The device has a pumping circuit (7) that it is totally sealed except at the level of an external opening of its evacuation pipe (15). The pumping circuit is equipped with an over-pressure valve (25) that is mounted directly downstream of a liquid-ring tank (21), where the gas passing through the…

The device has a proximal end (104) connected with an interior of a tank and a distal end (106) to free air. A stopper (5) in the distal end moves between a closing and an opening position with a help of a pressure jack (23). The stopper is mounted on a moving lever (1) of which an end is driven by…

A fuel tank has a domed top with a filling aperture with a first closure and a pressure release valve. The closure further incorporates a gas pendulum valve (54) with a connector fitting to the tank interior and which is shut by a separate closure. The connector fitting or cap has a holder into…

The milk collection tank (5) is mounted on rear axles (2,3) and is provided with a front coupling (4). The tank compartment (24) comprises a vertical rear wall (25) in which there is a sealed inspection door (16). A rear secured cabin (6) gives access in a single point (7) to the door as well as to…