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Auxiliary cooling control for Anchor Handling Tugs

Walton Engineering are pleased to have been selected to supply direct (self) operated valves to control the temperature of auxiliary systems on a fleet of 12 anchor handling supply tugs built in Italy between 2007 and 2010 for chartering firm Hartmann Offshore.

Although the system pipework was specified as 200mm nominal diameter, the 550m3/hr flow rate of the fresh water coolant required a 250mm bore valve to be fitted. Walton was able to supply a set of counterflanges for each valve to provide a suitable interface between the valve and pipework.

After some consideration with the customer of the relative merits of different valve body materials, the ductile (spheroidal graphite) iron option finally adopted proved to be the optimum solution.

The vessels are chartered to a variety of operators in support of the offshore industry. They have been deployed on a wide range of working applications in a number of locations including the Gulf of Mexico and Mediterranean Sea.

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