| 摘要 |
According to the invention, the device for the automatic control of the operation of a pressure controller 8 essentially comprises, downstream of a pressure regulating valve 6 separating a supply line 2 of high-pressure fluid from a distribution line 4 of low-pressure fluid, and in combination, two parallel branches 17, 11 connected between this distribution line 4 and this pressure controller 8 and on which are respectively disposed an electrovalve 15 and a pressure multiplier 16 on the one hand, and a non-return valve 20 on the other hand. Application in particular to the supervision of hydraulic circuits. <IMAGE>
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