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. Api 682 4 th edition piping plans linkedin slideshare. The completed 2nd edition was submitted to the iso organization for approval as their iso 21049. Advancements in mechanical sealing flowserve corporation. The barrier fluid pressure is higher than the pressure in the pumps seal chamber. At the time, api and iso had an agreement to jointly issue standards. Eagleburgmann offers a wide range of high quality mechanical seals and supply systems which fully comply with api 682. Api 682 dual seal design configurations pump industry magazine. This third edition builds on the second edition with an expansion of the scope to. Both the api 610 and api 682 task forces made efforts to remove redundancies between the two standards. Ooc was published in september 1966, under the title. Api standard 682 wikipedia api rp 684 r2010 api standard paragraphs. What changed with api 682 standard linkedin slideshare. Please contact aesseal systems division for further details.
This arrangement comprises two seals per cartridge assembly and an externally supplied pressurized barrier fluid. Api 682 most common plans and sealing systems plan 53b plan 53c plan 52 used where the pumped product is. Users who are familiar with the 3rd edition do not have a major step to understand the 4th edition. The date of issue of this edition is november 1, 2018. 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. These are standardized flushing piping arrangements that are widely used in the industry. For all practical purposes, api 682 3rd edition is the same as 2nd edition. Api 682 3rd edition mechanical seal temperature limit bk19702 mechanical 29 aug 11 12. Api 682 3rd for training free download as pdf file. This cobranded document was published in september 2004. Each illustrated piping plan is briefly described, and a recommendation that considers the media characteristics in terms of the relevant application and corresponding configurations is given to help you reliably select your. The revised api 682 mechanical seal standard upstream pumping. Our filtering technology ensures that only latest api 682. 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.
Download api 682 pumps shaft sealing systems for centrifugal and rotary pumps 3rd edition 2004. Seal code according to api 682 3rd edition example category arrangement type api plans c2 a3 a 1153a. 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. Api 682 iso 21049 is the leading document for mechani. Pdf api piping plans api 682 4th edition yulianti setiono. Api 682 4th edition application guide eagleburgmann.
Since the publication of the third edition, seal technology has. The pressure is generated by a bladder accumulator upstream of the seal. From expert consulting and engineering up to modular totalsealcare service solutions for entire plants. These are standardized flushing piping arrangements that. Thermosyphon system compliant with all requirements of api 682, 4th edition.
Download api 682 3rd edition pdf files tradownload. Api standard 682 shaft sealing systems for centrifugal and. May 28, 2015 the second edition of api 682 was adopted by iso, making it a worldwide standard, iso 21049. Api 682 3rd edition mechanical seal temperature limit. Over the past decade, technology has improved, and the api 682 committee members used their experiences to determine how to improve process pump reliability and safety. In api 682, second edition 2002, all shaft and seal chamber tabulations have been eliminated. Customer specific variants of these plans are possible. In addition to leading seal system manufacturers, the americaneuropean expert panelwhich intentionally counted on nonapi member collaborationalso included renowned planning companies and representatives from some of the. Kts53b pressurised barrier fluid system to api 682, 4th. This standard is referenced normatively in api 610. Api 682 4th edition released on may 1, 2014, the 4 th edition of api 682 mechanical seal standard was officially published.
The pressure of the buffer fluid fluid is lower than the pressure in the pumps seal chamber. Api 682 3rd edition and iso 21149 standard mc nally. Since the publication of the third edition, seal technology has continued to advance. Api specification 16d, third edition please be advised that the 3rd edition of api specification 16d, control systems for drilling well control equipment and control systems for diverter equipment, has been published. Api std 682 pumpsshaft sealing systems for centrifugal and rotary pumps, fourth edition. It has combined the aspects of seal design, testing, standardization, and applications to provide the users and oems alike with a common source of. Year pump specification mechanical seal specification note 2004 api 610, 10th edition api 682, 3rd edition same wording and structure as in the iso documents iso 21049 enhancements to api 682, 2nd edition 2003 iso 709 enhancements to api 610, 9th edition. It includes a strong set of defaults and is by far the best and most logical starting point for mechanical seal and systems use. Api 682 is the api standard about mechanical seals.
Feb 21, 2016 this guiding booklet provides a condensed overview of all piping plans established by the api 682 4th edition guidelines. The practically oriented manner in which api approaches the topic of seals is already indicated by the composition of the 25member task force who since 2006 have been working intensively on the update of the currently still valid 3rd edition of api 682 that took effect in 2004. Pumpsshaft sealing systems for centrifugal and rotary pumps. Api 682 api 682 short guide most common plans and operational information.
In the advancements in mechanical sealing api 682 4th edition. Key elements of the 4th edition api 682 standard the fundamental building blocks of api 2nd and 3rd editionsseal types, arrangements, and configurationsremain effectively unchanged for the 4th edition. It is applicable to both new and retrofitted pumps and to pumps other than api 610 pumps e. A catalog of api publications and materials is published annually and updated quarterly by api, 1220 l street, nw, washington, d. Edition of api 682 was confirmed by the international community as iso21049 in 2002 with only minor changes from api 682 second edition. This standard might also be referenced by other machinery standards such as other pumps, compressors, and agitators. As stated in the introduction, api 682 is applicable to both new. However, the iso document has been voted by the api as an identical national standard, and has thus become the 3rd edition of api 682. 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. Status of the publication can be ascertained from the api standards department, telephone 202 682 8000. Recommended practice for classification of locations for. The american petroleum institute api has approximately 500 technical standards for. A catalog of api publications and materials is published.
The api 682 standard was originally published in 1994 as a guide to selecting. The objective of having identical standards was not achieved between the api 682 2nd edition and iso 21049. Your partner for sealing technology worldwide applications. With short specifications of all piping plans, symbol library. To completely align api 682 and iso 21049, api 682 third edition was issued in 2004. Recommended practice for machinery installation and. Tile second edition of api rp 2350 ovelfill protectionor storage tank, in petroleum facilities was revvtitten and expanded with emergency spill prevention progmms in mind and replaced the previous edition in whole and in part. Api 682 is a standard of the american petroleum institute. A catalog of api publications and materials is published annually by api, 1220 l street, nw, washington, dc 20005.
In api 610 1995, most seal requirements, the seal code, and seal piping plans have been eliminated with a reference made to api 682. The api plans elaborated in this section are as defined by api 682 3rd edition api 610 10th edition. Api 610 is primarily intended for use in the petroleum, natural gas and chemical industries. Equipment operators should take the time to familiarize themselves with api 682 to get the most out of this.
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