Seal protection of Floating Roof Tanks Floating roof tanks are used for the storage of liquid eductors and products containing hydrocarbons, originating from petroleum re?ning and/or petroleum distillation. The essential feature of this type of storage tank is the pontoon roofs which “?oat” on the stored product and hence also at a low ?lling level guarantee a storage space with the lowest gas volume. The ?oating roof tanks used in the OMV facility in Schwechat and Lobbau are about 25 m high and have a diameter of 80-100 m. Mainly products/educts such as crude oils (Schwechat) as well as light fuel oils and gasolines (Lobbau) are stored in them. All of the compounds stored correspond to classi?cation IIA according to EN 50014/Appendix A. The NKT Photonics Linear Heat Detection technology,

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