Clad material Hemispherical heads

A sphere is the ideal shape for a head, because the pressure in the vessel is divided equally across the surface of the head. The radius (r) of the head equals the radius of the cylindrical part of the vessel.manufactures seamless ASME hemispherical tank heads of many sizes from500mm-5000mm  For high pressure projects, the advantage of a Hemisphere is that most ASME code calculations require less minimum thickness to hold high pressure than a 2:1 Elliptical head.

Hokkai has thress press machine which can form heispherical heads, the max size that we can do is 5000mm as we had the tooling

The size was hot formed by clad plates and is popular used for oil&gas industry and may be requried by ASME U&U2 stamp holder sometimes

Our company are ASME U&U2 stamp holder and can provide Dished Heads as PED/NB/GB/ASME standard

The below process are our normal way to form dished heads.  We can quote and form dished heads after you gave us the details as the below process.

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