| 摘要 |
The invention relates to a multi-way seat valve with an input chamber, an output chamber and an outlet chamber leading to the atmosphere. A double seat valve consisting of an inlet valve and an outlet valve is provided via which the output chamber can alternatively be connected to the input chamber or the outlet chamber. The outlet valve is designed and arranged in such a way that the side of the outlet- valve body remote from the sealing surface of the outlet-valve body can be acted upon by the pressure from the output chamber in the closing direction of the outlet valve.
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