Flanged & Dished Head
14ASME FD

ASME Flanged & Dished

The tolerances for these flanged and dished tank heads comply with ASME requirements. The tank heads may be formed from:

  • Carbon steel
  • Stainless steel
  • Other ferrous and non-ferrous metals and alloys

The inside dish radius is typically 100% of the diameter, and the inside knuckle radius at least 6% of the diameter.

Description

Inside Dish Radius: Typically 100% of diameter.

Inside Knuckle Radius: At least 6% of the diameter.

Typical Thin Out Allowance:

  • 1/2″ and Under – Add 0.03125″ to the minimum
  • Over 1/2″ – Add 0.0625″ to the minimum

See ASME Section VIII, Division I, UG-32 for required thickness calculation and UG-81 for dimensional tolerances.

Heads over 288″ can be fabricated as segmented heads. Heads over 1-1/2″ on application. Parameters are given as reference only. Please contact a sales representative for specific inquiries. Other sizes and thicknesses, including light-gauge jacket heads, are available upon application.

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Additional information

Diameter

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Thickness

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