Section 16 in The Static And Mobile Pressure Vessels (Unfired) Rules, 1981
16. Markings on pressure vessels .-Every vessel shall have a metal plate permanently fixed to it showing the following particulars which shall be visible from the ground level, namely:-
(i)manufacturer's name and identification marks;(ii)the standard or code to which the vessel is constructed;(iii)official stamp of the Inspector;(iv)design pressure in kg/cm2;(v)date of initial hydrostatic test and the subsequent test;(vi)hydrostatic test pressure in kg/cm2;(vii)water capacity in litres;(viii)gas capacity, if filled with liquefiable gas; and(ix)name or chemical symbol of the gas for which the vessel is to be used.
