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Dry coupling
DDC-dry couplings are used, if agressive or environmentally hazardous media under pressure is fast coupled and, on this occasion, a running out of liquids should be prevented.
They are used for the loading and unloading (top- and bottomfilling), transshipment and distribution of chemical products and mineral oil products, AdBlue and biostrength substances, to liquid gases, pharmazeuticals, colours, to food and dangerous waste materials.
Dry couplings DDC are used among other things with tanker, to poor in case, "tube railway stations" and IBC containers.
Dry couplings NATO STANAG 3756
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