Patent ID: 8557185

Claim:
A pressure vessel arrangement comprising: an external pressure vessel ( 1 ) and at least one insert basket ( 3 ) in the pressure vessel ( 1 ) for receiving a substance to be treated which is exposable to a pressure fluid which is feedable to the pressure vessel ( 1 ) and the insert basket ( 3 ), and a control device ( 11 , 20 ) for the internal pressure prevailing in the insert basket ( 3 ), wherein the control device comprises a switchable pressure compensation line ( 11 ) connecting the interior ( 9 ) of the insert basket ( 3 ) to the surroundings ( 12 ) directly and not via the pressure vessel ( 1 ), wherein the pressure vessel ( 1 ) is provided with a vessel lid ( 4 ) and the insert basket ( 3 ) is provided with a basket lid ( 6 ), wherein the pressure compensation line ( 11 ) is passed through the vessel lid ( 4 ) and the basket lid ( 6 ) and, wherein the pressure compensation line ( 11 ) is passed through a flange ( 7 ) holding a sealing screen ( 8 ) of the basket lid ( 6 ).