Device stopcock double control circuits hydraulic independent, comprising a block has two cameras interior paso, dresses and independent, which are separated by a central compartment that is riding an internal lever action a the going abroad connected drive lever; cameras whose flow into the outside through sendas inlets, dresses and opposite, and other parallel output many mouths; being in each camera mouth and out separated by a stopcock shutting towards the outlet, toward where is driven constantly by a spring in addition housing each chamber behind the said valve, piston lined mouth of entry and reciprocable in the axial direction, which piston protrudes into the central compartment, resting on the drive cam and extends by the opposite in a kindred abutted against the stopcock in the direction opposite the spring performance quoted. (Machine-translation by Google Translate, not legally binding)
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