Marine airbags can be divided into winding type and lap type
airbags, and winding type airbags are divided into high pressure
explosion-proof type and ordinary type. What is the type of
selection of Marine airbag we usually talk about? Which type of airbag is most suitable for the shipyard according to
its own conditions?
Actually lap type air bag is an old process, and compared with the
winding type of air bag is a new type of air bag production
process, relatively safe and reliable, but also the current
mainstream, so the choice should be inclined to the winding type more. Secondly, the choice of air bag depends on the material, here is
also the key, to choose nylon cord line, the use of low grade cord to do the air bag, which is easy to
lead to leakage and even the danger of explosion; And the rubber
must be pure natural rubber, so as to achieve the high pressure
resistance of the air bag.
Thirdly, appropriate ship specifications should be selected. For example, if the width of the ship is 10m,
airbags of 10m length should be selected, not 9m (too small), let
alone more than 10m (wasteful of resources and money). If there is
really no specific grasp, it is best to tell us the specifications
of the ship, we will help to design a most appropriate ship airbag;
In addition, the number of air bag layers must reach the standard,
because if the ship is too big and the number of air bag layers is
too low, it can not withstand high pressure, and there will be the
risk of explosion.
Specifications(ISO14409 Standard)
Usually the diameter and number of skeleton layers of the airbag
are provided by the customer.
Besides, we can also recommend appropriate size according to the
information provided by customers, such as ship tonnage and ship
working height, etc..
NanjingDeers ND-4 Intensive Air Bag for Ship Launching |
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