| 摘要 |
Consisting of two hydraulic cylinders of different diameter and section which are located in line 1, 2 joined by the articulated joints 3, in which the main cylinder 1 supplies the necessary force (moved by the mains pressure 6 via the directional valve 7, 8, 9), in order to actuate the injector cylinder 2 which acts in the manner of a syringe, aspirating the concentrated product from a reservoir 15 in order simultaneously to inject it, in metered amounts, into the forced pipe by means of the injector nozzles 13, 14. Applicable preferably to agriculture for the supply of soluble fertilizers and curative insecticidal, anticryptogamic treatments, etc., together with the pressurized irrigation water. <IMAGE>
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