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Tank Head Specifications

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Information necessary to order heads:

  1. Quantity
  2. Type of Head
  3. Dimensional Information (O.D., I.D., Thk., S.F., etc.)
  4. Material Specifications
  5. Special Tolerances or Requirements
  6. Bevel Requirements

Abbreviations for sketches:

  • O.D. — Outside Diameter
  • I.D. — Inside Diameter
  • Thk. — Thickness (nominal or minimum)
  • O.A.H. — Overall Height
  • I.H. — Inside Height
  • S.F. — Straight Flange
  • R. — Radius
  • D.R. — Dish Radius
  • I.K.R. or I.C.R. — Inside Knuckle (or corner) Radius
  • I.D.D. — Inside Depth of Dish

Click on a thumbnail for a larger picture.



Dished Only Elliptical Flanged Only Flanged and Dished Hemispherical

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