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On 6 January 2020, ThermOmegaTech conducted an environmental exposure test to determine if extremely cold air temperatures could cause the GURU Plug to nuisance dump when engine coolant water temperature is above the valve’s release set-point.
The test was performed at ThermOmegaTech’s Warminster, Pennsylvania headquarters in an on-site lab and was supervised by a qualified design engineer.
To simulate extreme cold environments like those found in Northern countries, a GURU DL 2.1 Type-T valve was installed in a Tenny Environmental Chamber® and exposed to 3mph winds at -60°F (-51.1°C) in the attempt to trigger a nuisance dump.
To simulate engine coolant, the test was conducted with 55°F (12.7°C) water flowing through the valve tee at 1GPM.
This article first appeared on www.globalrailwayreview.com
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