DNV2.7-1 or DNV2.7-3? How to choose?
What is DNV certification?
DNV (Det Norske Veritas), a Norwegian classification society, merged with Germanischer Lloyd (GL) in September 2013 to form the world's largest classification society DNV GL Group.
As a classification society, DNV GL sets standards for the offshore, maritime, energy and oil and gas industries. The purpose of these standards is to provide users, operators and engineers with requirements, principles and acceptance criteria.
Two common standards are:
DNV2.7-1 and DNV2.7-3 in common
Difference between DNV2.7-1 and DNV2.7-3
Apart from the difference in standard details, the biggest difference is that the maximum gross weight (MGW) of dnV2.7-1 certified container is less than 25,000 kgs, and the MGW of DNV2.7-3 certified container is greater than 25,000 kgs.
Although DNV2.7-1 and DNV2.7-3 standards are set by DNV Classification Society, they are also recognized by other classification societies (BV, LRs, etc), which will issue corresponding certificates according to the same standards.
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