Division 4.2.13.2 Procedure

The container shall be tested in the following sequence:

1. (a)

   Restrain the body of the container against rotation;

2. (b)

   Apply a torque of 2 times the valve or pressure relief device installation torque specified by the manufacturer to each end boss of the container; first in the direction to tighten the threaded connection, then in the direction to loosen, and finally again in the direction to tighten;

3. (c)

   For type-approval, the following tests shall also be conducted:

   1. (i)

      Leak test in accordance with section 4.2.11.;

   2. (ii)

      Burst test in accordance with sections 4.2.1.2. and 4.2.1.3.

For batch testing, follow the test sequence given in explanatory note (6) to Table IV.3.9.