摘要:
Filter system for a closed hydraulic circuit intended to operate in an airless manner, comprising a filtering element contained in a bowl (2) having an upper opening (22), and a stopper (8) equipped with a purge means (14) closing this opening, characterized in that the bowl (2) has a collar (20) standing up above the stopper (8) that can contain the filtering element, or has fastening and sealing means (4) above this stopper, said fastening and sealing means (4) being intended to receive the base (24) of a removable collar of the same type, this collar, by way of its upper inlet (22), allowing the stopper to be demounted and completely withdrawn.