HARDI Ltd will be launching the new LPY / LPZ sprayer boom. This new generation of HARDI boom is available in six widths from 15m to 24m and is suitable for HARDI Mega mounted, Commander trailed and Demount sprayers.

The LPY / LPZ boom is of light lattice construction and features a new pendulum single coil suspension system with shock absorbers. The coil spring acts as a cushion for the boom and, compared to the trapeze system previously used by HARDI, is far more sensitive to vibration from rough ground carrying through the tractor or sprayer axle.

An anti-yaw system is built into the centre section of the boom assembly to damp horizontal boom movements. A new dual rubber buffer damper has also been incorporated to counter more violent boom movements, such as when turning at the headland, which transfers any residual movement across to the opposite wing, which acts as a counter force.

All boom sizes fold in two sections per wing. On LPY models boom lift and folding is controlled through a single and a double acting spool valve, activated from the tractor's double acting control lever. LPZ models are controlled by HARDI's Double Activated Hydraulic (DAH) system through a double acting spool valve, which also provides individual boom wing tilt and boom slanting.

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Once opened, both wings are positively locked by an over centre locking device. The boom tip sections also feature a new design of three-way breakaway system.

When fitted to Mega mounted spray units, LPY / LPZ booms come with a new design of transport bracket, which can be adjusted at both the front and at the pivot point. This allows the transport position to be tailored to suit individual tractor cabs for easy access or the height to be lowered where access height may be restricted. Transport width is 2.80m and the distance between the booms when folded is l.95m to allow for tractors with spacious cabs.

The new LPY / LPZ boom can be fitted with HARDI Triplet or Quadrilet spray nozzles and can also be used with liquid fertiliser equipment such as dribble bars.

Prices for HARDI sprayers fitted with the new LPY / LPZ boom start at £8,920 for a Mega mounted sprayer with a 1,000 litre tank and 15m LPY booms. Trailed sprayer prices start at £15,245 for a HARDI Commander with a 2200 litre tank and 15m booms and prices for the 2000 litre Demount unit with LPZ booms are from £20,115 for a 18m unit.