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REVIEW NEWS


Several rudders were coated with Ecospeed in China and Latvia.


The tests were divided into six stages. Ecospeed was exposed to an increasing pressure drop, leading to a growing cavitation force. Even after the last stage no erosion was present on the test patch coated with Ecospeed. With an Ecospeed application no repaint will be needed during drydocking. Ecospeed is guaranteed for ten years. At most, minor touch- ups will be needed. Planning the maintenance of the vessel’s stern area therefore becomes much easier. The smoothness attained by the coating also provides optimum hydrodynamic conditions. This allows rudders to operate at maximum efficiency. The ship’s performance therefore remains stable and the owner’s investment is secured. Thanks to the Ecospeed application, the


fibre, marble, glass and composites. Due to the precision of the technique, little or no finishing is required. Tim Cornes, Sector Director for Exova’s


Industrials division, said the investment would reduce cutting time and allow the laboratory – which supports Exova’s materials testing and coatings business – to plan for future growth. He added: “The Salford lab previously utilised six horizontal power saws which, in 2012, equated to 9,000 hours’ cutting time. Water jet technology has the potential to reduce this by up to 80 per cent in some cases, revolutionising the service we can provide to customers and in many cases eliminating or reducing the follow-on work required.” He concluded: “This investment will add real


value to our customers and ensure our Salford facility provides industry leading turnaround times for our clients testing, keeping us at the forefront of the testing sector.”


PREVENTING CAVITATION EROSION Recently, several rudders were coated with Ecospeed in China and Latvia. In China, the rudder of a 294m container vessel was treated in Shangai, and a 125m LPG tanker had its rudder coated in Guangzhou. Around the same time Ecospeed was applied to both rudders of a 186m roro vessel in Riga, Latvia. The owners decided to use Ecospeed after


cavitation erosion damage had appeared on the rudders of their vessels. Ecospeed will prevent similar damage from occurring again. The coating provides the rudder with an


impenetrable protective layer. At the same time its toughness and flexibility enables absorption of the forces that are produced by cavitation. This prevents the damage normally caused by this phenomenon. Without proper protection against cavitation and the resulting erosion and corrosion damage, the financial consequences can be severe. Tests in a flow channel were carried out in


Grenoble. These have confirmed that Ecospeed performs extremely well under severe cavitation.


rudders of all three vessels will be safeguarded for the remainder of their service life.


REWARDING MOVE Established distributors Ecco Finishing Supplies have been rewarded for their move into the manufacturing of passive fire protection (PFP) machines with the clinching of a £500,000 distribution deal that will see their products distributed throughout the Middle East. Protecting any structural steel or substrate


from the effects of fire in hydrocarbon environments requires a specialised coating or solvent-free plural component intumescent material. Applying the material to provide a passive fire barrier is a challenge the oil and petrochemical industries in particular are well accustomed to. Specialist equipment is required to apply


a thick film or coating in excess of 20mm to provide a heat-resistant barrier to protect the steel substrate from the effects of fire. Now, after many years of distributing machines on behalf of leading manufacturers, Ecco believe they have the best machine on the market, having designed and built the ES430 FR PFP for the spray application of all major solvent-free PFP epoxies. The development has paid immediate dividends for Ecco. Oman-based Tech International, part of the giant engineering business Al Sulaimi Group, will act as sole distributor of Ecco’s high-tech passive fire protection (PFP) machines for the region’s oil and gas industries. Ecco, based in Middlesbrough’s in England’s industrial north-east, expect to ship a minimum of 12 of the machines to the region over the next six months, with manufacturing work already underway to meet orders for an initial batch of four of the custom-built systems. “The deal will be worth in excess of half a


million pounds to us this year alone, so it’s massively important to us,” said Managing Director Keith Miller. “It is the biggest contract in our history for PFP machines. We believe it’s the tip of a giant iceberg in terms of further potential overseas contracts. We’re already in advanced talks about another major export deal


54 PCE APRIL-JUNE 2013


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