Product description
These heads are not suitable for pressure vessel. And not recommemnded for tank or vessel with external loadsThe inside knuckle radius -typically 3X thicknessTypical thin out allownace-1/2' and under-add 0.03125' to the minimum thicknessOver 1/2' -add 0.0625 to the minimumParameters are given as reference only, pls contact with me for your specific inquirys