Api 682 mechanical seal standard

The isc2 682 series is a family of balanced pusher and metal bellows seals designed to fully comply with the design and qualification requirements of api 682. To accelerate publication of the seal standard, advantage was taken of the faster voting system of api, and the api 682 2nd edition was published in july 2002 without the equivalent iso standard. It contains a set of charts and summaries that give a brief overview and represent a stepbystep method to specify and select suitable sealmatic sealing systems. Eagleburgmann offers a wide range of high quality mechanical seals and supply systems which fully comply with api 682. Api 682 is a standard of the american petroleum institute.

A task force was formed in 1990 and the first meeting was held in january 1991. Api 682 dual seal design configurations pump industry. New api 682 standard for mechanical seals and supply. The american petroleum institute api agreed to establish a standard for mechanical seals. Test rig mechanical seal manufacturers in mumbai india. This mechanical seal specification is used primarily in the petroleum, natural gas and chemical industries. 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. Eagleburgmann offers the widest portfolio of seals and seal supply systems acc. To understand what an api 682 seal is and the principle how it works to provide a basic understanding of different mechanical seal categories, types and arrangements to provide understanding of seal. Mechanical seals and supply systems in accordance with api. 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.

Api 682 is the leading document for mechanical seals in petrochemical, chemical and pipeline service worldwide. The 4th edition of api 682 standard shaft sealing systems for rotary pumps i. 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. Api 682 4th edition application guide eagleburgmann. Sealing technology by eagleburgmann is used worldwide in oil and gas industries, refineries, the petrochemical, chemical, and pharmaceutical industries, food processing. This comprehensive international standard for mechanical seal and system use has many important changes. From expert consulting and engineering up to modular totalsealcare service solutions for entire. The first meeting of the api 682 task force was held in january 1991. Arrangement 1, which identifies a single mechanical seal, provides a fluidtight seal. Eagleburgmann is one of the leading international system providers of sealing technology. It has combined aspects of seal design, testing, standardization and applications to provide the users and oems alike with a common source of information for mechanical seals. Swagelok mechanical seal support systems are api 682 compliant and designed to extend the life of your seals.

The discussion of the mechanical seals will be based on api 682 standard. Although there have been many lively discussions about whether standard liquid mechanical seals are contacting or not, for. Initial information about mechanical seals was originally provided in the api 610 pump standard. These include such items as an orifice, seal cooler, or seal barrier fluid reservoir. Ive created a new page api standard 682 and written an encyclopedic type description. Several factors play a major role when choosing the mechanical seal for an api 610 pump, the product.

This task force was comprised of fourteen members from various refineries, seal. The following table summarizes the history of api 682 iso 21049 and the pump standards api 610 iso 709. The purpose of api 682 is to assist in the selection and operation of end face mechanical seals in centrifugal pumps. For more than 20 years, they have been actively contributing their expertise to developing and implementing the api 682. This task force was comprised of fourteen members from various refineries, seal and pump manufacturers. Api standard 682 shaft sealing systems for centrifugal and. Api revises api 682 standard for mechanical seals and. Sealmatic mechanical seals and seal supply systems, referring to the seal classification parameters and piping plans of the standard api piping plans with short specifications of all piping plans, symbol library selection of barrierbuffer media for contacting wet dual seals api 682. New api 682 standard for mechanical seals and supply systems en. Api 682 4th edition this brochure provides basic information about api 682 4th edition. Although originally aimed at the hydrocarbon processing industry, the american petroleum institute s seal standard api682 iso 21049 is very widely used because it lists and explains many universally applicable requirements. Dec 20, 2017 api 682 has created definitions for many of the common features and attributes of mechanical seals and systems.

Api 682 standard mechanical seals gallagher fluid seals, inc. It is based on the combined knowledge and experience of seal manufacturers, engineering companies and end users. Api 682 4th edition agitator mechanical seals mechanical. This apparent shortcoming is addressed by the various categories of api 682, second edition see seal. Although there have been many lively discussions about whether standard liquid mechanical seals.

Pumps shaft sealing systems for centrifugal and rotary pumps api standard 682 is the standard about end face mechanical seals. 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. Search for your mechanical seal using the special configurator microtem search a product. Oct 15, 2003 the american petroleum institute api published the first edition of its seal standard, api 682, in 1994. After nearly six years of intensive work, the american petroleum institute api 682 mechanical seal standard is soon to be adopted. Eagleburgmann offers a wide range of high quality mechanical seals and supply systems which fully comply with this standard. Api 682 and iso 20149 is the premier standard for mechanical seals used on hazardous, flammable or toxic applications. The new 4th edition of api 682 is in line with the latest achievements and current developments. 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. Mechanical seal designers face challenges when developing dual seals for a multitude of users and industries. Nspl pump seal design api 682 based on api 682, all mechanical seal shall be cartridge design. Your partner for sealing technology worldwide applications. The api 682 standard is permanently maintained and updated, by practical people namely users and manufacturers.

To verify that a mechanical seal is fit for purpose, the standard measures the change in pressure over a given time. When new concepts are introduced or options are added to the standard, they must be captured in the definitions. The purpose of api 682 is to assist in the selection and operation of end face mechanical seals in. Api 682 4th edition this presentation provides basic information about api 682 4th edition. Api 682 has created definitions for many of the common features and attributes of mechanical seals and systems. May 01, 2014 api 682 and iso 20149 is the premier standard for mechanical seals used on hazardous, flammable or toxic applications. After more than five years of planning, the american petroleum institute api is preparing to release the 4th edition of api standard 682. Api 682 seals stein seal a provider of seals and sealing. It differed from other equipment standards in several ways, most notably because it prescribed certain default designs and materials. Feb 01, 2017 bagues, fernando lorenzo, zabala api 682 is a standard of the american petroleum institute. Api 682 cartridge single seal chesterton a182 single cassette.

