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Drop Test ISO 11117:2008
  • The protection device shall be tested to prove that under rough handling conditions, the test valve maintains its operability
  • This test shall be carried out with cap or guard at room temperature +20° C and at -20° or a lower temperature
    if specified (6.7.1)
  • The protection device together with the valve for which
    it is intended shall be fitted to a test cylinder
  • This assembly shall be dropped vertically at an angle
    of 30°, the cap or guard directed downwards.
    There shall be a distance of 1,20 mt between the lowest point of the guard or cap and the impact surface (6.7.5)
Drop Test TC/DOT:2007
  • Each cylinder with a valve must be equipped with a protective metal cap, other valve protection device
    or an overpack which is sufficient to protect the valve
    from breakage or leakage resulting from a drop of 2.0 mt./7 feet onto a non-yelding surface, such as
    concrete or steel
  • Impact must be at an orientation most likely
    to cause damage, as specified in 173.4
Transportable Gas Cylinders Valve protection Caps and Guards for the industrial and medical gas cylinders drawings, construction and tests

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ISO 11117:2008
TC/DOT:2007
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