Tank Dished Heads

Storage tanks often remain in service for long periods, so the end closure needs a clean shell connection and a material suited to the contents. tank dished heads can be produced in carbon steel, stainless steel, SA516 Gr70, or SA516 Gr60. Elliptical forms are commonly pressed for regular sizes and spun when the diameter or geometry calls for a more flexible route. After forming, the rim is trimmed, the flange is corrected, and the weld edge is prepared. Surface cleaning, pickling, passivation, polishing, coating preparation, openings, and orientation marks can be included for the finished tank arrangement.

• Published area and volume figures help with lining quantities, cleaning surface, and nominal storage calculations.
• The curved profile gives the tank end a defined depth without taking the space of a hemispherical form.
• Shell fit-up, edge preparation, and opening layout can be handled before shipment.
• Large tank dished heads can be supported with transport frames planned around the final diameter and lifting direction.

Our factory is arranged into seven working areas for raw-material storage, press forming, cold and hot spinning, polishing, non-destructive testing, finished-product storage, and shipping. Four hydraulic presses rated at 315T, 500T, 1000T, and 1200T handle different tank-head diameters and plate thicknesses. Large tank ends can also be processed on the spinning lines. Heating furnaces with reflective linings and heavy-duty cranes support oversized workpieces. Finished heads pass through dimensional inspection before moving to the storage and dispatch area for packing. tank dished heads are kept under their equipment tags throughout these stages.

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