FIELD: automotive industry; centralized tyre air pressure control system and pneumatic system with air supply from fixed to rotating parts. SUBSTANCE: flexible corrugated seal is secured in zone of inner diameter between toroidal bead made on intake union and washer with outer edge bent over radius and several spherical projections made on washer. projections get into spherical sockets of seal. Inner seating part of seal is made toroidal, and seal with deformation limiter is separated by toroidal bead of intake union and flexible member, for instance, ring. EFFECT: increased reliability and service life of air supply seal. 2 dwg
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