Recommended practice for laboratory testing of drilling fluids. Download api standard 682 book pdf free download link or read online here in pdf. Api 682 mechanical seals mechanical seal manufacturers. The purchaser and seal vendor shall mutually agree on the features taken from this standard and used in the application.
Pdf api standard 682 iso 21049 andres calderon academia. New api 682 standard for mechanical seals and supply systems. 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. A further quality of the api 682 is that it does not normatively permit only a single technical solution. Oilfield hammer unions american petroleum institute. 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. It has been revised three times, and the current version is the 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. It is applicable to both new and retrofitted pumps and to pumps other than api 610 pumps e. 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. Customer specific variants of these plans are possible. On may 1, 2014, the 4 th edition of api 682 mechanical seal standard was officially published. Description download api 682 datasheetes free in pdf format.
Api 682 is a standard of the american petroleum institute. The purpose of api 682 is to assist in the selection and operation of end face mechanical seals in centrifugal pumps. The 4th edition of api 682 standard shaft sealing systems for rotary pumps i. Centrifugal pumps for petroleum, petrochemical and natural.
The new draft of the fourth edition of api 682 and the planned update of iso 21049 include a significantly expanded version of these calculations plus associated explanations in its annex f. Status of the publication can be ascertained from the api standards department, telephone 202 682 8000. During the 1990s, api 682 developed into a separate, more comprehensive standard for mechanical seals and supply systems. Standard reference photographs for magnetic particle indications on ferrous castings iso 2862. The charts, summaries and piping plans in this brochure are based on that standard. Series lpa90s multispring pusher seals are designed and qualification tested according to the stringent testing norms specified by api 682 standard. The api 682 standard, which dates back to 1994 and is formally known as shaft sealing systems for centrifugal and rotary pumps, offers specifications and best practices for mechanical seals. These revisions have greatly expanded the scope of the standard by including applications to more pumps, adding new seal types, and creating seal categories. It appears to be off by a factor of 16 and the units are unclear. 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.
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. To completely align api 682 and iso 21049, api 682 was updated to 3rd edition and reissued in 2004 figure 2. From api 682 1st edition to the iso 21049 standard. This article summarizes the development and changes in the 2nd edition api 682 until its launch in 2002, and how it subsequently grew into iso 21049 to become a mature seal standard with. These are standardized flushing piping arrangements that are widely used in the industry. The charts, summaries and piping plans in this presentation are based on that standard. Introduced in 1994, the standard has undergone almost six years of revision. The revised api 682 mechanical seal standard upstream pumping. 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. The resulting work, api 682 fourth edition iso 21049 second edition continues the tradition as the leading standard for mechanical sealing. Any seal that was designed in accordance with our standards for api 682 seal design will also meet the requirements of iso 21049. The american petroleum institute api has approximately 500 technical standards for processes and components. This is especially true for the size envelope specified for api 682 seals. Pumpsshaft sealing systems for centrifugal and rotary.
New definitions api 682 has created definitions for many of the. Eagleburgmann offers a wide range of high quality mechanical seals and supply systems which fully comply with this standard. Recommended practice for machinery installation and. 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. The revised api 682 mechanical seal standard upstream. Recently, the american petroleum institute has moved to issue its standards independently of the iso standards organization. During the 90s, api 682 then developed into a separate, more comprehensive standard for mechanical seals and supply systems. Api standard 682 addresses pump sealing systems in the petroleum, natural gas, and chemical. Api 682 is a key equipment standard for safe and reliable operation of mechanical seals and auxiliary piping systems.
Api 682 task force worked to incorporate the industry needs and new technology into the new standard. Api 682 history initial information about mechanical seals was originally provided in the api 610 pump standard. The release of an updated 682 standard in the form of iso 21049 left api. Nearly six years of work went into the current update of the api 682 mechanical seal standard, due to come into force shortly. The api 682 standard is continually maintained and updated by end users and manufacturers. The api standard 682 might also be referenced by other machinery standards such as other pumps, compressors, and agitators. It was a standard driven by plant operators to reduce cost and improve seal reliability.
