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ASME Flanged & Dished Hi-Crown large tank heads are more resistant to internal pressures than Standard ASME Code F&D heads with a comparable thickness. Hi-Crowns have an 80% dish radius and 3T (T= thickness) knuckle or 7% of the diameter, whichever is greater. A test report of elements & mechanicals is provided with full traceability.

![{ZXNCY]YZF68Y{1KLMJGISA.jpg](http://g01.s.alicdn.com/kf/HTB1EnigHXXXXXclXXXXq6xXFXXXh/201002540/HTB1EnigHXXXXXclXXXXq6xXFXXXh.jpg)
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![QQH`YJ(R75DQ6FM4_S5]]GY.jpg](http://g02.s.alicdn.com/kf/HTB1ST0nHXXXXXaQXXXXq6xXFXXXt/201002540/HTB1ST0nHXXXXXaQXXXXq6xXFXXXt.jpg)

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