UA-69298255-1 UA-69298255-2

August 6, 2017

Most blind flanges are in accordance with listed standards, such as ASME B16.5. When designing a blind flange, the rules of ASME BPVC Section VIII, Division 1, para. UG-34 apply. The procedure in ASME BPVC Section VIII includes consideration of the moment due to the fl...

August 5, 2017

Most flanges arc in accordance with listed standards, such as ASME B 16.5, and for larger flanges, ASME B 16.47. Appendix L is provided in ASME B31.3 to cover aluminum Flanges because they are not included in ASME B16.5. When a custom flange is required, design by anal...

June 29, 2017

The most common design standard for flanges is in ASME Section VIII, Appendix 3—‘‘Mandatory Rules for Bolted Flange Connections.’’ This standard applies in the design of flanges subject to hydrostatic end loads and to establish gasket seating. The maximum allowabl...

June 29, 2017

Joint Stiffness

It is important to recognize that the individual components of flanges, gaskets, nuts, and bolts operate together as a system. Gasket companies are continually fielding questions from concerned users about their ‘‘gasket’’ leakage. Gasket leakage is symp...

June 29, 2017

Flange Specification and Identification

A flange is specified by the following information:

  • Type and Facing. The flange is specified according to whether it is, for example, ‘‘weld-neck RTJ’’ or ‘‘socket-weld RF.’’ Ring joint facing and RTJ gasket dimensions for ASME...

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