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Written by Don on Wednesday, 21 September 2016. Posted in Primasonics Blog

In a ‘previous life’ I was Mill Manager in a large animal feed mill in Northern Ireland before I moved to England to look after several feed mills. Of course I knew all the plant guys well and therefore I was very sad to learn that one them, Gerry, had been killed. He was inside a raw material silo swinging on a rope trying to clean it when another operative diverted fresh material into the silo and literally drowned him. Over the years I have learnt of many other such fatalities within all types of silo, for example 26 of them occurred in the US alone in 2010, and that is why we at Primasonics designed a Safe, Remote & Effective means of cleaning silos which eliminates the need for manual entry.

The Primasonics Prima Whip has been developed to tackle virtually all materials including cement, chemicals, fertilisers, foods, grain and coal. It is manufactured from non-sparking aluminium which also provides for lightweight manoeuvrability. All that is needed to power the Prima Whip is standard plant compressed air which powers the cutting head’s pneumatic motor. Access is gained through a suitable hatch on top of the silo and because of its flexible and adjustable boom can quickly clean a wide range of silo sizes and types. It comes with 50 meters of specially stretched hose as standard and used a range of different ‘whips’ such as non-sparking brass chain or plastic blades. The compressed air requirement is a pressure of 6.0 kp/cubic centimetre/85 PSI and the required volume is 2.8 cubic meters/mn or 45 CFM.

Operating the Prima Whip is easy and we provide full training.

                              Prima Whip Cutting Head                            Prima Whip in Action                               

It is nice to think that, over the years, our Prima Whips being operated in so many different applications and countries worldwide have helped to ensure 100% silo safety and prevented any totally unnecessary fatalities from occurring.



I am a truly innovative and affable Irishman who has over 35 years experience in a wide range of dry process and storage industries with particular disciplines in project engineering and consultancy.

Faced with a range of material flow and storage problems throughout my career my ambition was to find an affordable innovative and simple solution to prevent material blockages and build up and improve material flow within a wide range of dry process & storage industries.