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API TR 6AF3

High-pressure High-temperature (HPHT) Flange Design Methodology

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Organization: API
Publication Date: 1 August 2020
Status: active
Page Count: 34
scope:

The scope of this document is to provide design guidelines for API 6BX style flanges utilized as end and outlet connectors in high-pressure, high-temperature (HPHT) surface and subsea applications. For this document, HPHT applications are intended to mean Flanges assigned a temperature rating greater than 350° F or a pressure rating greater than 15,000 psi.

The current version of this guideline does not address thermal effects including gradient effects or subsea production equipment. Service temperature ratings above 550 °F (288° C) are outside the scope of this technical report. The flange designer should address thermal effects when designing flanges rated for high temperatures.

Document History

API TR 6AF3
August 1, 2020
High-pressure High-temperature (HPHT) Flange Design Methodology
The scope of this document is to provide design guidelines for API 6BX style flanges utilized as end and outlet connectors in high-pressure, high-temperature (HPHT) surface and subsea applications....

References

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