Dealer distributor dosing materials, especially liquid. It consists of a dosage chamber, an input valve that controls the charge and discharge of such chamber, a valve of output that closes and opens that exit orifice; actuating media for the actuation of valves. The two valves are mounted independently with possibility of movement in relation to the dosage chamber and each one is subjected to an elastic action that pushes it towards the respective closing position of the hole. The actuators act on the valve through movable control means between two extreme positions. (Machine-translation by Google Translate, not legally binding)
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