FIELD: contact ring seal systems.
SUBSTANCE: invention relates to a gas-lubricated contact ring seal system (1), including a first contact ring seal (2) having a first rotating slip ring (21) and a first stationary slip ring (22), which are defined between the contact surfaces (21a, 22a) the first sealing gap (23), wherein the first stationary contact ring (22) has a passageway (25) for supplying the barrier fluid to the first sealing gap (23), this passageway (25) leading from the rear side (22b) to the contact surface (22a) of the first stationary the first rotating slip ring (21) has a first auxiliary seal (4) for sealing and a second auxiliary seal (5) for centering the first rotating slip ring (21).
EFFECT: invention improves the reliability of the seal and prevents the penetration of the sealed medium into the atmosphere.
10 cl, 2 dwg
