The steel mark of gas cylinder is the basis of gas identification. The steel seal mark of gas cylinder includes the mark of making steel seal and the mark of inspection steel seal.
manufacture steel seal mark
When the steel seal is made into a fan shape, the items and arrangement of the steel seal mark are shown as follows:
The meaning of the mark in the figure:
1 -- code name of gas cylinder manufacturing unit;
2 -- gas cylinder number;
3 -- hydraulic test pressure (MPa);
4 -- nominal working pressure, MPa;
5 -- actual weight, kg;
6 -- actual volume, L;
7 -- bottle body design wall thickness, mm;
8 -- inspection mark and manufacturing date of the manufacturer;
9 -- supervision inspection mark;
10 -- gas cylinder marking for cold areas.