A hot-gas, preferably in the form of an egr - valve, has a housing (12), in which a gas-carrying valve chamber (14) is formed, and in which a not gas-carrying driver space (16) is formed, with a valve stem (18), which in the housing (12) is movably supported and of which a valve member (20) is driven with a valve seat in the valve chamber (14), which cooperates with a drive mechanism (28) within the drive space (16) for driving of the valve stem (18), and with a seal (23) between the valve chamber (14) and the drive space (16), characterised in that the seal (23) at least one phenolically cross-linked sealing element (26) and at least a peroxidically crosslinked sealing element (24) comprises.
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