Patent ID: 7575218

Claim:
A magnet valve comprising a valve body, a valve insert including a tappet guide, a tappet having a contact face, a spring guide adjacent the contact face and a dome, the tappet being guided movably in the tappet guide of the valve insert, a spiral restoring spring engaging the contact face and bracing the tappet on the valve body, one end of the restoring spring being guided radially from inside the spring by the spring guide, and centering means on the tappet centering and guiding the restoring spring from inside over a major portion of the length of the restoring spring, wherein the tappet comprises a tappet cone portion and transition region beyond the spring guide, and wherein the centering means are embodied as at least two axially extending centering ribs, originating at the spring guide of the tappet, the centering ribs lengthening the circumference of the spring guide beyond the tappet cone to inside the transition region of the tappet.