| 摘要 |
Such a trailer control valve is provided with at least one control piston 16 assigned to a control circuit 1, an inlet valve 37, 38, an outlet valve 37, 41 and an associated double valve body 37, and has at least one rocker chamber 23 to which the modulated pressure is admitted and a brake chamber 24 connected to the brake line 10, a spring loaded double non-return valve 27 being inserted between brake chamber 24 and rocker chamber 23, which valve is arranged inside the housing 1 of the trailer control valve coaxially with respect to the axis of the control piston 16. The valve body 28 of the double non-return valve 27 is of annular design and its spring 32 is supported at the other side especially on a control piston. <IMAGE>
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