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The Twinjet boom allows conventional spreading using a two-nozzle system. Each nozzle has a pendulum scatterer at its end, which allows for a very wide spreading width. The latter is set in oscillation thanks to the spreading pressure and an ingenious mechanical device. This configuration allows the slurry to be projected alternately in one direction and then in the other, so that these projections are not very sensitive to the wind. Since the JOSKIN booms are fully galvanised, they are optimally protected and have a longer lifetime.
The Twinjet boom is the most economical and simplest solution for quality spreading over working widths from 24 to 30 metres. It has a simple structure with a low tare weight and the lowest possible purchase cost. It is protected by hot-dip galvanisation, making it durable over time and insensitive to the circumstances of the working environment.
The slurry is first fed out of the tanker into a large-volume distribution box. This has a deflector plate which separates the slurry from any foreign bodies and then divides it into two equal proportions. The deflector plate, acting as a stone collection system, deflects the foreign bodies to a quick outlet to allow them to be discharged evenly. The slurry then leaves this box through Ø 125 mm rigid pipes and is finally conveyed in a direct line to the distribution heads. This box also has a 6" flanged straight outlet as standard which allows, for example, the fitting of an exact scatterer (optional) to fertilise areas narrower than the standard Twinjet boom spreading width.
The two distribution heads that ensure the quality work of the TwinJet are fitted with a half-moon shaped hole bar. This allows the stops to be moved, thus limiting the swivel angle of the distributor heads. They can thus limit their angle of rotation (and thus the working width) depending on the viscosity of the product to be spread. The scatterers are also fitted on a "T" with a quick-release lid, to quickly remove foreign bodies or plugs if necessary.
All spreading booms are fitted with the hydraulic folding system, which has an insignificant overhang and does not affect at all the driving of the carriage. During transport, the whole is secured by a boom clipping system that has a height adjustment device and a craddle with a shock absorbing rubber.
The Twinjet boom is available in a "fixed bolted" version for tankers without rear linkage, as well as in a “linkage” version for tankers that have one, which is often the case for agricultural contractors who have to change of spreading implements according to customer wishes. The boom is also available as an add-on for any existing JOSKIN slurry tanker or made by another manufacturer.
