Putting cost optimization first We decided to develop a trawl door with a good fluid-dynamic, usable by the various navies present on the territory because is suitable at high or low depths, with low buying price but also low management price.
The particularity of this trawl door is, in fact, the ability to mount it to port and tribord simply moving the tow bar. This operation can be performed when the rear part of the slide is consumed, avoiding the shoeing and containing the costs of maintenance.
As with any product created by Grilli sas, this trawl door was tested at sea during fishing, showing excellent characteristics of openness, ease of towing and set sail and excellent fishing performance; fuel consumption in accordance with averages and low exhaust gas temperature.

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