b, and c for dual seal pumps has evolved to include transmitters which enable a more reliable, safer plant. It contains a set of charts and summaries that give a brief overview and represent a stepbystep method to specify and select suitable eagleburgmann sealing systems. This standard specifies requirements and gives recommendations for sealing systems for centrifugal and rotary pumps used in the petroleum. Advancements in mechanical sealing api 682 fourth edition. This standard was very similar to api 682 2nd edition but did contain some editorial changes and correction of a small number of technical errors. Api 682 4th edition application guide eagleburgmann. Api 682 is a key equipment standard for safe and reliable operation of mechanical seals and auxiliary piping systems.
The api standard 682 might also be referenced by other machinery standards such as other pumps, compressors, and agitators. Api 682 contains literally hundreds of details on features required on an api 682 seal. Our more than 600 corporate members, from the largest major oil company to the smallest of independents, come from all segments of the industry. Suggested revisions are invited and should be submitted to the standards department, api, 1220 l. Recommended practice for machinery installation and. Api standards are available for purchase at the api publications store at api. It has combined the aspects of seal design, testing, standardization, and applications to provide the users and oems alike with a common source of. The resulting work, api 682 fourth edition continues the tradition as the leading standard for mechanical sealing. Download api 682 pdf rapidshare com 109578758 api 682 pdf api 682 pdf h from 9 kb, api 682 pdf from 5 mb free from tradownload. Advancements in mechanical sealing api 682 fourth edition abstract api 682 iso 21049 is the leading document for mechanical seals in petrochemical, chemical, and pipeline services worldwide. All books are in clear copy here, and all files are secure so dont worry about it. Pdf api standard 682 iso 21049 andres calderon academia.
This standard might also be referenced by other machinery standards such as other pumps, compressors, and agitators. This is especially true for the size envelope specified for api 682 seals. After nearly six years of intensive work, the american petroleum institute api 682 mechanical seal standard is soon to be adopted. It is based on the combined knowledge and experience of seal manufacturers, engineering companies and end users. During the 90s, api 682 then developed into a separate, more comprehensive standard for mechanical seals and supply systems. Eagleburgmann offers a wide range of high quality mechanical seals and supply systems which fully comply with this standard. Rotating machinery protection and api standard 670. Api standard 682 shaft sealing systems for centrifugal.
Api 682 task force worked to incorporate the industry needs and new technology into the new standard. This article gives a background to the standard and an overview as to what the api 682 4th edition will offer. Users are cautioned that this standard is not specifically written to address all of the potential applications that a purchaser may specify. Design and construction of large, welded, lowpressure. Read online api standard 682 book pdf free download link book now. This is a new configuration foreseen by api 682standard american petroleum institute, where the two seals are assembled in a tandem layout. Recently, the american petroleum institute has moved to issue its standards independently of the iso standards organization. A catalog of api publications and materials is published.
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