Specifications for seal chamber and mechanical seal components annex c informative mechanical seals datasheets annex d informative seal codes annex e normative mechanical seals data requirement forms annex f informative technical tutorials and illustrative calculations annex g normative standard. Seal accessories can be defined as any piece of hardware which is required to support the mechanical seal or the seal piping plan. The stein seal company seals designed for the oil and gas industry are built and qualification tested according to the rigorous api 682 standards test protocols. Api 682 standard has connections and symbols for the seal chamber and gland plate based upon the seal configuration.

Double mechanical seals especially require proper sealing accessories to create suitable operatingread more seal support systems. Mechanical seal failure due to unfavorable operating conditions is an issue in every industry. Api 682 cartridge single seal chesterton a182 single. To understand what an api 682 seal is and the principle how it works to provide a basic understanding of different mechanical seal categories, types and arrangements to provide understanding of seal materials and limitations. This seal is designed specifically for stringent refinery applications, meeting the api 682 standard, type a pusher seal requirements. The api 682 task force of the american petroleum institute is the author of api 682. Series lpa90s multispring pusher seals are designed and qualification tested according to the stringent testing norms specified by api 682 standard. A task force was formed in 1990 and the first meeting was held in january1991. The scope of the standard was also broadened to include seals for chemical duty pumps. Api 682 standard mechanical seals gallagher fluid seals. Api 682 is the api standard about mechanical seals.

In the process new piping plans and test qualifications procedures were developed to cover the new scope. A short collection of mechanical seal performance calculations has always been included in the earlier and current editions of the seal standard api 682 and the cobranded version of iso 21049. Three primary mechanical seal arrangements are defined in the standard. Api 682 has created definitions for many of the common features and attributes of mechanical seals. Several factors play a major role when choosing the mechanical seal for an api 610 pump. 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. With over 55 years of seal design, manufacturing and testing for the industrial and aerospace markets stein seal company has the experience to solve your sealing problems. The purpose of this test is to prove that the cartridge has. It has combined the aspects of seal design, testing, standardization, and applications to provide the users and oems alike with a common source of. Api 682 mechanical seals mechanical seal manufacturers. In the first edition, all seals were assumed to be contacting wet seals. After six years of development, the 4th edition now covers a multitude of seals. Unique failure mode for double mechanical seals api seal. Moreover, the first edition of api 682 defined only heavyduty mechanical seals.

The american petroleum institute standard for mechanical seals, api 682, includes a test of the final cartridge assembly using pressurized air. Api 682 mechanical seal support plans introduced in 1994, api 682 has become the global standard for procurement and operation of seal and supply systems in the oil and gas section. These dependable, engineered mechanical seals are developed to attain extremely low emmissions, typically to less than 150ppm. This article discusses a unique failure mode for double mechanical seals conforming to api standard 682 pumpsshaft sealing systems for centrifugal and rotary pumps. After all, the first edition was centered on api 610 pumps used in oil refineries.

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. The publication progress of the new pump standard was ahead of the seal standard, yet it relied on its availability. From api 682 1st edition to the iso 21049 standard. During the 1990s api 682 developed into a separate, more comprehensive standard for mechanical seals and supply systems. 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 seal has to be provided.

The american petroleum institute api has approximately 500 technical standards for processes and components. C68204 this standard specifies requirements and gives recommendations for sealing systems for centrifugal and rotary pumps used in the petroleum, natural gas, and chemical industries. Api 682 is a key equipment standard for safe and reliable operation of mechanical seals and auxiliary piping systems. The new draft of the fourth edition of api 682 and the planned update of iso 21049 include a significantly expanded version of. Type a is a balanced, cartridge mounted seal which utilized elastomeric secondary seals. On may 1, 2014, the 4 th edition of api 682 mechanical seal standard was officially published. However the cyclic test was not done according to api standard 682 because the mechanism to get the hot water to the test rig was not installed. Nearly six years of work went into the current update of the api 682 mechanical seal standard, due to come into force shortly. Api standard 682 shaft sealing systems for centrifugal. Iso 21049 has been created by the technical committees isotc 115, sc3 and isotc 67, sc6.

Chestertons superior api seal combines proven chesterton technology. This task force comprised members from the refining industry along with seal and pump manufacturers. He was a member of the group that developed the second and third edition of the seal standard, api 682, and is an active member of the joint working group now developing a fourth edition. Here is the description from api 682 iso21409 section 10.

He has written and presented numerous technical papers on mechanical. It includes a strong set of defaults and is by far the best and most logical starting point for mechanical seal and systems use. Type b is a cartridge mounted seal which utilizes the flexible metal bellows and. Since its introduction in 1994, api 682 has become the standard that sets the global tone for the procurement and operation of seal. Api 682 seals mechanical seal manufacturers in mumbai. Api 682 dual seal design configurations pump industry magazine. This task force comprised 14 members from various refineries, seal, and pump manufacturers. Api revises api 682 standard for mechanical seals and supply. Api 682 seals mechanical seal manufacturers in mumbai india. 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. Equipment operators should take the time to familiarize themselves with api 682 to get the most out of this.