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New tray sealers help reduce packaging energy demands

10 December 2018

Proseal has carried out wide-ranging upgrades to its tray sealing machines for numerous fresh produce growers within the Berry Gardens Growers group. The aim of the upgrades was to help the company achieve enhanced energy efficiency. 

In total, Proseal installed 34 of its Eseal delivery systems and 11 ProMotion tray infeed systems to coincide with scheduled maintenance at the sites.

The main reason for the upgrades was to reduce packaging power-consumption. Featuring new electrical delivery systems, the latest machines in the sealing range use 75% less kW per hour and emit 2.52kg less C02 per hour compared to when they were fitted with their pneumatic predecessors – making them significantly more cost-effective and environmentally friendly.

Proseal’s Eseal technology also offers improved seal quality, due to a force-increase of up to 200%; increased machine productivity as a result of reduced seal time; and improved MAP processes by ensuring accurate gas flush positioning.

To implement all the upgrades before the start of the UK growing season, Proseal needed to build 34 complete E-seal modular units, before installing them at each of the sites. 

“Given the timescale and the need to keep providing a quality service to our other customers, this was a big challenge,” said Tony Burgess, head of sales and control systems at Proseal. 

In the same period, Proseal also installed its ProMotion continuous motion tray infeed system in 11 tray sealing machines across Berry Gardens companies. This upgrade is a challenging one as it requires an entire control system upgrade, all of which was done on time and with minimal disruption at the factories.

ProMotion technology has the potential to increase the speed of a tray sealer by 25%, while creating calm machine operations, which offers a smoother, more stable journey to the machine for delicate products such as soft fruits.

“We have a longstanding relationship with Proseal and have purchased many of their machines throughout our packhouses due to their second-to-none service and the fact they always ensure farms get the help they need during the busy growing season.

“With the new upgrades, the machines are not only faster and more energy efficient – they also perform better in terms of seal quality and product protection. This is yet another example of the excellent service that Proseal have always provided us with,” said David McCormack, head of packaging at Berry Gardens Group.


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