Special-Purpose Couplings for Petroleum, Chemical, and Gas Industry Services. Covers the minimum requirements for special-purpose couplings intended to transmit power. Api 671 Latest Edition Of Apa Manual. Now available for Kindle! The rules of APA Style. APA Style has been adapted by many disciplines and is used.

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This International Standard specifies the requirements for couplings for the transmission of power between the rotating shafts of two machines in special-purpose applications in the petroleum, petrochemical and natural gas industries. Such applications are typically in large and/or high speed machines, in services that can be required to operate continuously for extended periods, are often unspared and are critical to the continued operation of the installation. By agreement, it can be used for other applications or services. Couplings covered by this International Standard are designed to accommodate parallel (or lateral) offset, angular misalignment and axial displacement of the shafts without imposing unacceptable mechanical loading on the coupled machines.

It is applicable to gear, metallic flexible element, quill shaft and torsionally resilient type couplings. Torsional damping and resilient type couplings are detailed in Annex A; gear-type couplings are detailed in Annex B and quill shaft style couplings are detailed in Annex C. This International Standard covers the design, materials of construction, manufacturing quality, inspection and testing of special-purpose couplings. This International Standard does not define criteria for the selection of coupling types for specific applications.

This International Standard is not applicable to other types of couplings, such as clutch, hydraulic, eddy-current, rigid, radial spline, chain and bellows types. This edition of API Std 671 is the identical national adoption of ISO 10441, Petroleum, petrochemical and natural gas industries-Flexible couplings for mechanical power transmission-Special-purpose applications. Product Details Edition: 4th Published: ANSI: ANSI Approved Number of Pages: 56 File Size: 1 file, 1. The Roads To Sata Pdf To Excel there. 8 MB Product Code(s): C67104, C67104, C67104 Document History • • Browse related products from American Petroleum Institute • >.

The American Petroleum Institute ( API ) has set a minimum requirement for special purpose couplings in the petroleum, chemical and gas industries and this standard is called API 671. It states, a special purpose coupling is to be designed and constructed for a minimum service life of 5 years for flexible element couplings and 3 years for gear and torsionally damped and resilient couplings. The coupling is to operate continuously without interruption for this time period in an equipment train that is normally without spares and is critical to the continued operation of the installation. The standard states, couplings are designed to accommodate misalignment and axial displacement of the shafts with imposing excessive mechanical loading on the coupled equipment. Couplings covered in this standard include: gear, flexible element, quill shaft and selected types for torsional damping and torsional tuning in horizontal applications. All other couplings, including clutch, hydraulic and general purpose couplings are excluded from the scope of this standard.

API 671 standard covers, design, materials of construction, manufacturing quality, inspection and testing of special purpose couplings. The API 671 standard does not define criteria for the selection of coupling types for specific applications.