API 610 says that all API pumps sold to the standard will be performance tested. There are several classes for testing API pumps. Some tests listed are outside of the API standard but are occasionally required by the buyer. These classes are outlined as follows.
API Standard 610 Centrifugal Pumps for Petroleum ....pdf
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API Standard 682, titled "Pumps - Shaft Sealing Systems for Centrifugal and Rotary Pumps," is the American Petroleum Institute (API) standard for end-face mechanical seals.[1] The purpose of API 682 is to assist in the selection and operation of end face mechanical seals in centrifugal pumps. It is based on the combined knowledge and experience of seal manufacturers, engineering companies, and end users. API 682 is primarily intended for use in the petroleum, natural gas and chemical industries, but is often referenced for other types of equipment and industries.[2]
By the late 1980s, mechanical seals had been accepted as the preferred method for sealing rotating pumps for many years. However, mechanical seal standards were generally buried in other standards such as DIN 24960, ANSI B73, and API 610. All of these standards were primarily pump standards and any references to seals were directed at how mechanical seals would interact with pumps.[2]
API 610 is the API standard about centrifugal pumps and is primarily intended for use in the petroleum, natural gas and chemical industries. Although the 1st through 7th Editions of API 610 included specifications for mechanical seals, beginning with the 8th Edition, API 610 defers to API 682 for seal specifications.[2]
API 610 / ISO 13709 international standard specifies requirements for overhung, between-bearings and vertically-suspended centrifugal pumps used in petroleum, petrochemical and gas industry process services. 2ff7e9595c
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