Advancements in mechanical sealing api 682 fourth edition. The api plans elaborated in this section are as defined by api 682 3rd edition api 610 10th edition. The resulting work, api 682 fourth edition continues the tradition as the leading standard for mechanical sealing. These dependable, engineered mechanical seals are developed to attain extremely low emmissions, typically to less than 150ppm. Standard flush plan for vertical pumps without a bleed bush below the seal. A catalog of api publications and materials is published annually by api, 1220 l street, nw, washington, dc 20005.
What 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 in may 2014, the fourth edition of api standard 682 was released. A catalog of api publications and materials is published annually by api, 1220 l street nw, washington, dc 20005. From expert consulting and engineering up to modular totalsealcare service solutions for entire. A typical quality of the api 682 standard is that is permanently updated by practical people. Api 682 contains literally hundreds of details on features required on an api 682 seal. 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. Suggested revisions are invited and should be submitted to the standards department, api, 1220 l. Users are cautioned that this standard is not specifically written to address all of the potential applications that a purchaser may specify. 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. 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. Status of the publication can be ascertained from the api standards department telephone 202 682 8000. Design and construction of large, welded, lowpressure.
Pdf api piping plans api 682 4th edition yulianti setiono. While some mechanical seal standard existed, they were generally buried in other standards such as din 24960, ansi b73 and api. This article gives a background to the standard and an overview as to what the api 682. Recommended practice for machinery installation and installation design chapter 1introduction 1 scope 1. New api 682 standard for mechanical seals and supply systems en. Pumps shaft sealing systems for centrifugal and rotary pumps api standard 682 is the standard about end face mechanical seals. It is based on the combined knowledge and experience of seal manufacturers, engineering companies and end users. Read online api standard 682 book pdf free download link book now. Api 610 is primarily intended for use in the petroleum, natural gas and chemical industries. In may 2014, the fourth edit ion of api standard 682 was released. Completes the sealing system classification by selecting the required api plan.
Api 682 and iso 21049 specify three basic seal types, a fourth option is a totally engineered sealing system es. Page 5 rotating equipment specialist training program. Mar 22, 2020 download api standard 682 book pdf free download link or read online here in pdf. Although the 1 st through 7 th editions includes specifications for mechanical seals, beginning with the 8 th edition, api 610 refers to api 682 for seal specifications. 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. This standard is referenced normatively in api 610. What 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 in may 2014, the fourth edition of api standard 682. All books are in clear copy here, and all files are secure so dont worry about it. The api 682 task force worked to incorporate the industry needs and new technology into the new standard. All 682 seal coolers are fully compliant with industrial standards, including api 682 4th. This stan dard was the result of the efforts of key rotating equipment engineers in the refinery industry. After more than five years of planning, the american petroleum institute api is preparing to release the 4th edition of api standard 682 iso 21049. Api std 685 sealless centrifugal pumps for petroleum, petrochemical, and gas industry process service, second edition.
From expert consulting and engineering up to modular totalsealcare. Api 682 4th edition application guide eagleburgmann. The new annex topics pay particular attention to subsections covering. May 28, 2015 white paper 1 beyond switches for pump monitoring.
Eagleburgmann offers a wide range of high quality mechanical seals and supply systems which fully comply with api 682. A catalog of api publications, programs and services is published annually and updated biannually by api, and available through global engineering documents. Api 682 based on api 682, all mechanical seal shall be cartridge design. Api 682 4th edition this brochure provides basic information about api 682 4th edition. Api 682 is the api standard about mechanical seals. After nearly six years of intensive work, the api 682 4th edition includes numerous amendments and important innovations for the procurement and operation of seal and supply systems in the oil and gas sector, as well as the petrochemical industry. The api 682 standard was established in 1994 as the first standalone standard for mechanical seals used in pumps and has gained wide acceptance in the oil and gas industry. After nearly six years of intensive work, the american petroleum institute api 682 mechanical seal standard is soon to be adopted. This site is like a library, you could find million book here by using search box in the header. Pdf norma api 682 2da edicion brian lizama academia. This article gives a background to the standard and an overview as to what the api 682 4th edition will offer.
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