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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]
NOK is the first Japanese seals manufacturer, has extensive range of sealing products including oil seals, packings, O-ring, soft metals, seal washers and mechanical seals. Seals are used to prevent the leakage of fluids and gases in automotive engines. As a major product line, sealing products account for half of the group's sales. [8]
John Crane is an American company, now a subsidiary of Smiths Group and provider of engineered products and services including mechanical seals, couplings, seal support systems, filtration systems and digital diagnostics technologies. The company services customers in the energy services sector including production, transmission and storage ...
A seal is a device or material that helps join systems, mechanisms or other materials together by preventing leakage (e.g. in a pumping system), containing pressure, or excluding contamination. The effectiveness of a seal is dependent on adhesion in the case of sealants and compression in the case of gaskets .
ISO 13738 is a similar, but stricter, specification. The different quality levels set requirements with regard to properties such as minimum lubrication, minimum detergency, maximum smoke and maximum deposits. A two stroke engine oil is granted the official JASO seal if it has been independently tested. The seal is a rectangle; in the upper ...
Although some oil was produced commercially before 1859 as a byproduct from salt brine wells, the American oil industry started on a major scale with the discovery of oil at the Drake Well in western Pennsylvania in 1859. The American Petroleum Institute was founded on 20 March 1919 and based in New York City. [1]
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