F&D Head
Standard FD

Standard Flanged & Dished

Standard flanged and dished tank heads are used for liquid storage tanks in situations where ASME code requirements aren’t applicable. The tank heads may be formed from:

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

The inside dish radius is typically 100% of the diameter, and the inside knuckle radius is usually three times the material thickness.

Product Description

Inside Dish Radius: Typically 100% of diameter
Inside Knuckle Radius: Typically 3 X the material thickness
Typical Thin Out Allowance: 1/2” and Under – Add .03125” to the minimum. Over 1/2” – Add .0625” to the minimum

View Information Sheet