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Diversity continues for MIRA's portfolio |
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2 September 2005 |
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Dunlop Oil & Marine required climatic robustness and flexibility testing at temperatures equivalent to Siberia (-35°C). Currently the hoses used in Siberia are extremely rigid, causing difficulty for ships to connect to the oil supply installation. A specifically designed low temperature flexible hose would inevitably improve availability and accessibility from the installation to the ship.
To test for flexibility, the 800mm (31.5'') external diameter rubber hose, with 51 mm (2'') steel flanges and weighing a total in excess of 3 tonnes, required all the climatic crew to manoeuvre it into the climatic chamber to soak for 24 hours. With the use of thermocouples firmly situated on the interior and exterior of the hose, it was gradually pulled inwards from both ends with the aid of a winch and bending arms.
MIRA proved that the new flexible hoses would be satisfactory at sub-zero temperatures, which is highly important for their operating life-span. This sample hose had already been subjected to a demanding test regime at Dunlop Oil & Marine, including 5000 cycles in their own unique dynamic test rig facility and various hydrostatic pressure and vacuum tests.
After Dunlop Oil & Marine engineers specified low temperature bend test requirements, MIRA's team were quick to respond to their needs. Testing the hose for any breakage, distortions or shattering. The force to bend the hose to the required radius was measured after soaking to -35°C, -25°C and -20°C
Not only were MIRA proud to be working with such a world leading customer operating in the offshore hose supply industry, but also, participating in a challenging task proved to be rewarding, when informed that we were, "the only company who had a large scale facility available to carry out the test program to fit with the customer timeline".
MIRA's Maurice Lee commented, "We are generally thought of as a "providing engineering solutions" for the motor industry. Many of our more exotic tests are carried out over a much wider engineering spectrum. We have previously tested such diverse products including mobile phones, an aircraft canopy, motorway signs, aircraft seats and medical inhalers".
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23 September 2008
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