EXPANSION VALVE, PARTICULARLY FOR A COOLANT CIRCUIT WHICH IS OPERATED WITH CO2

摘要

The invention relates to an expansion valve, particularly for a coolant circuit which is operated with CO₂ as a coolant, that can be arranged between two elements (18,19) of the coolant circuit and which contains at least one sealing element (21) used to seal the point of junction (23) of the two elements (18,19) in the coolant circuit in an outward direction, wherein a housing (12) comprises a first housing section (14), and on which the sealing element (21) is provided, and comprising at least one other housing section (16) which receives a valve closing member (28) that closes a valve seat (26) with a through-opening (27).