1.Material Tests : Tensile Test, Yield Strength, Percentage Elongation and Impct test.
2.Pressure Cycling Test
3.Hydraulic Bursting Test
A technical specification of each new design of cylinders including design drawing, design calculations, steel details, manufacturing processes and heat treatment details, shall be submitted to the inspection authority.
The type approval tests shall be carried out on each new design under the supervision of the inspection authority.